mail.knowsyn.com - robtex.com

mail.knowsyn.com

DNSSEC⚠️ Not signed

knowsyn.com

DNSSEC⚠️ Not signed
A44.237.79.223🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix
NSa.ns.knowsyn.com ⭐ ⚠️ Not in parent delegation
NSb.ns.knowsyn.com ⚠️ Not in parent delegation
NSforward.000cheapdomains.com ⚠️ Not in zone NS records
NSns2.000cheapdomains.com ⚠️ Not in zone NS records
MXmail.knowledgesynthesis.com ⭐
TXTv=spf1 a -all
SOAa.ns.knowsyn.comhostmaster@knowsyn.com serial=1778812201

Previously MX for

knowsyn.com

Same first word

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DNS History

2 records (0 active, 2 former)

20162017201820192020202120222023202420252026A173.239.75.16696.82.78.53
○A173.239.75.1662015-06-30 → 2015-11-13 · 4 obs
● 2015-06-30 18:09:26
● 2015-11-13 15:24:00
○ 2016-02-03 09:07:44
○ 2026-05-15 02:30:04
○A96.82.78.532016-02-03 → 2020-02-25 · 5 obs
○ 2015-11-13 15:24:00
● 2016-02-03 09:07:44
● 2020-02-25 12:43:22
○ 2026-04-03 04:58:12
○ 2026-05-15 02:30:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net...-
knowsyn.comns2.000cheapdomains.com, forward.000cheapdomains.com2 records

✅ Authoritative Response

Server:18.213.86.136

NS records: ns2.000cheapdomains.com, forward.000cheapdomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowsyn.com (unsigned zone)

⏱️ Timing

Total: 294ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.000cheapdomains.com, forward.000cheapdomains.com)