ece.cornell.edu - robtex.com

ece.cornell.edu

DNSSEC⚠️ Not signed
A75.2.65.169πŸ‡ΊπŸ‡Έ Amazon75.2.64.0/20
PTRa11472d5bbcc1c369.awsglobalaccelerator.com
A99.83.129.68πŸ‡ΊπŸ‡Έ Amazon99.83.128.0/20
NSdns.cit.cornell.edu ⭐ ⚠️ Not in parent delegation
A192.35.82.53πŸ‡ΊπŸ‡Έ CORNELL-AS192.35.82.0/24 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853
PTRdns.cit.cornell.edu
NSbigred.cit.cornell.edu ⚠️ Not in parent delegation
A128.253.180.35πŸ‡ΊπŸ‡Έ CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853
PTRbigred.cit.cornell.edu
NScudns.cit.cornell.edu ⚠️ Not in parent delegation
A132.236.56.252πŸ‡ΊπŸ‡Έ CORNELL-AS132.236.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853
PTRcudns.cit.cornell.edu
NSdrdns.cit.cornell.edu ⚠️ Not in parent delegation
A52.152.185.125πŸ‡ΊπŸ‡Έ Microsoft52.152.0.0/13 MICROSOFT
NSdrdns2.cit.cornell.edu ⚠️ Not in parent delegation
A52.45.47.12πŸ‡ΊπŸ‡Έ Amazon52.44.0.0/15 EC2 Region prefix
PTRec2-52-45-47-12.compute-1.amazonaws.com
MXece-cornell-edu.mail.protection.outlook.com ⭐
A2a01:111:f403:c902::6πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-sj0pr21cu00106.inbound.protection.outlook.com
A2a01:111:f403:c927::1πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-bn8pr05cu00301.inbound.protection.outlook.com
A2a01:111:f403:c946::4πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-ch0pr04cu00504.inbound.protection.outlook.com
A2a01:111:f403:f905::4πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-dm2pr04cu00404.inbound.protection.outlook.com
A52.101.9.5πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-mn2pr04cu00205.inbound.protection.outlook.com
A52.101.41.3πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sj2pr05cu00103.inbound.protection.outlook.com
A52.101.41.4πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sj2pr05cu00204.inbound.protection.outlook.com
A52.101.50.1πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-co1pr05cu00401.inbound.protection.outlook.com
TXTv=spf1 ip4:128.253.97.0/24 ip4:128.84.13.240/28 ip4:128.253.150.144/30 includ...
SOAdns.cit.cornell.edunsmaster@cornell.edu serial=3605111402

cornell.edu

DNSSEC⚠️ Not signed
A128.253.173.241πŸ‡ΊπŸ‡Έ CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853
A128.253.173.242πŸ‡ΊπŸ‡Έ CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853
A128.253.173.243πŸ‡ΊπŸ‡Έ CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853
A128.253.173.244πŸ‡ΊπŸ‡Έ CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853
A128.253.173.245πŸ‡ΊπŸ‡Έ CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853
A128.253.173.246πŸ‡ΊπŸ‡Έ 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 ⭐
TXT7OT7JRZVY1IKZ8J8U84AK2JX4T0J2BM42TL8LSZLV
TXTautodesk-domain-verification=9Y0MrpeHy7LiqjUs0Rpy
TXTY29ybmVsbA==
TXTgoogle-site-verification=V6u6xIMwPwKv6d55ZV4VqbkO1mjLlzyvQKkbz4usOM0
TXTNmwZsJfvHf2DUPwvPqMaLkflPi89l0leQfEkMtPmpxQNqlkPy0anm5LZM/N+sxrW+oJfdGKCyoi/q...
TXTadobe-idp-site-verification=f41c9778dd61e0b903e5daff9095300a03eb9ad4a2a7ce435...
TXTapple-domain-verification=R62yGBLwZW9fUKsm
TXTsending_domain44232=26593424e3f9a029c8413a3f66844938dd909eec6d3c1421168e0fa97...
TXTfacebook-domain-verification=kiwj4xtbf69jsywfq4nlu7a0z81doz
TXTgoogle-site-verification=CauHX8dfnPle2exSgs6k3OuJ_rPzkV1d6n6E9OFJFO8
TXTv=spf1 ip4:128.253.150.144/30 ip4:128.253.150.158 ip4:128.253.150.176 ip4:128...
TXTgoogle-site-verification=Gh3jhxuBIdlsH1dgfvJhSGS30sk0OFFvel_I9xQkI5c
SOAdns.cit.cornell.edunsmaster@cornell.edu serial=3605111402
WOT: SAFE (82/100)
rank #215 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)
πŸ“ˆ Tranco rank: #587
cornell.edu - Tranco Rank (30d: ↓-107)468480500520540560580600606Mar 29Apr 8Apr 18Apr 28May 8May 9Rank#480#587

