`adminapp.mail.cornell.edu`

DNSSEC	⚠️ Not signed
A	128.253.150.177^{🇺🇸 CORNELL-AS128.253.0.0/16 Cornell University Network Engineering Rhodes Hall, 757 136 Hoy Road Ithaca, NY 14853}
		PTR	`appmail.mail.cornell.edu`

`mail.cornell.edu`

	DNSSEC	⚠️ Not signed
	MX	`mail-cornell-edu.mail.protection.outlook.com` ⭐
	TXT	`v=spf1 include:spf.protection.outlook.com -all`

WOT: SAFE (91/100)
WOT: SAFE (61/100)

Same first word

adminapp.com

Similar names

appadmin.org

appadmin.it

appmandi.com

appadmin.de

appadmin.se

appadmin.co

appadmin.no

appadmin.eu

appadmin.net

DNS History

1 record (1 active, 0 former)

●A128.253.150.1772026-03-17 → 2026-05-13 · 2 obs

● 2026-03-17 17:47:42
● 2026-05-13 18:11:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	d.edu-servers.net, b.edu-servers.net, f.edu-servers.net, h.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: 81ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`128.253.150.177`

📌 Glue Records Collected

Total: 5

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

Analysis

IP Addresses

adminapp.mail.cornell.edu resolves to a single IP address: 128.253.150.177.

Other host names such as appmail.mail.cornell.edu, lb-appsmtp.mail.cornell.edu and appsmtp.mail.cornell.edu share IP numbers with adminapp.mail.cornell.edu.

adminapp.mail.cornell.edu - robtex.com