Teachersfirst.com TeachersFirst: The web resource by teachers, for teachers

TeachersFirst is Thinking Teachers, Teaching Thinkers. TeachersFirst offers a rich collection of lessons, units, and educator-reviewed web resources d...

Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 1.26 sec.
Last Checked: 02/02/2025

Teachersfirst.com attracts 1,664 unique visitors daily, generating 3,161 pageviews. The estimated value of teachersfirst.com is 56,239 USD. Each visitor views approximately 2.03 pages on average.

According to Majestic's traffic estimates, teachersfirst.com ranks 37,959 globally, with the majority of its visitors coming from United States, where it holds the 76,362 position.

It is beneficial for teachersfirst.com that their data center (provided by PAIR-NETWORKS - pair Networks, US) is located in United States, as this helps reduce page load time for most visitors.

See the list of other websites hosted by PAIR-NETWORKS - pair Networks, US.

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

A recent examination on (August 12, 2022), indicates that teachersfirst.com has an expired wildcard SSL certificate issued by Sectigo Limited (expired on October 08, 2022). Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by Sectigo Limited.

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust teachersfirst.com appears to be a safe domain.

Based on Google's Mobile-Friendly test, teachersfirst.com is optimized for mobile and tablet devices.

Global Rank
230,472
Average Load Time
1.41sec
Links In Count
1,108
Website Value
$52,560
Overview
Last Updated: 02/02/2025
Overall result - teachersfirst.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: 03/24/2024
teachersfirst.com is safe.
Norton ConnectSafe evaluates teachersfirst.com for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 11/02/2016
teachersfirst.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
teachersfirst.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: 02/24/2021
teachersfirst.com is safe.
McAfee assesses teachersfirst.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 teachersfirst.com for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 01/10/2019
teachersfirst.com child safety is very good.
The WOT calculates reputation of the teachersfirst.com. This reputation system receives ratings from users and information from third-party sources, assesses the teachersfirst.com for safety features and confirms, whether teachersfirst.com is suitable for children.

Teachersfirst.com | SSL Certificate Information
Domain*.teachersfirst.com
Issuer OrganizationSectigo Limited
IssuerSectigo RSA Domain Validation Secure Server CA
AlgorithmRSA-SHA256
Valid form09/07/2021
Expiration10/08/2022
SignedCertificate is not self signed
Additional Domains *.teachersfirst.com
teachersfirst.com
Server Location

Teachersfirst.com ASN Information

ASN ID: 7859
ASN Title: PAIR-NETWORKS - pair Networks, US

Last Update: 07/20/2024

#
# 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: 7859
ASName: PAIR-NETWORKS
ASHandle: AS7859
RegDate: 1997-01-30
Updated: 2017-12-08
Ref: https://rdap.arin.net/registry/autnum/7859

OrgName: pair Networks
OrgId: PAIR
Address: 2403 Sidney St
Address: Suite 210
City: Pittsburgh
StateProv: PA
PostalCode: 15203
Country: US
RegDate: 1997-01-30
Updated: 2018-01-02
Comment: Please submit abuse reports to abuse@pair.com.
Ref: https://rdap.arin.net/registry/entity/PAIR

OrgAbuseHandle: ABUSE848-ARIN
OrgAbuseName: Abuse Handling
OrgAbusePhone: +1-412-381-7247
OrgAbuseEmail: abuse@pair.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE848-ARIN

OrgTechHandle: RIFFL1-ARIN
OrgTechName: Riffle, Matt
OrgTechPhone: +1-412-381-7224
OrgTechEmail: matt@pair.com
OrgTechRef: https://rdap.arin.net/registry/entity/RIFFL1-ARIN

OrgTechHandle: KM383-ARIN
OrgTechName: Martin, Kevin J.
OrgTechPhone: +1-412-381-7247
OrgTechEmail: sigma@smx.pair.com
OrgTechRef: https://rdap.arin.net/registry/entity/KM383-ARIN

RTechHandle: KM383-ARIN
RTechName: Martin, Kevin J.
RTechPhone: +1-412-381-7247
RTechEmail: sigma@smx.pair.com
RTechRef: https://rdap.arin.net/registry/entity/KM383-ARIN

RTechHandle: RIFFL1-ARIN
RTechName: Riffle, Matt
RTechPhone: +1-412-381-7224
RTechEmail: matt@pair.com
RTechRef: https://rdap.arin.net/registry/entity/RIFFL1-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: TEACHERSFIRST.COM
Registry Domain ID: 2259030_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://networksolutions.com
Updated Date: 2024-02-26T14:29:03Z
Creation Date: 1998-02-27T05:00:00Z
Registry Expiry Date: 2029-02-26T05:00:00Z
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: domain.operations@web.com
Registrar Abuse Contact Phone: +1.8777228662
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS1.NCISYSTEMS.COM
Name Server: NS2.NCISYSTEMS.COM
Name Server: NS3.NCISYSTEMS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-26T01:44:34Z


DNS Records
HostA RecordTTL
teachersfirst.com66.39.72.229600
HostMX RecordPriorityTTL
teachersfirst.commail.teachersfirst.com10600
HostNS RecordTTL
teachersfirst.comns3.p11.dynect.net86400
teachersfirst.comns4.p11.dynect.net86400
teachersfirst.comns2.p11.dynect.net86400
teachersfirst.comns1.p11.dynect.net86400
HostTXT RecordTTL
teachersfirst.comgoogle-site-verification=Jv49BJrb4pwMmI3fYB4NE3CRK_NZjMO_4eYH3hZhhxA600

ns1.p11.dynect.net
TTL: 3600
Email address: dns.ncisystems.com
Serial: 2016062200
Refresh: 3600
Retry: 600
Expire: 604800
Minimum: 60


Errors
Warnings

Last tested: 12/04/2018

Desktop
Desktop Speed
77%

Desktop Resource Breakdown
Total Resources125
Number of Hosts48
Static Resources28
JavaScript Resources24
CSS Resources5

Last tested: 12/04/2018

Mobile
Mobile Usability
91%
Mobile Speed
62%

Mobile Resource Breakdown
Total Resources102
Number of Hosts39
Static Resources27
JavaScript Resources21
CSS Resources5
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