koscaj.com ▶ 대한전문건설신문

Koscaj.com | Key Trends

Online Status

Offline

Server IP address resolved: No
Http response code: None
Last Checked: 08/01/2026

Koscaj.com attracts 2,939 unique visitors daily, generating 4,409 pageviews. The estimated value of koscaj.com is 78,110 USD. Each visitor views approximately 1.61 pages on average.

According to Majestic's traffic estimates, koscaj.com ranks 17,767 globally, with the majority of its visitors coming from Korea, where it holds the 4,358 position.

It is beneficial for koscaj.com that their data center (provided by NAVER BUSINESS PLATFORM ASIA PACIFIC PTE. LTD) is located in Korea, as this helps reduce page load time for most visitors.

See the list of other websites hosted by NAVER BUSINESS PLATFORM ASIA PACIFIC PTE. LTD.

Koscaj.com is registered with the .COM top-level domain. Explore additional websites within the .COM zone.

A recent examination on (August 18, 2024), indicates that koscaj.com has an expired SSL certificate issued by Let's Encrypt (expired on November 14, 2024). Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by Let's Encrypt.

According to Google Safe Browsing, Google Safe Search and Symantec koscaj.com appears to be a safe domain.

Based on Google's Mobile-Friendly test, koscaj.com is optimized for mobile and tablet devices, although the web page loading speed could be improved.

Koscaj.com | General Site Information

Global Rank

166,548

Average Load Time

0.00sec

Links In Count

Website Value

$73,000

Audience Geography. Where are koscaj.com visitors located?

Country	Visitors
Korea KR	100%

Country	Pageviews
Korea KR	100%

Country	Rank
Korea KR	4358

Where do visitors go on koscaj.com?

Subdomain	Pageviews
koscaj.com	100%

Subdomain	Pageviews per User
koscaj.com	1

Subdomain	Reach
koscaj.com	100%

How popular is koscaj.com?

Period	Global Rank	Global Rank Delta
past 3 months	166548	-239654
past month	184150	21895
past week	127607	-14040

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	258397	-393801	18	200%	1.5	30%
30	342864	65209	12	-19.17%	1	-19.35%
7	249646	-22161	2	10%	1	0%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	144002	-185770	42	200%
30	139384	6563	44	0.2%
7	97171	-10341	7	10%

Koscaj.com | Safety and Security Details

Overview

Last Updated: 08/01/2026

Overall result - koscaj.com is safe.

We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.

Norton Connect Safe

Last Updated: 02/04/2026

koscaj.com is safe.

Norton ConnectSafe evaluates koscaj.com for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 01/18/2017

koscaj.com is safe.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing

Last Updated: 01/09/2019

koscaj.com is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.

Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

Site Advisor

Last Updated: 12/29/2020

koscaj.com is safe.

McAfee assesses koscaj.com for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze koscaj.com for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 08/01/2026

koscaj.com child safety is unknown.

The WOT calculates reputation of the koscaj.com. This reputation system receives ratings from users and information from third-party sources, assesses the koscaj.com for safety features and confirms, whether koscaj.com is suitable for children.

Koscaj.com | SSL Certificate Information

SSL Checker Tool

Domain	koscaj.com
Issuer Organization	Let's Encrypt
Issuer	R10
Algorithm	RSA-SHA256
Valid form	08/16/2024
Expiration	11/14/2024
Signed	Certificate is not self signed
Additional Domains	cdn.koscaj.com cms.koscaj.com koscaj.com m.koscaj.com slv.koscaj.com www.koscaj.com

Koscaj.com | Server and Hosting Details

Server Location

Geolocation Tool

Koscaj.com ASN Information

ASN Lookup Tool

ASN ID: 135354
ASN Title: NAVER BUSINESS PLATFORM ASIA PACIFIC PTE. LTD.

Last Update: 05/06/2026

ASN Whois

% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS134557 - AS135580'

as-block: AS134557 - AS135580
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2014-09-03T01:31:50Z
source: APNIC

role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
fax-no: +61 7 3858 3199
e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC

% Information related to 'AS135354'

% Abuse contact for 'AS135354' is 'gnoc@navercorp.com'

aut-num: AS135354
as-name: NBPAP-AS-AP
descr: NAVER BUSINESS PLATFORM ASIA PACIFIC PTE. LTD.
country: SG
org: ORG-NBPA1-AP
admin-c: NBPA1-AP
tech-c: NBPA1-AP
mnt-by: MAINT-NBPAP-SG
mnt-irt: IRT-NBPAP-SG
mnt-routes: MAINT-NBPAP-SG
last-modified: 2017-10-16T00:23:17Z
source: APNIC

irt: IRT-NBPAP-SG
address: JTC Summit 8 Jurong Town Hall Road #24-05, Singapore 609434, Singapore Singapore 609434
e-mail: gnoc@navercorp.com
abuse-mailbox: gnoc@navercorp.com
admin-c: NBPA1-AP
tech-c: NBPA1-AP
auth: # Filtered
mnt-by: MAINT-NBPAP-SG
last-modified: 2016-04-15T02:34:48Z
source: APNIC

