mail.qextron.com - robtex.com

mail.qextron.com

DNSSEC⚠️ Not signed
A66.57.152.26🇺🇸 Charter-Communications-TWC-11426-CAROLINAS66.57.0.0/16 RR-Route
PTRsyn-066-057-152-026.biz.spectrum.com

qextron.com

DNSSEC🔒 Signed (DS record present)
A204.74.99.100🇺🇸 MAINT-ID-12008204.74.99.0/24 Neustar
NSudns1.ultradns.net ⭐
NSudns2.ultradns.net
MXmail.qextron.com ⭐
TXTv=spf1 mx ip4:66.57.152.26 ~all
SOAudns1.ultradns.netiperez@extron.com serial=2013013386

MX for

qextron.com

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A66.57.152.2612.219.113.21
○A12.219.113.212015-05-26 → 2016-10-14 · 4 obs
● 2015-05-26 10:59:08
● 2016-10-14 11:41:22
○ 2026-02-14 16:34:50
○ 2026-07-18 07:37:56
●A66.57.152.262026-02-14 → 2026-07-18 · 3 obs
○ 2016-10-14 11:41:22
● 2026-02-14 16:34:50
● 2026-07-18 07:37:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
qextron.comudns1.ultradns.net, udns2.ultradns.net-

✅ Authoritative Response

Server:204.69.234.1

NS records: udns1.ultradns.net, udns2.ultradns.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 141ms | Queries: -

📄 Records

TypeCountSample Data
A166.57.152.26

Analysis

Mail Server Role

Mail for qextron.com is routed through the mail server mail.qextron.com.

IP Addresses

mail.qextron.com has exactly one IP address — 66.57.152.26.

syn-066-057-152-026.biz.spectrum.com and mail.kf4cls.com, along with other host names, share IP addresses with mail.qextron.com.