math-20.math.nd.edu - robtex.com
math-20.math.nd.edu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 129.74.222.69🇺🇸 ASN-UND129.74.0.0/16 University of Notre Dame | ||||||
| PTR | math-20.math.nd.edu | ||||||
math.nd.edu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 54.85.105.29🇺🇸 Amazon54.84.0.0/15 EC2 IAD prefix | ||||||
| NS | ns1.nd.edu ⭐ ⚠️ Not in parent delegation | ||||||
| NS | ns2.nd.edu ⚠️ Not in parent delegation | ||||||
| MX | aspmx.l.google.com ⭐ | ||||||
| MX | alt1.aspmx.l.google.com(50) | ||||||
| MX | alt2.aspmx.l.google.com(50) | ||||||
| MX | alt3.aspmx.l.google.com(100) | ||||||
| MX | alt4.aspmx.l.google.com(100) | ||||||
| SOA | ns1.nd.edudns@nd.edu serial=846 | ||||||
WOT: SAFE (78/100)
PTR for
DNS History
1 record (1 active, 0 former)
●A129.74.222.692026-03-06 → 2026-05-02 · 2 obs
● 2026-03-06 21:02:22
● 2026-05-02 06:52:32
● 2026-05-02 06:52:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| edu | d.edu-servers.net, b.edu-servers.net, f.edu-servers.net, h.edu-servers.net... | - |
| nd.edu | ns2.nd.edu, ns1.nd.edu | 2 records |
✅ Authoritative Response
Server:66.205.160.50
NS records: ns2.nd.edu, ns1.nd.edu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nd.edu (unsigned zone)
⏱️ Timing
Total: 193ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 129.74.222.69 |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns2.nd.edu, ns1.nd.edu)
Analysis
IP Addresses
math-20.math.nd.edu points to a single IP address: 129.74.222.69.