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

Same first word

Similar names

DNS History

20 records (8 active, 12 former)

20162017201820192020202120222023202420252026NSbigred.cit.cornell.educudns.cit.cornell.edudns.cit.cornell.edudrdns.cit.cornell.edudrdns2.cit.cornell.eduMXece-cornell-edu.mail.protection.outlook.comrouter1.mail.cornell.edurouter10.mail.cornell.edurouter2.mail.cornell.edurouter3.mail.cornell.edurouter4.mail.cornell.edurouter9.mail.cornell.eduvs-prod-router01.mail.cornell.eduvs-prod-router02.mail.cornell.eduvs-prod-router03.mail.cornell.eduvs-prod-router04.mail.cornell.eduA75.2.65.16999.83.129.68128.84.202.180132.236.204.208
●NSbigred.cit.cornell.edu2015-08-17 β†’ 2026-05-11 Β· 2 obs
● 2015-08-17 08:05:06
● 2026-05-11 18:20:22
●NScudns.cit.cornell.edu2015-08-17 β†’ 2026-05-11 Β· 2 obs
● 2015-08-17 08:05:06
● 2026-05-11 18:20:22
●NSdns.cit.cornell.edu2015-08-17 β†’ 2026-05-11 Β· 2 obs
● 2015-08-17 08:05:06
● 2026-05-11 18:20:22
●NSdrdns.cit.cornell.edu2015-08-17 β†’ 2026-05-11 Β· 2 obs
● 2015-08-17 08:05:06
● 2026-05-11 18:20:22
●NSdrdns2.cit.cornell.edu2016-11-28 β†’ 2026-05-11 Β· 5 obs
β—‹ 2015-08-17 08:05:06
● 2016-11-28 02:24:00
β—‹ 2016-12-10 21:39:56
● 2017-06-14 14:18:30
● 2026-05-11 18:20:22
●MXece-cornell-edu.mail.protection.outlook.com2026-03-18 β†’ 2026-05-11 Β· 3 obs
β—‹ 2017-06-14 14:18:30
● 2026-03-18 08:50:10
● 2026-05-11 18:20:22
β—‹MXrouter1.mail.cornell.edu2015-08-17 β†’ 2016-12-10 Β· 4 obs
● 2015-08-17 08:05:06
● 2016-12-10 21:39:56
β—‹ 2017-06-14 14:18:30
β—‹ 2026-05-11 18:20:22
β—‹MXrouter10.mail.cornell.edu2015-08-17 β†’ 2016-12-10 Β· 4 obs
● 2015-08-17 08:05:06
● 2016-12-10 21:39:56
β—‹ 2017-06-14 14:18:30
β—‹ 2026-05-11 18:20:22
β—‹MXrouter2.mail.cornell.edu2015-08-17 β†’ 2016-12-10 Β· 4 obs
● 2015-08-17 08:05:06
● 2016-12-10 21:39:56
β—‹ 2017-06-14 14:18:30
β—‹ 2026-05-11 18:20:22
β—‹MXrouter3.mail.cornell.edu2015-08-17 β†’ 2016-12-10 Β· 4 obs
● 2015-08-17 08:05:06
● 2016-12-10 21:39:56
β—‹ 2017-06-14 14:18:30
β—‹ 2026-05-11 18:20:22
β—‹MXrouter4.mail.cornell.edu2015-08-17 β†’ 2016-12-10 Β· 4 obs
● 2015-08-17 08:05:06
● 2016-12-10 21:39:56
β—‹ 2017-06-14 14:18:30
β—‹ 2026-05-11 18:20:22
β—‹MXrouter9.mail.cornell.edu2015-08-17 β†’ 2016-12-10 Β· 4 obs
● 2015-08-17 08:05:06
● 2016-12-10 21:39:56
β—‹ 2017-06-14 14:18:30
β—‹ 2026-05-11 18:20:22
β—‹MXvs-prod-router01.mail.cornell.edu2017-06-14 β†’ 2017-06-14 Β· 4 obs
β—‹ 2016-12-10 21:39:56
● 2017-06-14 14:18:30
β—‹ 2026-03-18 08:50:10
β—‹ 2026-05-11 18:20:22
β—‹MXvs-prod-router02.mail.cornell.edu2017-06-14 β†’ 2017-06-14 Β· 4 obs
β—‹ 2016-12-10 21:39:56
● 2017-06-14 14:18:30
β—‹ 2026-03-18 08:50:10
β—‹ 2026-05-11 18:20:22
β—‹MXvs-prod-router03.mail.cornell.edu2017-06-14 β†’ 2017-06-14 Β· 4 obs
β—‹ 2016-12-10 21:39:56
● 2017-06-14 14:18:30
β—‹ 2026-03-18 08:50:10
β—‹ 2026-05-11 18:20:22
β—‹MXvs-prod-router04.mail.cornell.edu2017-06-14 β†’ 2017-06-14 Β· 4 obs
β—‹ 2016-12-10 21:39:56
● 2017-06-14 14:18:30
β—‹ 2026-03-18 08:50:10
β—‹ 2026-05-11 18:20:22
β—‹A128.84.202.1802016-07-25 β†’ 2017-06-14 Β· 5 obs
β—‹ 2016-05-03 17:57:54
● 2016-07-25 04:30:54
● 2017-06-14 14:18:30
β—‹ 2026-03-18 08:50:10
β—‹ 2026-05-11 18:20:22
β—‹A132.236.204.2082015-08-17 β†’ 2016-05-03 Β· 4 obs
● 2015-08-17 08:05:06
● 2016-05-03 17:57:54
β—‹ 2016-07-25 04:30:54
β—‹ 2026-05-11 18:20:22
●A75.2.65.1692026-03-18 β†’ 2026-05-11 Β· 3 obs
β—‹ 2017-06-14 14:18:30
● 2026-03-18 08:50:10
● 2026-05-11 18:20:22
●A99.83.129.682026-03-18 β†’ 2026-05-11 Β· 3 obs
β—‹ 2017-06-14 14:18:30
● 2026-03-18 08:50:10
● 2026-05-11 18:20:22

