expr.co - robtex.com
expr.co
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759713101 | ||||||
Same first word
expr.com |
expr.it |
expr.nl |
expr.fr |
expr.se |
expr.es |
expr.com.br |
expr.co |
expr.net |
expr.org |
expr.io |
expr.tv |
expr.us |
expr.ru |
expr.pl |
expr.me |
expr.in |
expr.cc |
expr.de |
Similar names
DNS History
8 records (6 active, 2 former)
●NSns01.domaincontrol.com2015-07-09 → 2026-07-22 · 2 obs
● 2026-07-22 14:04:14
●NSns02.domaincontrol.com2015-07-09 → 2026-07-22 · 2 obs
● 2026-07-22 14:04:14
●MXmailstore1.secureserver.net2015-07-09 → 2026-07-22 · 5 obs
● 2026-06-10 03:07:20
○ 2026-06-10 16:42:38
● 2026-06-11 01:41:34
● 2026-07-22 14:04:14
●MXsmtp.secureserver.net2015-07-09 → 2026-07-22 · 5 obs
● 2026-06-10 03:07:20
○ 2026-06-10 16:42:38
● 2026-06-11 01:41:34
● 2026-07-22 14:04:14
●A15.197.148.332026-02-15 → 2026-07-22 · 6 obs
● 2026-02-15 06:46:24
● 2026-06-10 03:07:20
○ 2026-06-10 16:42:38
● 2026-06-11 01:41:34
● 2026-07-22 14:04:14
○A184.168.221.412015-07-09 → 2020-01-27 · 4 obs
● 2020-01-27 17:40:46
○ 2021-06-21 04:36:02
○ 2026-07-22 14:04:14
●A3.33.130.1902026-02-15 → 2026-07-22 · 6 obs
● 2026-02-15 06:46:24
● 2026-06-10 03:07:20
○ 2026-06-10 16:42:38
● 2026-06-11 01:41:34
● 2026-07-22 14:04:14
○A34.102.136.1802021-06-21 → 2021-06-21 · 4 obs
● 2021-06-21 04:36:02
○ 2026-02-15 06:46:24
○ 2026-07-22 14:04:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | c.registrydns.co, d.registrydns.co, a.registrydns.co, b.registrydns.co | - |
| expr.co | ns01.domaincontrol.com, ns02.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.100.1
NS records: ns01.domaincontrol.com, ns02.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for expr.co (unsigned zone)
⏱️ Timing
Total: 515ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | ns01.domaincontrol.com, ns02.domaincontrol.com |
| MX | 2 | mailstore1.secureserver.net (pri: 10), smtp.secureserver.net (pri: 0) |
| SOA | 1 | ns01.domaincontrol.com dns.jomax.net |
Analysis
IP Addresses
expr.co directs to two IP numbers, 3.33.130.190 and 15.197.148.33
cablerocket.tv, jmarkegard.com, appbol.com and two other host names share IP numbers with expr.co.
Name Servers
expr.co is delegated to two name servers: ns01.domaincontrol.com and ns02.domaincontrol.com.
expr.co uses the same name servers as several other domains — among them macwholesale.net, jox.net, lazarconstruction.com and two more.
ns01.domaincontrol.com and ns02.domaincontrol.com each resolve to two IP addresses: ns01.domaincontrol.com points to 97.74.100.1 and 2603:5:2140::1, while ns02.domaincontrol.com points to 173.201.68.1 and 2603:5:2240::1.
Mail Servers
Mail for expr.co is handled by two mail servers — mailstore1.secureserver.net and smtp.secureserver.net.
expr.co uses an identical mail server configuration to several other domains — among them olmex.com.mx, nursingeducationtn.com, automass.tv and two more.
expr.co shares mail servers with at least some other domains, such as besvisor.com, protulip.com and silentvault.com.
mailstore1.secureserver.net and smtp.secureserver.net each have three IP addresses — mailstore1.secureserver.net directs to 216.69.141.78, 216.69.141.114 and 216.69.141.162; smtp.secureserver.net directs to 216.69.141.71, 216.69.141.84 and 216.69.141.113.