class.yale.edu - robtex.com

class.yale.edu

DNSSEC⚠️ Not signed
NSpks1302-102.net.yale.edu ⭐ ⚠️ Not in parent delegation
A128.36.72.27🇺🇸 YALE-MAIN-AS128.36.0.0/16 Yale University
PTRpks1302-102.net.yale.edu
NSns2.bluecatdns.com ⚠️ Not in parent delegation
A2400:cb00:2049:1::c629:dfb1🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A198.41.223.177Cloudflare198.41.223.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcf-198-41-223-177.cloudflare.com
NSns2.bluecatdns.net ⚠️ Not in parent delegation
A2400:cb00:2049:1::c629:dea4🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A198.41.222.164Cloudflare198.41.222.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcf-198-41-222-164.cloudflare.com
NSns2.bluecatdns.org ⚠️ Not in parent delegation
A2400:cb00:2049:1::a29f:8dc🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.8.220Cloudflare162.159.8.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSpks1302-103.net.yale.edu ⚠️ Not in parent delegation
A128.36.72.29🇺🇸 YALE-MAIN-AS128.36.0.0/16 Yale University
PTRpks1302-103.net.yale.edu
SOApks1302-102.net.yale.eduhostmaster@net.yale.edu serial=6427(0x37313735)4

yale.edu

DNSSEC⚠️ Not signed
A2a04:4e42::645🇺🇸 Fastly2a04:4e42::/48
A2a04:4e42:200::645🇺🇸 Fastly2a04:4e42:200::/48
A2a04:4e42:400::645🇺🇸 Fastly2a04:4e42:400::/48
A2a04:4e42:600::645🇺🇸 Fastly2a04:4e42:600::/48
A151.101.2.133🇺🇸 Fastly151.101.0.0/22
A151.101.66.133🇺🇸 Fastly151.101.64.0/22
A151.101.130.133🇺🇸 Fastly151.101.128.0/22
NSpks1302-102.net.yale.edu ⭐
NSns1.bluecatdns.com ⚠️ Not in parent delegation
NSns1.bluecatdns.net ⚠️ Not in parent delegation
NSns1.bluecatdns.org ⚠️ Not in parent delegation
NSpks1302-103.net.yale.edu
MXyale-edu.mail.protection.outlook.com ⭐
TXTe2ma-verification=ea8fb
TXTcisco-ci-domain-verification=43cd3c1de76d9fe0ae0f1db0accb59d4c14ba22243d55d57...
TXTsecuriti-verification-id=1PLTDJjwuV47eAeftOls50oWNhf3B/eQIB37SneSuOg=
TXTKVATau69gzhqUOgCyXmfd9cSFFIarSmLDzRIuuICLnF8FgBUcmhtEuWIfd8/R4wkQJh9vIfvF0GJ/...
TXTgoogle-site-verification=bCh0qosscWOo9bk7i8mSUwbO7xo1L0zhM466fQLYVys
TXTatlassian-domain-verification=d6trxstBXPKZ-Fn96brt+2GuIbtk29HYhBAdLyXwH1GGOd5...
TXTgoogle-site-verification=wAcIxfMZtLARxIU3MA82C9ywf-MODgjwuP2JdcSvs3E
TXTe2ma-verification=pyngb
TXTairtable-verification=5faa4d445f2f11d5a2e0d2dff8c4d287
TXTfacebook-domain-verification=4b2v2cdl4pnhet6qnrtzuof73xy5ic
TXTMS=ms71696546
TXTatlassian-domain-verification=DNorkJRvlGwYJqdqujeAPnnxXpxnzTnJ20Gyfs5rn8imo6N...
TXTe2ma-verification=e39ab
TXTe2ma-verification=vqzeb
TXT_w450pwsqqfrqqw4n7yodv1euryd9akn