organisation: ORG-NBPA1-AP
org-name: NAVER BUSINESS PLATFORM ASIA PACIFIC PTE. LTD.
country: SG
address: JTC Summit 8 Jurong Town Hall Road # 24-05
address: Singapore 609434
phone: +65-6818-0847
e-mail: gnoc@navercorp.com
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2017-10-11T01:29:41Z
source: APNIC

role: NAVER BUSINESS PLATFORM ASIA PACIFIC PTE LTD adm
address: JTC Summit 8 Jurong Town Hall Road #24-05, Singapore 609434, Singapore Singapore 609434
country: SG
phone: +65-6818-0847
fax-no: +65-6818-0847
e-mail: gnoc@navercorp.com
admin-c: NBPA1-AP
tech-c: NBPA1-AP
nic-hdl: NBPA1-AP
mnt-by: MAINT-NBPAP-SG
last-modified: 2016-04-15T02:34:46Z
source: APNIC

% Information related to 'AS134557 - AS135580'

as-block: AS134557 - AS135580
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2014-09-03T01:31:50Z
source: APNIC

role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
fax-no: +61 7 3858 3199
e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: IDNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US4)

Koscaj.com | Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

Domain Name: KOSCAJ.COM
Registry Domain ID: 1576214256_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.whois.co.kr
Registrar URL: http://www.whois.co.kr
Updated Date: 2021-10-28T02:17:09Z
Creation Date: 2009-11-19T01:34:35Z
Registry Expiry Date: 2024-11-19T01:34:35Z
Registrar: Whois Corp.
Registrar IANA ID: 100
Registrar Abuse Contact Email: abuse@whois.co.kr
Registrar Abuse Contact Phone: +82.15884259
Domain Status: ok https://icann.org/epp#ok
Name Server: NS1.NDSOFTDNS.COM
Name Server: NS2.NDSOFTDNS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2022-05-28T23:28:04Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
koscaj.com	115.85.179.41	300
koscaj.com	118.67.141.92	300

Host	MX Record	Priority	TTL
koscaj.com	mx.openmail.paran.com	5	300

Host	NS Record	TTL
koscaj.com	ns1-2.ns-ncloud.com	86400
koscaj.com	ns1-1.ns-ncloud.com	86400

Host	TXT Record	TTL
koscaj.com	v=spf1 ip4:211.41.82.61 ip4:211.41.82.62 ip4:211.41.82.63 ip4:211.41.82.64 ~all	300

ns1-1.ns-ncloud.com
TTL: 300
Email address: ns1-2.ns-ncloud.com
Serial: 2
Refresh: 21600
Retry: 1800
Expire: 1209600
Minimum: 300

Koscaj.com | HTML Validation Report

HTML Validation Tool

Errors

Malformed byte sequence: “b0”.

Malformed byte sequence: “b3”.

Malformed byte sequence: “bb”.

Malformed byte sequence: “ea”, “be”.

Malformed byte sequence: “f7”.

Malformed byte sequence: “c0”.

Malformed byte sequence: “fc”.

Malformed byte sequence: “b9”.

Malformed byte sequence: “ae”.

Malformed byte sequence: “c1”.

Malformed byte sequence: “a3”.

Malformed byte sequence: “bd”.

Malformed byte sequence: “b7”.

Malformed byte sequence: “ba”.

Malformed byte sequence: “bf”.

Malformed byte sequence: “c7”.

Malformed byte sequence: “f0”.

Malformed byte sequence: “d4”.

Malformed byte sequence: “c2”.

Malformed byte sequence: “fb”.

Malformed byte sequence: “a4”.

Malformed byte sequence: “b8”.

Malformed byte sequence: “b1”.

Malformed byte sequence: “e5”.

Malformed byte sequence: “b4”.

Malformed byte sequence: “eb”.

Malformed byte sequence: “d1”.

Internal encoding declaration “euc-kr” disagrees with the actual encoding of the document (“utf-8”).

A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.

Malformed byte sequence: “f6”.

Malformed byte sequence: “e7”, “bd”.

Malformed byte sequence: “c3”.

Malformed byte sequence: “a1”.

Malformed byte sequence: “f1”, “b0”.

Malformed byte sequence: “dc”.

Malformed byte sequence: “e2”.

Malformed byte sequence: “c5”.

Malformed byte sequence: “bc”.

Malformed byte sequence: “f0”, “b9”.

Malformed byte sequence: “d9”.

Malformed byte sequence: “cf”.

Malformed byte sequence: “b6”.

Malformed byte sequence: “c6”.

Malformed byte sequence: “f9”.

Malformed byte sequence: “f1”, “be”.

Malformed byte sequence: “c8”.

Malformed byte sequence: “be”.

Malformed byte sequence: “d6”.

