`library.cornell.edu`

	CNAME	`live-main-cul.pantheonsite.io`
	CNAME	`fe3.edge.pantheon.io`
	DNSSEC	⚠️ Not signed
	A	2620:12a:8000::3^{🇺🇸 Fastly2620:12a:8000::/44 Pantheon}
	A	2620:12a:8001::3^{🇺🇸 Fastly2620:12a:8000::/44 Pantheon}
	A	23.185.0.3^{🇺🇸 Fastly23.185.0.0/24 Pantheon}

`cornell.edu`

	DNSSEC	⚠️ Not signed
	A	128.253.173.241^{🇺🇸 CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853}
	A	128.253.173.242^{🇺🇸 CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853}
	A	128.253.173.243^{🇺🇸 CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853}
	A	128.253.173.244^{🇺🇸 CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853}
	A	128.253.173.245^{🇺🇸 CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853}
	A	128.253.173.246^{🇺🇸 CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853}
	NS	`dns.cit.cornell.edu` ⭐
	NS	`bigred.cit.cornell.edu`
	NS	`cudns.cit.cornell.edu`
	NS	`drdns.cit.cornell.edu`
	NS	`drdns2.cit.cornell.edu`
	MX	`cornell-edu.mail.protection.outlook.com` ⭐
	TXT	`v=spf1 ip4:128.253.150.144/30 ip4:128.253.150.158 ip4:128.253.150.176 ip4:128...`
	TXT	`google-site-verification=V6u6xIMwPwKv6d55ZV4VqbkO1mjLlzyvQKkbz4usOM0`
	TXT	`Y29ybmVsbA==`
	TXT	`apple-domain-verification=R62yGBLwZW9fUKsm`
	TXT	`7OT7JRZVY1IKZ8J8U84AK2JX4T0J2BM42TL8LSZLV`
	TXT	`autodesk-domain-verification=9Y0MrpeHy7LiqjUs0Rpy`
	TXT	`google-site-verification=CauHX8dfnPle2exSgs6k3OuJ_rPzkV1d6n6E9OFJFO8`
	TXT	`google-site-verification=Gh3jhxuBIdlsH1dgfvJhSGS30sk0OFFvel_I9xQkI5c`
	TXT	`facebook-domain-verification=kiwj4xtbf69jsywfq4nlu7a0z81doz`
	TXT	`sending_domain44232=26593424e3f9a029c8413a3f66844938dd909eec6d3c1421168e0fa97...`
	TXT	`NmwZsJfvHf2DUPwvPqMaLkflPi89l0leQfEkMtPmpxQNqlkPy0anm5LZM/N+sxrW+oJfdGKCyoi/q...`
	TXT	`adobe-idp-site-verification=f41c9778dd61e0b903e5daff9095300a03eb9ad4a2a7ce435...`
	SOA	`dns.cit.cornell.edu`nsmaster@cornell.edu serial=3605142202

WOT: SAFE (93/100)
rank #216 globally
rank #5 in the tld
This domain name is associated with Cornell University, an Ivy League research university located in Ithaca, New York. The ".edu" extension signifies that the domain is used for educational institutions, specifically colleges and universities. The Cornell.edu domain is used for the university's website, where one can find information about their programs, research, faculty, and more.Semrush Rank:#214 Keywords:3,858,314 Traffic:12,245,925/mo
WOT: SAFE (95/100)
📈 Tranco rank: #586

Cornell University

Cornell University is a private Ivy League research university founded in 1865 by Ezra Cornell and Andrew (0x4469636b)son White. Guided by its founding vision that "any person can find instruction in any study," Cornell has grown into one of the world's leading academic institutions. The university is headquartered in Ithaca, New York, with an additional campus in New York City (Cornell Tech on Roosevelt Island).

Academic Profile

Classification: Private Ivy League research university and New York's land-grant institution
Student Body: Approximately 25,000+ students across all campuses
Colleges: Multiple schools including Engineering (recently renamed David A. Duffield College of Engineering), Arts & Sciences, Agriculture, Business, Law, and Medicine
Research Focus: Environmental sustainability, agricultural advancement, AI in healthcare, and maritime technology

DNS Infrastructure

Cornell operates its own authoritative DNS infrastructure under the Cornell Information Technologies (CIT) department:

Service	Details
Nameservers	`bigred.cit.cornell.edu`,`cudns.cit.cornell.edu`,`dns.cit.cornell.edu`, plus cloud-hosted DR servers on Microsoft Azure and AWS
Mail	Microsoft 365 (`cornell-edu.mail.protection.outlook.com`)
Web Hosting	Six redundant IPs (128.253.173.241-246) on Cornell's own AS (CORNELL-AS)
DNSSEC	Not enabled (unsigned zone)

The university maintains over 100 subdomains serving various departments, research centers, and administrative functions.

