bird.cornell.edu - robtex.com

bird.cornell.edu

DNSSEC⚠️ Not signed
A96.43.154.16🇺🇸 AS1434096.43.144.0/20 Comcast Cable Communications, Inc.1800 Bishops Gate Blvd Mt Laurel, NJ?? 08054
PTRreply.s13.exacttarget.com
NSns1.exacttarget.com ⭐
A104.225.42.1🇺🇸 NETACTUATE104.225.42.0/24 NetActuate, Inc
PTRns01.ums-dns-salesforce.com
NSns2.exacttarget.com
A104.225.42.65🇺🇸 NETACTUATE104.225.42.0/24 NetActuate, Inc
PTRns02.ums-dns-salesforce.com
NSns3.exacttarget.com
A104.225.42.129🇺🇸 NETACTUATE104.225.42.0/24 NetActuate, Inc
PTRns03.ums-dns-salesforce.com
NSns4.exacttarget.com
A104.225.42.193🇺🇸 NETACTUATE104.225.42.0/24 NetActuate, Inc
PTRns04.ums-dns-salesforce.com
MXreply.s13.exacttarget.com ⭐
A96.43.154.16🇺🇸 AS1434096.43.144.0/20 Comcast Cable Communications, Inc.1800 Bishops Gate Blvd Mt Laurel, NJ?? 08054
PTRreply.s13.exacttarget.com
TXTv=spf1 include:cust-spf.exacttarget.com -all
SOAns1.exacttarget.comhostmaster@exacttarget.com 2026-01-12 #1

cornell.edu

DNSSEC⚠️ Not signed
A128.253.173.241🇺🇸 CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853
A128.253.173.242🇺🇸 CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853
A128.253.173.243🇺🇸 CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853
A128.253.173.244🇺🇸 CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853
A128.253.173.245🇺🇸 CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853
A128.253.173.246🇺🇸 CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853
NSdns.cit.cornell.edu ⭐
NSbigred.cit.cornell.edu
NScudns.cit.cornell.edu
NSdrdns.cit.cornell.edu
NSdrdns2.cit.cornell.edu
MXcornell-edu.mail.protection.outlook.com ⭐
TXTautodesk-domain-verification=9Y0MrpeHy7LiqjUs0Rpy
TXT7OT7JRZVY1IKZ8J8U84AK2JX4T0J2BM42TL8LSZLV
TXTfacebook-domain-verification=kiwj4xtbf69jsywfq4nlu7a0z81doz
TXTNmwZsJfvHf2DUPwvPqMaLkflPi89l0leQfEkMtPmpxQNqlkPy0anm5LZM/N+sxrW+oJfdGKCyoi/q...
TXTv=spf1 ip4:128.253.150.144/30 ip4:128.253.150.158 ip4:128.253.150.176 ip4:128...
TXTgoogle-site-verification=V6u6xIMwPwKv6d55ZV4VqbkO1mjLlzyvQKkbz4usOM0
TXTsending_domain44232=26593424e3f9a029c8413a3f66844938dd909eec6d3c1421168e0fa97...
TXTapple-domain-verification=R62yGBLwZW9fUKsm
TXTadobe-idp-site-verification=f41c9778dd61e0b903e5daff9095300a03eb9ad4a2a7ce435...
TXTgoogle-site-verification=CauHX8dfnPle2exSgs6k3OuJ_rPzkV1d6n6E9OFJFO8
TXTgoogle-site-verification=Gh3jhxuBIdlsH1dgfvJhSGS30sk0OFFvel_I9xQkI5c
SOAdns.cit.cornell.edunsmaster@cornell.edu serial=3604131102
WOT: SAFE (95/100)
rank #219 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.WOT: SAFE (95/100)
📈 Tranco rank: #573
cornell.edu - Tranco Rank (30d: ↓-187)355400450500550598Mar 1Mar 11Mar 21Mar 31Apr 10Apr 11Rank#390#577

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:

ServiceDetails
Nameserversbigred.cit.cornell.edu,cudns.cit.cornell.edu,dns.cit.cornell.edu, plus cloud-hosted DR servers on Microsoft Azure and AWS
MailMicrosoft 365 (cornell-edu.mail.protection.outlook.com)
Web HostingSix redundant IPs (128.253.173.241-246) on Cornell's own AS (CORNELL-AS)
DNSSECNot enabled (unsigned zone)