Malformed byte sequence: “ee”.

Malformed byte sequence: “ce”.

Malformed byte sequence: “d2”.

Malformed byte sequence: “e2”, “bb”.

Malformed byte sequence: “e4”.

Malformed byte sequence: “e5”, “b9”.

Malformed byte sequence: “a6”.

Malformed byte sequence: “e9”, “bb”.

Malformed byte sequence: “e7”.

Malformed byte sequence: “cc”.

Malformed byte sequence: “ad”.

Malformed byte sequence: “a9”.

Malformed byte sequence: “b5”.

Malformed byte sequence: “ec”.

Malformed byte sequence: “f0”, “b4”.

Malformed byte sequence: “cd”.

Malformed byte sequence: “e2”, “b1”.

Malformed byte sequence: “a7”.

Malformed byte sequence: “af”.

Malformed byte sequence: “e7”, “bf”.

Malformed byte sequence: “eb”, “b5”.

Malformed byte sequence: “ee”, “be”.

Malformed byte sequence: “df”.

Malformed byte sequence: “ea”, “b8”.

Malformed byte sequence: “f3”.

Malformed byte sequence: “f8”.

Malformed byte sequence: “db”.

The “width” attribute on the “table” element is obsolete. Use CSS instead.

The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.

The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.

The “border” attribute on the “table” element is obsolete. Use CSS instead.

Malformed byte sequence: “ed”, “bf”, “b5”.

Malformed byte sequence: “aa”.

Malformed byte sequence: “ed”.

Malformed byte sequence: “dd”.

Malformed byte sequence: “e7”, “b0”.

Malformed byte sequence: “e8”, “b3”.

Malformed byte sequence: “ca”.

Malformed byte sequence: “d5”.

Bad value “” for attribute “name” on element “input”: Must not be empty.

Duplicate ID “Default_Warp”.

Malformed byte sequence: “e2”, “bc”.

Malformed byte sequence: “fa”.

Malformed byte sequence: “e6”.

Malformed byte sequence: “c4”.

Malformed byte sequence: “e8”, “b4”.

Malformed byte sequence: “ed”, “b4”.

Malformed byte sequence: “f3”, “b8”.

Malformed byte sequence: “f5”.

Malformed byte sequence: “e1”, “b1”.

Malformed byte sequence: “f1”.

Malformed byte sequence: “e7”, “bb”.

Malformed byte sequence: “f3”, “bd”.

Malformed byte sequence: “ab”.

Malformed byte sequence: “fd”.

Malformed byte sequence: “d7”.

Malformed byte sequence: “ea”.

Malformed byte sequence: “eb”, “b7”.

Malformed byte sequence: “ac”.

Malformed byte sequence: “e8”.

Malformed byte sequence: “e9”, “b4”.

Malformed byte sequence: “e3”.

Malformed byte sequence: “de”.

Malformed byte sequence: “d8”.

Malformed byte sequence: “e0”.

Malformed byte sequence: “ef”.

Malformed byte sequence: “da”.

Malformed byte sequence: “ea”, “bd”.

Malformed byte sequence: “e7”, “bc”.

Malformed byte sequence: “ee”, “a2”.

Malformed byte sequence: “e1”.

Malformed byte sequence: “e2”, “ba”.

Malformed byte sequence: “ed”, “a1”, “b1”.

Warnings

The “language” attribute on the “script” element is obsolete. You can safely omit it.

Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

The first occurrence of ID “Default_Warp” was here.

NON-DOCUMENT-ERROR

Too many messages.

Koscaj.com | Desktop Performance Insights

Last tested: 11/21/2019

Desktop

Desktop Speed

49%

Optimize images

Leverage browser caching

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Prioritize visible content

Minify JavaScript

Minify HTML

Minify CSS

Desktop Resource Breakdown

Total Resources	144
Number of Hosts	8
Static Resources	91
JavaScript Resources	28
CSS Resources	16

Koscaj.com | Mobile Performance Insights

Last tested: 11/23/2019

Mobile

Mobile Usability

97%

Size tap targets appropriately

Mobile Speed

49%

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Leverage browser caching

Optimize images

Prioritize visible content

Minify JavaScript

Minify CSS

Mobile Resource Breakdown

Total Resources	79
Number of Hosts	8
Static Resources	48
JavaScript Resources	15
CSS Resources	17

Koscaj.com | Common Typographical Errors

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Koscaj.com 대한전문건설신문

건설산업 전문 주간신문,실시간 건설관련뉴스,오피니언,입찰정보,전문 광장

Koscaj.com | Key Trends

Koscaj.com | General Site Information

Koscaj.com | Safety and Security Details

Koscaj.com | Server and Hosting Details

Koscaj.com | Domain Name Information

Koscaj.com | HTML Validation Report

Koscaj.com | Desktop Performance Insights

Koscaj.com | Mobile Performance Insights

Koscaj.com | Competitors Analysis

Koscaj.com | Common Typographical Errors