lists.simtk.org - robtex.com

lists.simtk.org

DNSSEC⚠️ Not signed
A171.64.65.69🇺🇸 STANFORD171.64.0.0/14 AS32 proxy-registered route by Cogent
PTRsimtk-lists.stanford.edu
TXTv=spf1 ip4:171.64.65.69 ip4:171.64.65.11 ip4:171.67.219.64/27 ip4:171.67.224....

simtk.org

DNSSEC⚠️ Not signed
A171.64.65.11🇺🇸 STANFORD171.64.0.0/14 AS32 proxy-registered route by Cogent
NSns1.simtk.org ⭐
NSns2.simtk.org
MXmail.simtk.org ⭐
TXTgoogle-site-verification=Xx_aAa-prZwVtJQMyopBPhnPrmNl3nL01pmkKP3m0Hw
TXTv=spf1 ip4:171.64.64.25 ip4:171.64.64.26 ip4:171.64.64.27 ip4:171.64.65.11 ip...
SOAns1.simtk.orgwebmaster@simtk.org serial=20130322
WOT: SAFE (70/100)
rank #384652 globally
rank #28737 in the tld
WOT: SAFE (93/100)
📈 Tranco rank: #216,664

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DNS History

1 record (1 active, 0 former)

A171.64.65.69
●A171.64.65.692026-05-12 → 2026-06-01 · 2 obs
● 2026-05-12 17:22:06
● 2026-06-01 22:17:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
simtk.orgns2.simtk.org, ns1.simtk.org2 records

✅ Authoritative Response

Server:171.64.65.31

NS records: ns2.simtk.org, ns1.simtk.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simtk.org (unsigned zone)

⏱️ Timing

Total: 312ms | Queries: -

📄 Records

TypeCountSample Data
A1171.64.65.69
TXT1v=spf1 ip4:171.64.65.69 ip4:171.64.65.11

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns1.simtk.org, ns2.simtk.org)

Analysis

IP Addresses

lists.simtk.org has exactly one IP address — 171.64.65.69.

simtk-lists.stanford.edu is an example of another host name that shares IP numbers with lists.simtk.org.