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Online Status
Offline

Server IP address resolved: No
Http response code: None
Last Checked: 03/12/2025

51blocks.com attracts 524 unique visitors daily, generating 1,573 pageviews. The estimated value of 51blocks.com is 18,746 USD. Each visitor views approximately 3.21 pages on average.

According to Majestic's traffic estimates, 51blocks.com ranks 38,473 globally, with the majority of its visitors coming from United States, where it holds the 121,006 position.

It is beneficial for 51blocks.com that their data center (provided by AUTOMATTIC - Automattic, Inc, US) is located in United States, as this helps reduce page load time for most visitors.

See the list of other websites hosted by AUTOMATTIC - Automattic, Inc, US.

51blocks.com is registered with the .COM top-level domain. Explore additional websites within the .COM zone.

A recent examination on (August 21, 2024), indicates that 51blocks.com has an expired SSL certificate issued by Let's Encrypt (expired on October 08, 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 51blocks.com appears to be a safe domain.

Based on Google's Mobile-Friendly test, 51blocks.com is optimized for mobile and tablet devices, although the web page loading speed could be improved.

Global Rank
452,914
Average Load Time
1.40sec
Links In Count
69
Website Value
$17,520
Overview
Last Updated: 03/12/2025
Overall result - 51blocks.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: 02/20/2025
51blocks.com is safe.
Norton ConnectSafe evaluates 51blocks.com for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 09/07/2017
51blocks.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
51blocks.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: 03/04/2021
51blocks.com is safe.
McAfee assesses 51blocks.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 51blocks.com for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 03/12/2025
51blocks.com child safety is unknown.
The WOT calculates reputation of the 51blocks.com. This reputation system receives ratings from users and information from third-party sources, assesses the 51blocks.com for safety features and confirms, whether 51blocks.com is suitable for children.

51blocks.com | SSL Certificate Information
Domaintls.automattic.com
Issuer OrganizationLet's Encrypt
IssuerE5
Algorithmecdsa-with-SHA384
Valid form07/10/2024
Expiration10/08/2024
SignedCertificate is not self signed
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www.croshady.com
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www.davedownunder.blog
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www.freearcadehall.movie.blog
www.georgiagriffithsuaog.health.blog
www.getmedaily.fashion.blog
www.giljordom.music.blog
www.gwenfranklin.blog
www.hike-trek.com
www.instagramtakipcivideo.movie.blog
www.iphone15.code.blog
www.kigenn.code.blog
www.koreanculture.blog
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www.madeincalcuttafilmsblog.music.blog
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Server Location

51blocks.com ASN Information

ASN ID: 2635
ASN Title: AUTOMATTIC - Automattic, Inc, US

Last Update: 12/26/2024

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 2635
ASName: AUTOMATTIC
ASHandle: AS2635
RegDate: 2012-10-01
Updated: 2012-10-01
Ref: https://rdap.arin.net/registry/autnum/2635

OrgName: Automattic, Inc
OrgId: AUTOM-93
Address: 60 29th Street #343
City: San Francisco
StateProv: CA
PostalCode: 94110
Country: US
RegDate: 2011-10-05
Updated: 2018-06-04
Ref: https://rdap.arin.net/registry/entity/AUTOM-93

OrgNOCHandle: NOC12276-ARIN
OrgNOCName: NOC
OrgNOCPhone: +1-877-273-8550
OrgNOCEmail: ipadmin@automattic.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC12276-ARIN

OrgTechHandle: NOC12276-ARIN
OrgTechName: NOC
OrgTechPhone: +1-877-273-8550
OrgTechEmail: ipadmin@automattic.com
OrgTechRef: https://rdap.arin.net/registry/entity/NOC12276-ARIN

OrgAbuseHandle: ABUSE3970-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-877-273-8550
OrgAbuseEmail: abuse@automattic.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE3970-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

WHOIS

Domain Name: 51BLOCKS.COM
Registry Domain ID: 1562244606_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.google.com
Registrar URL: http://domains.google.com
Updated Date: 2020-09-30T21:54:26Z
Creation Date: 2009-07-13T19:09:58Z
Registry Expiry Date: 2024-07-13T19:09:58Z
Registrar: Google LLC
Registrar IANA ID: 895
Registrar Abuse Contact Email: registrar-abuse@google.com
Registrar Abuse Contact Phone: +1.8772376466
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS-CLOUD-C1.GOOGLEDOMAINS.COM
Name Server: NS-CLOUD-C2.GOOGLEDOMAINS.COM
Name Server: NS-CLOUD-C3.GOOGLEDOMAINS.COM
Name Server: NS-CLOUD-C4.GOOGLEDOMAINS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2022-06-09T22:24:36Z


DNS Records
HostA RecordTTL
51blocks.com149.28.251.12614400
HostMX RecordPriorityTTL
51blocks.comaspmx.l.google.com13600
51blocks.comalt1.aspmx.l.google.com53600
51blocks.comalt2.aspmx.l.google.com53600
51blocks.comalt3.aspmx.l.google.com103600
51blocks.comalt4.aspmx.l.google.com103600
HostNS RecordTTL
51blocks.comns-cloud-c1.googledomains.com21600
51blocks.comns-cloud-c2.googledomains.com21600
51blocks.comns-cloud-c3.googledomains.com21600
51blocks.comns-cloud-c4.googledomains.com21600
HostTXT RecordTTL
51blocks.comv=spf1 a mx include:_spf.google.com include:send.helpmonks.com ~all3600

ns-cloud-c1.googledomains.com
TTL: 21600
Email address: cloud-dns-hostmaster.google.com
Serial: 69
Refresh: 21600
Retry: 3600
Expire: 259200
Minimum: 300


Errors

Last tested: 09/18/2015

Desktop
Desktop Speed
79%

Desktop Resource Breakdown
Total Resources28
Number of Hosts3
Static Resources21
JavaScript Resources7
CSS Resources2

Last tested: 06/28/2019

Mobile
Mobile Usability
99%
Mobile Speed
58%

Mobile Resource Breakdown
Total Resources106
Number of Hosts28
Static Resources60
JavaScript Resources34
CSS Resources7
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