TXTiContact1458769
TXTbrevo-code:09357c2630559d902817770f34dbf0b1
TXTairtable-verification=2115523430cd3176e428cebd0c4f6def
TXTbrevo-code:068fa97f1793f7c7bc3b7c779b77f568
TXTatlassian-domain-verification=dMzGvQ6scQb/L03OUQRXV586QJ9lo0steL1LuP46eDG2IF4...
TXTdocusign=e8f08e07-8b40-4ae4-a8cf-7ce972d4b382
TXTcanva-site-verification=OnZfRkq6vky-DOdzFtAQhg
TXTbrevo-code:d66805a3df437fba6bf7d701b26c2ea6
TXTgoogle-site-verification=wLNdYe7PcFN1GTfpDeWAT-aPFTWpa_fMn7ZWDw07cuc
TXTairtable-verification=dfa71ce641ca4600db5fec1a57c53ef2
TXTe2ma-verification=cnz
TXTdropbox-domain-verification=y270qicvbi7s
TXTe2ma-verification=tmfcb
TXTairtable-verification=bd629e6fdd78d25b886c3131d32f2522
TXTd365mktkey=qXRmZD4AqCPHhxJWI7EnhD5InEkYOsYQ6eidVZHnCyAx
TXTamazonses:9Ya8iDYeN700mkvk/yE/JXHlH/zQjYAA6+XyWlnms+E=
TXTjamf-site-verification=nh8ZcTKHzvgKfIp0TgFLfg
TXTd365mktkey=Nf1xniLZCW9LJtMAKbxJ4QluH18K7RKSYYw5ndrkxlox
TXTv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
TXTmdt-site-verification=e6096cdb-e3ce-4195-9cc1-5e53bb029cea
TXTmindmanager-verification=28df50a8f81c11d34096b520343366ad0de6335be17e48baa8ee...
TXTgoogle-site-verification=fUwYVutFF-kUCTqnDZg7s4lWZSUTOO2k2zHogw_1qYw
TXTdocusign=a560f5e1-1b15-42e8-9630-f9f375c0d326
TXTms-domain-verification=7d4e961a-dc9b-4b56-b436-d3082895899c
TXTpardot406332=4ac3a1788076ae6f053d313b811664e8c5d2c54dbb5be4d14d6cfffa8cb0b987
TXTe2ma-verification=n69ab
TXTairtable-verification=f429cd2a132a767ba9e2d08c506a8f2c
TXTwrike-verification=NjQ3NTM0Mjo3MDZiYTQyYmViN2Q4ZDUzYzA2YjUwZmEzNDFjOTBjOTJjZm...
TXTadobe-idp-site-verification=8bd714ff-27d9-412f-a336-011607c5921d
TXTsending_domain1108142=0d97d094e155ad3aa47f7970aed92373b498a7340b0f8c714c4c4f2...
TXTDynatrace-site-verification=72c19553-ec2d-4e4f-950c-466938a345c6__gfjfnfbkfm1...
TXTmailerlite-domain-verification=cdb1198ee33a716cf5d8be0e1234faede0c55a26
TXTF6G3WBWAQ519BOLKY7UQHUB1B25UH7CTZOUT3Z9GC
SOApks1302-102.net.yale.eduhostmaster@net.yale.edu serial=787602250
WOT: SAFE (94/100)
rank #329 globally
rank #11 in the tld
This domain name "yale.edu" is associated with Yale University, a prestigious private Ivy League research university in New Haven, Connecticut. The ".edu" indicates that the domain is related to an educational institution, specifically reserved for schools, colleges, and universities. The "yale" part of the domain name is derived from the name of the university itself.WOT: SAFE (94/100)
📈 Tranco rank: #1,153

Same first word

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DNS History

9 records (5 active, 4 former)

