mathlib4.math.northwestern.edu - robtex.com

mathlib4.math.northwestern.edu

DNSSEC⚠️ Not signed
A129.105.81.115🇺🇸 NWU-AS129.105.0.0/16 BTAA_Northwestern
PTRmathlib4.math.northwestern.edu

math.northwestern.edu

DNSSEC⚠️ Not signed
A129.105.119.52🇺🇸 NWU-AS129.105.0.0/16 BTAA_Northwestern
NSinfoblox.ittns.northwestern.edu
NSaccuvax.northwestern.edu ⚠️ Not in parent delegation
NScicada.northwestern.edu ⚠️ Not in parent delegation
MXchcspprf10.ads.northwestern.edu
MXchcspprf11.ads.northwestern.edu
MXchcspprf12.ads.northwestern.edu
MXevcspprf10.ads.northwestern.edu
MXevcspprf11.ads.northwestern.edu
MXevcspprf12.ads.northwestern.edu
TXTMS=790FFA4DFA21647CEB9AAF4AE300B6A65C7A132B
TXT30711e43080c7879812d086628707b80e6620c9e2a6f3ddcf97f8c50dbee9f13
TXT1password-site-verification=CRZEKJPBVVDVBLK6D2OTDEERJY
TXTv=spf1 +a +mx ip4:129.105.81.0/24 ip4:129.105.119.126 ip4:165.124.248.25 incl...
SOAinfoblox.ittns.northwestern.eduroot@hilbert.math.northwestern.edu 2018-12-19 #44
WOT: SAFE (64/100)
WOT: SAFE (84/100)

PTR for

DNS History

1 record (1 active, 0 former)

A129.105.81.115
A129.105.81.1152026-02-15 → 2026-07-13 · 2 obs
● 2026-02-15 05:29:16
● 2026-07-13 08:25:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
edua.edu-servers.net, b.edu-servers.net, c.edu-servers.net, d.edu-servers.net...-
northwestern.eduaccuvax.northwestern.edu, cicada.northwestern.edu4 records

✅ Authoritative Response

Server:18.216.244.66

NS records: accuvax.northwestern.edu, cicada.northwestern.edu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for northwestern.edu (unsigned zone)

⏱️ Timing

Total: 177ms | Queries: -

📄 Records

TypeCountSample Data
A1129.105.81.115

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (accuvax.northwestern.edu, accuvax.northwestern.edu, cicada.northwestern.edu...)

Analysis

IP Addresses

mathlib4.math.northwestern.edu has exactly one IP address — 129.105.81.115.