web1.math.cmu.edu - robtex.com
web1.math.cmu.edu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 128.2.32.132🇺🇸 CMU-ROUTER128.2.0.0/16 RR-RC-Expedient-MOH | ||||||
| PTR | web1.math.cmu.edu | ||||||
| TXT | [NRMR 33923_IN_A_128.2.32.132 jI3fL/k2EVmOKxgKs3+E7g] | ||||||
math.cmu.edu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 128.2.32.188🇺🇸 CMU-ROUTER128.2.0.0/16 RR-RC-Expedient-MOH | ||||||
| NS | nsauth-master.net.cmu.edu ⭐ | ||||||
| NS | nsauth1.net.cmu.edu ⚠️ Not in parent delegation | ||||||
| NS | nsauth2.net.cmu.edu ⚠️ Not in parent delegation | ||||||
| MX | qwes.math.cmu.edu ⭐ | ||||||
| TXT | v=spf1 include:_spf.cmu.edu ~all | ||||||
| TXT | [NRDR 34635_IN_TXT_v=spf1.include:_spf.cmu.edu.~all MTOxc2xeJb77C4Kpcv2lPQ] | ||||||
| SOA | nsauth-master.net.cmu.eduhost-master@andrew.cmu.edu serial=220165 | ||||||
WOT: SAFE (94/100)
PTR for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A128.2.32.1322026-04-15 → 2026-04-25 · 2 obs
● 2026-04-15 12:29:12
● 2026-04-25 00:02:56
● 2026-04-25 00:02:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| edu | a.edu-servers.net, b.edu-servers.net, c.edu-servers.net, d.edu-servers.net... | - |
| cmu.edu | nsauth1.net.cmu.edu, nsauth2.net.cmu.edu, nsauth3.net.cmu.edu | 3 records |
✅ Authoritative Response
Server:3.33.150.209
NS records: nsauth1.net.cmu.edu, nsauth2.net.cmu.edu, nsauth3.net.cmu.edu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 115ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 128.2.32.132 |
| TXT | 1 | [NRMR 33923_IN_A_128.2.32.132 jI3fL/k2EV |
📌 Glue Records Collected
Total: 3
In-bailiwick: 3 (nsauth1.net.cmu.edu, nsauth2.net.cmu.edu, nsauth3.net.cmu.edu)
Analysis
IP Addresses
web1.math.cmu.edu points to a single IP: 128.2.32.132.