co.com - robtex.com
co.com
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=1783614012 | ||||||
rank #321 in the tld
📈 Tranco rank: #2,392
Subdomains
Same first word
Similar names
DNS History
11 records (9 active, 2 former)
●NSns0.nic.co.com2015-08-14 → 2026-07-09 · 2 obs
● 2026-07-09 16:49:00
●NSns1.nic.co.com2015-08-14 → 2026-07-09 · 2 obs
● 2026-07-09 16:49:00
●NSns2.nic.co.com2015-08-14 → 2026-07-09 · 2 obs
● 2026-07-09 16:49:00
●NSns3.nic.co.com2015-08-14 → 2026-07-09 · 2 obs
● 2026-07-09 16:49:00
●NSns4.nic.co.com2015-08-14 → 2026-07-09 · 2 obs
● 2026-07-09 16:49:00
○NSns5.nic.co.com2015-08-14 → 2018-08-09 · 4 obs
● 2018-08-09 14:13:42
○ 2019-08-10 17:38:16
○ 2026-07-09 16:49:00
●MXfallbackmx.spamexperts.eu2015-08-14 → 2026-07-09 · 2 obs
● 2026-07-09 16:49:00
●MXlastmx.spamexperts.net2015-08-14 → 2026-07-09 · 2 obs
● 2026-07-09 16:49:00
●MXmx.spamexperts.com2015-08-14 → 2026-07-09 · 2 obs
● 2026-07-09 16:49:00
●A169.60.151.2322026-02-14 → 2026-07-09 · 3 obs
● 2026-02-14 16:31:00
● 2026-07-09 16:49:00
○A173.192.76.1712015-08-14 → 2021-05-23 · 4 obs
● 2021-05-23 03:38:58
○ 2026-02-14 16:31:00
○ 2026-07-09 16:49:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| co.com | ns1.nic.co.com, ns2.nic.co.com, ns3.nic.co.com, ns4.nic.co.com | 8 records |
✅ Authoritative Response
Server:212.18.249.36
NS records: ns1.nic.co.com, ns2.nic.co.com, ns3.nic.co.com, ns4.nic.co.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 278ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 169.60.151.232 |
| NS | 4 | ns1.nic.co.com, ns2.nic.co.com... |
| MX | 3 | mx.spamexperts.com (pri: 10), lastmx.spamexperts.net (pri: 30)... |
| TXT | 2 | google-site-verification=7OcubotXUUSYYCS, v=spf1 mx ip4:169.60.151.232 ip4:184.172 |
| SOA | 1 | ns0.nic.co.com hostmaster.co.com |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (ns1.nic.co.com, ns1.nic.co.com, ns2.nic.co.com...)
Analysis
Hierarchy
co.com is the parent domain for spotify.co.com, dtac.co.com, caloriesburned.co.com, m98.co.com, suitetrezor.co.com and thousands of other host names.
IP Addresses
co.com has exactly one IP address — 169.60.151.232.
Other host names, among them mail.co.com and e8.97.3ca9.ip4.static.sl-reverse.com, have IP numbers in common with co.com.
Name Servers
Five name servers handle delegation for co.com: ns0.nic.co.com, ns1.nic.co.com, ns2.nic.co.com and two others.
These name servers tend to be deployed in combination with the name servers ns3.nic.co.com and ns4.nic.co.com.
Host names pointing to two IP addresses:
ns0.nic.co.com resolves to 193.105.170.150 and 2001:67c:2630::1701:150.
ns1.nic.co.com resolves to 194.169.218.36 and 2001:67c:13cc::1:36.
ns2.nic.co.com resolves to 185.24.64.36 and 2a04:2b00:13cc::1:36.
ns3.nic.co.com resolves to 212.18.248.36 and 2a04:2b00:13ee::36.
ns4.nic.co.com resolves to 212.18.249.36 and 2a04:2b00:13ff::36.
Mail Servers
The MX records for co.com list three mail servers: mx.spamexperts.com, fallbackmx.spamexperts.eu and lastmx.spamexperts.net.
At least some of the mail servers used by co.com are shared with other domains: ncsi.gov.om, worldtruckauctions.com, ijsleeuwen.nl and two others among them.
Hosts with 8 IP addresses each:
lastmx.spamexperts.net points to 38.71.16.244, 38.89.254.156, 149.13.75.27 and 5 other IP addresses.
Hosts with 6 IP addresses each:
fallbackmx.spamexperts.eu points to 149.13.75.27, 154.59.104.23, 154.59.193.124 and 3 other IP addresses.
Host names pointing to two IP addresses:
mx.spamexperts.com resolves to 38.89.254.156 and 2001:550:2:78::ca:100.
The host names lastmx.spamexperts.net and fallbackmx.spamexperts.eu both resolve to 2001:978:2:7::162:100 IP addresses.
The host names lastmx.spamexperts.net and fallbackmx.spamexperts.eu both resolve to 2001:978:2:2c::137:100 IP addresses.
The host names lastmx.spamexperts.net and mx.spamexperts.com both resolve to 38.89.254.156 IP addresses.
The host names lastmx.spamexperts.net and fallbackmx.spamexperts.eu both resolve to 149.13.75.27 IP addresses.
The host names lastmx.spamexperts.net and fallbackmx.spamexperts.eu both resolve to 154.59.104.23 IP addresses.