200920112013201520172019202120232025NSns2.bluecatdns.comns2.bluecatdns.netns2.bluecatdns.orgpks1302-102.net.yale.edupks1302-103.net.yale.eduserv1.net.yale.eduserv2.net.yale.eduserv3.net.yale.eduserv4.net.yale.edu
●NSns2.bluecatdns.com2026-03-17 → 2026-04-24 · 3 obs
○ 2019-07-27 21:13:44
● 2026-03-17 23:56:24
● 2026-04-24 12:07:34
●NSns2.bluecatdns.net2026-03-17 → 2026-04-24 · 3 obs
○ 2019-07-27 21:13:44
● 2026-03-17 23:56:24
● 2026-04-24 12:07:34
●NSns2.bluecatdns.org2026-03-17 → 2026-04-24 · 3 obs
○ 2019-07-27 21:13:44
● 2026-03-17 23:56:24
● 2026-04-24 12:07:34
●NSpks1302-102.net.yale.edu2019-04-02 → 2026-04-24 · 3 obs
○ 2019-01-31 18:22:10
● 2019-04-02 00:50:30
● 2026-04-24 12:07:34
●NSpks1302-103.net.yale.edu2019-04-02 → 2026-04-24 · 3 obs
○ 2019-01-31 18:22:10
● 2019-04-02 00:50:30
● 2026-04-24 12:07:34
○NSserv1.net.yale.edu2015-08-03 → 2019-07-14 · 7 obs
○ 2008-03-07 09:28:12
● 2015-08-03 11:01:34
● 2019-01-31 18:22:10
○ 2019-04-02 00:50:30
● 2019-07-14 23:01:14
○ 2019-07-27 21:13:44
○ 2026-04-24 12:07:34
○NSserv2.net.yale.edu2015-08-03 → 2019-07-14 · 5 obs
○ 2008-03-07 09:28:12
● 2015-08-03 11:01:34
● 2019-07-14 23:01:14
○ 2019-07-27 21:13:44
○ 2026-04-24 12:07:34
○NSserv3.net.yale.edu2015-08-03 → 2019-07-14 · 5 obs
○ 2008-03-07 09:28:12
● 2015-08-03 11:01:34
● 2019-07-14 23:01:14
○ 2019-07-27 21:13:44
○ 2026-04-24 12:07:34
○NSserv4.net.yale.edu2015-08-03 → 2016-03-20 · 5 obs
○ 2008-03-07 09:28:12
● 2015-08-03 11:01:34
● 2016-03-20 03:46:54
○ 2019-01-12 18:57:44
○ 2026-04-24 12:07:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
edub.edu-servers.net, m.edu-servers.net, h.edu-servers.net, e.edu-servers.net...-
yale.edupks1302-102.net.yale.edu, pks1302-103.net.yale.edu, ns1.bluecatdns.net, ns1.bluecatdns.com...2 records

✅ Authoritative Response

Server:128.36.72.27

NS records: pks1302-102.net.yale.edu, pks1302-103.net.yale.edu, ns1.bluecatdns.net, ns1.bluecatdns.com, ns1.bluecatdns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yale.edu (unsigned zone)

⏱️ Timing

Total: 363ms | Queries: -

📄 Records

TypeCountSample Data
NS5ns2.bluecatdns.org, ns2.bluecatdns.net...
SOA1pks1302-102.net.yale.edu hostmaster.net.

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (pks1302-102.net.yale.edu, pks1302-103.net.yale.edu)

Analysis

Name Servers

class.yale.edu is delegated to five name servers: ns2.bluecatdns.com, ns2.bluecatdns.net, ns2.bluecatdns.org, pks1302-102.net.yale.edu and pks1302-103.net.yale.edu.

class.yale.edu at least partially shares name servers with other domains, for instance arthistory.yale.edu, yaledrama.net, e.intellirisk.com, drama.yale.edu and virtual.yale.edu.

These name servers are commonly used with ns1.bluecatdns.com, ns.cgi.com, ns.cgi.ca, ns1.bluecatdns.net, ns1.bluecatdns.org, ns3.bluecatdns.com, ns3.bluecatdns.net, ns3.bluecatdns.org and dominios2.bancolombia.com.co.

Hosts with two IP numbers:

ns2.bluecatdns.com points to 2400:cb00:2049:1::c629:dfb1 and 198.41.223.177.

ns2.bluecatdns.net points to 2400:cb00:2049:1::c629:dea4 and 198.41.222.164.

ns2.bluecatdns.org points to 2400:cb00:2049:1::a29f:8dc and 162.159.8.220.

Hosts with one IP number:

pks1302-102.net.yale.edu points to 128.36.72.27.

pks1302-103.net.yale.edu points to 128.36.72.29.