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

Subdomains

click.bird.cornell.edu
image.bird.cornell.edu

Same first word

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bird.agency
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bird.one
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bird.in.ua
bird.ie
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bird.promo
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bird.fr
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bird.cologne
bird.guide
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bird.bg
bird.jp

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ibrd.de
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brid.co.kr
irdb.ru
rdbi.com

DNS History

6 records (6 active, 0 former)

NSns1.exacttarget.comns2.exacttarget.comns3.exacttarget.comns4.exacttarget.comMXreply.s13.exacttarget.comA96.43.154.16
●NSns1.exacttarget.com2026-04-07 → 2026-04-13 · 2 obs
● 2026-04-07 22:06:18
● 2026-04-13 15:37:14
●NSns2.exacttarget.com2026-04-07 → 2026-04-13 · 2 obs
● 2026-04-07 22:06:18
● 2026-04-13 15:37:14
●NSns3.exacttarget.com2026-04-07 → 2026-04-13 · 2 obs
● 2026-04-07 22:06:18
● 2026-04-13 15:37:14
●NSns4.exacttarget.com2026-04-07 → 2026-04-13 · 2 obs
● 2026-04-07 22:06:18
● 2026-04-13 15:37:14
●MXreply.s13.exacttarget.com2026-04-07 → 2026-04-13 · 2 obs
● 2026-04-07 22:06:18
● 2026-04-13 15:37:14
●A96.43.154.162026-04-07 → 2026-04-13 · 2 obs
● 2026-04-07 22:06:18
● 2026-04-13 15:37:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
eduf.edu-servers.net, e.edu-servers.net, m.edu-servers.net, g.edu-servers.net...-
cornell.edubigred.cit.cornell.edu, cudns.cit.cornell.edu, dns.cit.cornell.edu, drdns.cit.cornell.edu...5 records
bird.cornell.eduns4.exacttarget.com, ns3.exacttarget.com, ns1.exacttarget.com, ns2.exacttarget.com-

✅ Authoritative Response

Server:104.225.42.193

NS records: ns4.exacttarget.com, ns3.exacttarget.com, ns1.exacttarget.com, ns2.exacttarget.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cornell.edu (unsigned zone)

⏱️ Timing

Total: 442ms | Queries: -

📄 Records

TypeCountSample Data
A196.43.154.16
NS4ns1.exacttarget.com, ns2.exacttarget.com...
MX1reply.s13.exacttarget.com (pri: 10)
TXT1v=spf1 include:cust-spf.exacttarget.com
SOA1ns1.exacttarget.com hostmaster.exacttarg

📌 Glue Records Collected

Total: 5

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

Analysis

Hierarchy

bird.cornell.edu is a parent of click.bird.cornell.edu and image.bird.cornell.edu.

IP Addresses

bird.cornell.edu points to IP number: 96.43.154.16.

Other host names such as plannernow.com, email-pepsico.es, e.align-pilates.com, mail.lifestylestores.com and ucbpowernews.com.br share IPs with bird.cornell.edu.

Name Servers

bird.cornell.edu is delegated to four name servers: ns1.exacttarget.com, ns2.exacttarget.com, ns3.exacttarget.com and ns4.exacttarget.com.

bird.cornell.edu at least partially shares name servers with other domains, for instance mail.oprimorico.com.br, enews.ita-airways.com, connect.affinityfcu.com, calcasmail.com and e.zizzi.dk.

Host names with one IP number:

ns1.exacttarget.com points to 104.225.42.1.

ns2.exacttarget.com points to 104.225.42.65.

ns3.exacttarget.com points to 104.225.42.129.

ns4.exacttarget.com points to 104.225.42.193.

Mail Servers

bird.cornell.edu is handled by a single mail server, reply.s13.exacttarget.com.

The mail server setup for bird.cornell.edu matches that of other domains, for instance communications.kaleido.ca, yogaglows.com, hello.altusgroup.com, discover.withbanyan.com and m.onlocationexp.com.

bird.cornell.edu shares at least partially some mail servers with other domains, including paulocuenca.com.br, quickjack.com, mail.eftours.ca, talex.co.jp and autostacker.com.

these mail servers are often used with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

reply.s13.exacttarget.com points to a single IP: 96.43.154.16.