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
edua.edu-servers.net, b.edu-servers.net, c.edu-servers.net, d.edu-servers.net...-
cornell.edubigred.cit.cornell.edu, cudns.cit.cornell.edu, dns.cit.cornell.edu, drdns.cit.cornell.edu...5 records

βœ… Authoritative Response

Server:128.253.180.35

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

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cornell.edu (unsigned zone)

⏱️ Timing

Total: 314ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A275.2.65.169, 99.83.129.68
NS5bigred.cit.cornell.edu, drdns.cit.cornell.edu...
MX1ece-cornell-edu.mail.protection.outlook.
TXT1v=spf1 ip4:128.253.97.0/24 ip4:128.84.13
SOA1dns.cit.cornell.edu nsmaster.cornell.edu

πŸ“Œ Glue Records Collected

Total: 5

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

Analysis

Hierarchy

ece.cornell.edu is a parent of prodigality.ece.cornell.edu, jist.ece.cornell.edu, dhcp-132-236-68-122.ece.cornell.edu, people.ece.cornell.edu and bard.ece.cornell.edu.

IP Addresses

ece.cornell.edu points to two IP numbers: 75.2.65.169 and 99.83.129.68.

Other host names, for instance wagyusear.com, nestlenoiazomai.gr, j-berg.de, nationalmattressday.com and minami.be share IP numbers with ece.cornell.edu.

Name Servers

ece.cornell.edu is delegated to five name servers: bigred.cit.cornell.edu, cudns.cit.cornell.edu, dns.cit.cornell.edu, drdns2.cit.cornell.edu and drdns.cit.cornell.edu.

ece.cornell.edu at least partially shares name servers with other domains, for instance ad.cnf.cornell.edu, cornell.edu, nbtc.cornell.edu, qatar-weill.cornell.edu and 243.162.207.in-addr.arpa.

These name servers are commonly used with ns1.qatar-med.cornell.edu and ns2.qatar-med.cornell.edu.

Host names with a single IP number:

bigred.cit.cornell.edu points to 128.253.180.35

cudns.cit.cornell.edu points to 132.236.56.252

dns.cit.cornell.edu points to 192.35.82.53

drdns2.cit.cornell.edu points to 52.45.47.12

drdns.cit.cornell.edu points to 52.152.185.125

Mail Servers

ece.cornell.edu is handled by a single mail server, ece-cornell-edu.mail.protection.outlook.com.

ece-cornell-edu.mail.protection.outlook.com resolves to eight IP addresses: 2a01:111:f403:c902::6, 2a01:111:f403:c927::1, 2a01:111:f403:c946::4, 2a01:111:f403:f905::4, 52.101.9.5, 52.101.41.3, 52.101.41.4 and 52.101.50.1.