Subdomains

lib-rmc-refdesk.library.cornell.edu

ebooks.library.cornell.edu

lib-law-kic-25.library.cornell.edu

lib-afr-circ.library.cornell.edu

johnson.library.cornell.edu

lib-pac-mgtbb1.library.cornell.edu

guides.library.cornell.edu

digital.library.cornell.edu

metadata.library.cornell.edu

urbanplanning.library.cornell.edu

aspace3-test.library.cornell.edu

lib-pac-olin09.library.cornell.edu

music.library.cornell.edu

catalog.library.cornell.edu

ezproxy.library.cornell.edu

mgtsensource.library.cornell.edu

copia.library.cornell.edu

lib-afr-circ24.library.cornell.edu

chla.library.cornell.edu

lib-pac-mannbb2.library.cornell.edu

archives.library.cornell.edu

lib-9106.library.cornell.edu

dynkincollection.library.cornell.edu

catherwood.library.cornell.edu

hearth.library.cornell.edu

dlxs.library.cornell.edu

arxiv-export-lb.library.cornell.edu

lib-pac-rmc2.library.cornell.edu

lib-pac-manns02.library.cornell.edu

lib-asia-wason1.library.cornell.edu

lib-9066.library.cornell.edu

lib-pac-manng01.library.cornell.edu

lib-law-circ2.library.cornell.edu

proxy.library.cornell.edu

campusgw.library.cornell.edu

asia.library.cornell.edu

cdl.library.cornell.edu

cidc.library.cornell.edu

www.library.cornell.edu

alumni.library.cornell.edu

usda.library.cornell.edu

mann.library.cornell.edu

lib-comm-2-24.library.cornell.edu

Same first word

library.com

library.te.ua

library.bio

library.toda.saitama.jp

library.chat

library.zama.kanagawa.jp

library.ichihara.chiba.jp

library.cv.ua

library.tama.tokyo.jp

library.akiruno.tokyo.jp

library.ie

library.musashimurayama.tokyo.jp

library.kharkov.ua

library.s3-eu-west-1.amazonaws.com

library.vladimir.ru

library.kherson.ua

library.lviv.ua

library.cc

library.co.kr

library.life

library.koganei.tokyo.jp

library.dev

library.ne.jp

library.ac

library.support

library.toyama.toyama.jp

library.ee

library.org.tw

library.kiyose.tokyo.jp

library.org.nz

library.jp

library.tf

library.se

library.school

library.ws

library.style

library.restaurant

library.kg

library.bible

library.toshima.tokyo.jp

library.akishima.tokyo.jp

library.com.au

library.go.kr

library.koryo.nara.jp

library.mn

library.md

library.tachikawa.tokyo.jp

library.domains

library.de

library.kazo.saitama.jp

library.takatsuki.osaka.jp

library.yachiyo.chiba.jp

library.pet

library.imabari.ehime.jp

library.foundation

library.fm

library.kr.ua

library.wine

library.sano.tochigi.jp

library.ir

library.pictures

library.yokoshibahikari.chiba.jp

library.kz

library.fujimino.saitama.jp

library.su

library.musashino.tokyo.jp

library.com.tw

library.ome.tokyo.jp

library.gov.bt

library.donetsk.ua

library.sh

library.world

library.izumi.osaka.jp

library.komaki.aichi.jp

library.okazaki.aichi.jp

library.fyi

library.yachimata.chiba.jp

library.mitaka.tokyo.jp

library.dp.ua

library.gov.mo

library.vn

library.lg.ua

library.mizumaki.fukuoka.jp

library.inagi.tokyo.jp

library.cern

library.us

library.sumida.tokyo.jp

library.gov.au

library.net

library.gov.ua

library.dk

library.ru

library.ks.ua

library.org.il

library.org

library.gg

library.hb.cn

library.pe.ca

library.rs

library.la

Similar names

DNS History

3 records (1 active, 2 former)

○A132.236.27.1682015-08-14 → 2026-02-17 · 4 obs

● 2015-08-14 06:43:48
● 2026-02-17 05:44:52
○ 2026-02-18 19:23:08
○ 2026-05-15 02:50:20

●CNAMElive-main-cul.pantheonsite.io2026-02-15 → 2026-05-15 · 3 obs

○ 2016-11-22 01:29:38
● 2026-02-15 15:18:06
● 2026-05-15 02:50:20

○CNAMEvictoria03.library.cornell.edu2015-08-14 → 2016-11-22 · 4 obs

● 2015-08-14 06:43:48
● 2016-11-22 01:29:38
○ 2026-02-15 15:18:06
○ 2026-05-15 02:50:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	g.edu-servers.net, l.edu-servers.net, i.edu-servers.net, j.edu-servers.net...	-
cornell.edu	bigred.cit.cornell.edu, cudns.cit.cornell.edu, dns.cit.cornell.edu, drdns.cit.cornell.edu...	5 records

✅ Authoritative Response

Server:52.152.185.125

NS records: bigred.cit.cornell.edu, cudns.cit.cornell.edu, dns.cit.cornell.edu, drdns.cit.cornell.edu, drdns2.cit.cornell.edu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cornell.edu (unsigned zone)

⏱️ Timing

Total: 567ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`live-main-cul.pantheonsite.io`

📌 Glue Records Collected

Total: 5

In-bailiwick: 5 (bigred.cit.cornell.edu, cudns.cit.cornell.edu, dns.cit.cornell.edu...)

Analysis

Hierarchy

library.cornell.edu is the parent of lib-rmc-refdesk.library.cornell.edu, ebooks.library.cornell.edu, lib-law-kic-25.library.cornell.edu, lib-afr-circ.library.cornell.edu, johnson.library.cornell.edu and a few other host names.

IP Addresses

library.cornell.edu points to three IPs: 2620:12a:8000::3, 2620:12a:8001::3 and 23.185.0.3.

other host names including www.enfoquealafamilia.com, ycmd.yale.edu, richmondsymphony.com, povertylaw.org and s26.wyethnutrition.com.tw share IP numbers with library.cornell.edu.

library.cornell.edu - robtex.com