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Libretexts.org Summary


Libretexts.org was created 8 years ago. Receives approximately 22,682,910 unique visitors per month. Server is located in United States, IP address 185.199.109.153.

Website Info


Creation date 2016-07-22
Expiration date 2022-07-22
Registrar Google LLC
Name servers
  1. ns1.digitalocean.com
  2. ns2.digitalocean.com
  3. ns3.digitalocean.com
IP address 185.199.109.153
Server located United States, San Francisco
Host name 185.199.109.153

Alexa Traffic Ranks


Global Rank 3,870
Delta (90 Days) -2,358
Most Popular In Country United States
Country Rank 1,673

Whois info


Domain Name: libretexts.org
Registry Domain ID: D189426086-LROR
Registrar WHOIS Server: whois.google.com
Registrar URL: https://domains.google.com
Updated Date: 2020-10-23T00:21:25Z
Creation Date: 2016-07-22T22:17:14Z
Registrar Registration Expiration Date: 2022-07-22T22:17:14Z
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://www.icann.org/epp#clientTransferProhibited
Registry Registrant ID: go24864238720
Registrant Name: Contact Privacy Inc. Customer 1248025259
Registrant Organization: Contact Privacy Inc. Customer 1248025259
Registrant Street: 96 Mowat Ave
Registrant City: Toronto
Registrant State/Province: ON
Registrant Postal Code: M4K 3K1
Registrant Country: CA
Registrant Phone: +1.4165385487
Registrant Phone Ext: Registrant Fax:
Registrant Fax Ext: Registrant Email: tltkwrok1gaq@contactprivacy.email
Registry Admin ID: go24864238720
Admin Name: Contact Privacy Inc. Customer 1248025259
Admin Organization: Contact Privacy Inc. Customer 1248025259
Admin Street: 96 Mowat Ave
Admin City: Toronto
Admin State/Province: ON
Admin Postal Code: M4K 3K1
Admin Country: CA
Admin Phone: +1.4165385487
Admin Phone Ext: Admin Fax:
Admin Fax Ext: Admin Email: tltkwrok1gaq@contactprivacy.email
Registry Tech ID: go24864238720
Tech Name: Contact Privacy Inc. Customer 1248025259
Tech Organization: Contact Privacy Inc. Customer 1248025259
Tech Street: 96 Mowat Ave
Tech City: Toronto
Tech State/Province: ON
Tech Postal Code: M4K 3K1
Tech Country: CA
Tech Phone: +1.4165385487
Tech Phone Ext: Tech Fax:
Tech Fax Ext: Tech Email: tltkwrok1gaq@contactprivacy.email
Name Server: NS1.DIGITALOCEAN.COM
Name Server: NS2.DIGITALOCEAN.COM
Name Server: NS3.DIGITALOCEAN.COM
DNSSEC: unsigned
URL of the ICANN WHOIS Data Problem Reporting System: http://wdprs.internic.net/

DNS Records


Host Type TTL Data
libretexts.org A 7199 ip: 185.199.109.153
libretexts.org A 7199 ip: 185.199.110.153
libretexts.org A 7199 ip: 185.199.108.153
libretexts.org A 7199 ip: 185.199.111.153
libretexts.org CAA 3128 flags: 0
tag: issue
value: letsencrypt.org
libretexts.org CAA 3128 flags: 0
tag: issue
value: digicert.com
libretexts.org CAA 3128 flags: 0
tag: iodef
value: mailto:hagnew@libretexts.org
libretexts.org CAA 3128 flags: 0
tag: issue
value: amazon.com
libretexts.org MX 34100 pri: 5
target: alt1.aspmx.l.google.com
libretexts.org MX 34100 pri: 10
target: alt4.aspmx.l.google.com
libretexts.org MX 34100 pri: 10
target: alt3.aspmx.l.google.com
libretexts.org MX 34100 pri: 1
target: aspmx.l.google.com
libretexts.org MX 34100 pri: 5
target: alt2.aspmx.l.google.com
libretexts.org NS 2306 target: ns3.digitalocean.com
libretexts.org NS 2306 target: ns1.digitalocean.com
libretexts.org NS 2306 target: ns2.digitalocean.com
libretexts.org SOA 1800 mname: ns1.digitalocean.com
rname: hostmaster.libretexts.org
serial: 1605333718
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 1800
libretexts.org TXT 86400 txt: google-site-verification=WJj7yRntxOUiLoMDLmw2GuIKx6gKRGvLqjoVp_aLUQ0
libretexts.org TXT 600 txt: google-site-verification=ej-DagC8sD_MaouJikcyiz-sulM4oKdtg95K_XZJLjc
libretexts.org TXT 3600 txt: v=spf1 include:_spf.google.com ~all

HTTP Headers


Connection: keep-alive
Server: GitHub.com
Content-Type: text/html; charset=utf-8
Last-Modified: Tue, 03 Nov 2020 23:36:27 GMT
ETag: W/"5fa1e97b-7881"
Access-Control-Allow-Origin: *
Expires: Tue, 17 Nov 2020 01:33:19 GMT
Cache-Control: max-age=600
X-Proxy-Cache: MISS
X-GitHub-Request-Id: B5A4:07EE:431EE0:51B656:5FB32607
Accept-Ranges: bytes
Date: Tue, 17 Nov 2020 01:35:28 GMT
Via: 1.1 varnish
Age: 0
X-Served-By: cache-ewr18168-EWR
X-Cache: MISS
X-Cache-Hits: 0
X-Timer: S1605576929.603159,VS0,VE14
Vary: Accept-Encoding
X-Fastly-Request-ID: 67b386beb27729a8b44e5ed730a0a01ab1da9f21
x-encoded-content-encoding: gzip
x-encoded-content-length: 7196

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