math-28.math.nd.edu - robtex.com

math-28.math.nd.edu

DNSSEC⚠️ Not signed
A129.74.222.77🇺🇸 ASN-UND129.74.0.0/16 University of Notre Dame
PTRmath-28.math.nd.edu

math.nd.edu

DNSSEC⚠️ Not signed
A54.85.105.29🇺🇸 Amazon54.84.0.0/15 EC2 IAD prefix
NSns1.nd.edu ⭐ ⚠️ Not in parent delegation
NSns2.nd.edu ⚠️ Not in parent delegation
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(50)
MXalt2.aspmx.l.google.com(50)
MXalt3.aspmx.l.google.com(100)
MXalt4.aspmx.l.google.com(100)
SOAns1.nd.edudns@nd.edu serial=846
WOT: SAFE (64/100)
WOT: SAFE (78/100)

PTR for

77.222.74.129.in-addr.arpa

DNS History

1 record (1 active, 0 former)

197019751980198519901995200020052010201520202025A129.74.222.77
●A129.74.222.771970-01-01 → 2026-05-03 · 2 obs
● 1970-01-01 00:00:00
● 2026-05-03 08:47:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
edua.edu-servers.net, b.edu-servers.net, c.edu-servers.net, d.edu-servers.net...-
nd.eduns2.nd.edu, ns1.nd.edu2 records

✅ Authoritative Response

Server:129.74.250.50

NS records: ns2.nd.edu, ns1.nd.edu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nd.edu (unsigned zone)

⏱️ Timing

Total: 117ms | Queries: -

📄 Records

TypeCountSample Data
A1129.74.222.77

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns2.nd.edu, ns1.nd.edu)

Analysis

IP Addresses

math-28.math.nd.edu resolves to one IP number: 129.74.222.77.