qextron.com - robtex.com
qextron.com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 204.74.99.100🇺🇸 MAINT-ID-12008204.74.99.0/24 Neustar | ||||||
| PTR | crs.ultradns.net | ||||||
| NS | udns1.ultradns.net ⭐ | ||||||
| A | 2001:502:f3ff::d🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar | ||||||
| PTR | udns1.ultradns.net | ||||||
| A | 204.69.234.1🇺🇸 MAINT-ID-12008204.69.234.0/24 Neustar | ||||||
| PTR | udns1.ultradns.net | ||||||
| NS | udns2.ultradns.net | ||||||
| A | 2610:a1:1014::d🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar | ||||||
| PTR | udns2.ultradns.net | ||||||
| A | 204.74.101.1🇺🇸 MAINT-ID-12008204.74.101.0/24 Neustar | ||||||
| PTR | udns2.ultradns.net | ||||||
| MX | mail.qextron.com ⭐ | ||||||
| A | 66.57.152.26🇺🇸 Charter-Communications-TWC-11426-CAROLINAS66.57.0.0/16 RR-Route | ||||||
| PTR | syn-066-057-152-026.biz.spectrum.com | ||||||
| TXT | v=spf1 mx ip4:66.57.152.26 ~all | ||||||
| SOA | udns1.ultradns.netiperez@extron.com serial=2013013385 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1784141207 | ||||||
Subdomains
Same first word
qextron.com |
Similar names
DNS History
5 records (4 active, 1 former)
●NSudns1.ultradns.net2015-07-19 → 2026-07-15 · 2 obs
● 2026-07-15 19:09:18
●NSudns2.ultradns.net2015-07-19 → 2026-07-15 · 2 obs
● 2026-07-15 19:09:18
●MXmail.qextron.com2015-07-19 → 2026-07-15 · 2 obs
● 2026-07-15 19:09:18
○A12.219.113.212015-07-19 → 2017-12-12 · 4 obs
● 2017-12-12 15:10:36
○ 2026-02-14 16:34:48
○ 2026-07-15 19:09:18
●A204.74.99.1002026-02-14 → 2026-07-15 · 3 obs
● 2026-02-14 16:34:48
● 2026-07-15 19:09:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| qextron.com | udns1.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: 675ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 204.74.99.100 |
| NS | 2 | udns1.ultradns.net, udns2.ultradns.net |
| MX | 1 | mail.qextron.com (pri: 10) |
| TXT | 1 | v=spf1 mx ip4:66.57.152.26 ~all |
| SOA | 1 | udns1.ultradns.net iperez.extron.com |
Analysis
Hierarchy
www.qextron.com and mail.qextron.com are both subdomains of qextron.com.
IP Addresses
qextron.com resolves to one IP address: 204.74.99.100.
monahan.devout.com, roofmate.ch, mr-apple.com and two other host names share IP numbers with qextron.com.
Name Servers
qextron.com uses two name servers for its delegation: udns1.ultradns.net and udns2.ultradns.net.
qextron.com uses the same name servers as several other domains — among them healthtech.net, theranchinc.com, 24.stg.oneil.com and two more.
qextron.com shares at least some of its name servers with other domains, including 100lasvegasspots.net, inkdepot.mobi, neustarpartner.org and two others.
These name servers are frequently seen alongside pdns2.ultradns.net, pdns1.ultradns.net, pdns5.ultradns.info and 5 other name servers.
The two host names udns1.ultradns.net and udns2.ultradns.net each have a pair of IP addresses: udns1.ultradns.net has 204.69.234.1 and 2001:502:f3ff::d, and udns2.ultradns.net has 204.74.101.1 and 2610:a1:1014::d.
Mail Servers
Mail for qextron.com is handled by a single mail server, mail.qextron.com.
mail.qextron.com directs to just one IP number, 66.57.152.26.