smtp.vtdev.vt.edu - robtex.com

smtp.vtdev.vt.edu

DNSSEC⚠️ Not signed
A128.173.196.115🇺🇸 VA-TECH-AS128.173.0.0/16 Virginia Polytechnic Institute and State Univ.
PTRsmtp.vtdev.vt.edu
MXsmtp.vtdev.vt.edu ⭐
A128.173.196.115🇺🇸 VA-TECH-AS128.173.0.0/16 Virginia Polytechnic Institute and State Univ.
PTRsmtp.vtdev.vt.edu

vtdev.vt.edu

DNSSEC⚠️ Not signed
MXsmtp.vtdev.vt.edu ⭐
WOT: SAFE (70/100)
WOT: SAFE (91/100)

PTR for

115.196.173.128.in-addr.arpa

MX for

vtdev.vt.edu
smtp.vtdev.vt.edu

Previously MX for

adv.vt.edu

Same first word

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DNS History

2 records (2 active, 0 former)

201820192020202120222023202420252026MXsmtp.vtdev.vt.eduA128.173.196.115
●MXsmtp.vtdev.vt.edu2017-04-04 → 2026-05-03 · 5 obs
● 2017-04-04 13:27:36
● 2026-03-27 00:05:08
○ 2026-03-30 19:16:14
● 2026-03-31 18:59:34
● 2026-05-03 22:18:40
●A128.173.196.1152017-04-04 → 2026-05-03 · 5 obs
● 2017-04-04 13:27:36
● 2026-03-27 00:05:08
○ 2026-03-30 19:16:14
● 2026-03-31 18:59:34
● 2026-05-03 22:18:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
educ.edu-servers.net, a.edu-servers.net, g.edu-servers.net, e.edu-servers.net...-
vt.eduauth1.dns.cogentco.com, auth2.dns.cogentco.com, nomen.cns.vt.edu, clature.cns.vt.edu4 records

✅ Authoritative Response

Server:198.82.247.101

NS records: auth1.dns.cogentco.com, auth2.dns.cogentco.com, nomen.cns.vt.edu, clature.cns.vt.edu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for vt.edu (unsigned zone)

⏱️ Timing

Total: 108ms | Queries: -

📄 Records

TypeCountSample Data
A1128.173.196.115
MX1smtp.vtdev.vt.edu (pri: 0)

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (nomen.cns.vt.edu, nomen.cns.vt.edu, clature.cns.vt.edu...)

Analysis

Mail Server Role

smtp.vtdev.vt.edu serves as a mail server for vtdev.vt.edu and smtp.vtdev.vt.edu.

IP Addresses

smtp.vtdev.vt.edu resolves to one IP number: 128.173.196.115.

Mail Servers

smtp.vtdev.vt.edu is served by a single mail server, smtp.vtdev.vt.edu.

smtp.vtdev.vt.edu shares the same mail server setup as other domains, for instance vtdev.vt.edu.

smtp.vtdev.vt.edu resolves to IP 128.173.196.115.