countzero.co - dns.ninja
countzero.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=1759710341 | ||||||
Previously NS for
spbpython.guru |
matveenko.ru |
countzero.co |
Subdomains
Same first word
countzero.se |
countzero.net |
countzero.fi |
countzero.cz |
countzero.co |
countzero.no |
countzero.eu |
countzero.com |
countzero.org |
countzero.ru |
Similar names
DNS History
17 records (9 active, 8 former)
○NScountzero.co2017-03-08 → 2017-08-29 · 4 obs
● 2017-08-29 06:08:34
○ 2026-04-06 00:54:14
○ 2026-07-20 00:23:50
●NSlinode4.countzero.co2026-04-06 → 2026-07-20 · 3 obs
● 2026-04-06 00:54:14
● 2026-07-20 00:23:50
●NSns1.linode.com2017-03-08 → 2026-07-20 · 2 obs
● 2026-07-20 00:23:50
●NSns2.linode.com2017-03-08 → 2026-07-20 · 2 obs
● 2026-07-20 00:23:50
●NSns3.linode.com2017-03-08 → 2026-07-20 · 2 obs
● 2026-07-20 00:23:50
●NSns4.linode.com2017-03-08 → 2026-07-20 · 2 obs
● 2026-07-20 00:23:50
●NSns5.linode.com2017-03-08 → 2026-07-20 · 2 obs
● 2026-07-20 00:23:50
○MXalt1.aspmx.l.google.com2017-03-08 → 2017-08-29 · 4 obs
● 2017-08-29 06:08:34
○ 2026-04-06 00:54:14
○ 2026-07-20 00:23:50
○MXalt2.aspmx.l.google.com2017-03-08 → 2017-08-29 · 4 obs
● 2017-08-29 06:08:34
○ 2026-04-06 00:54:14
○ 2026-07-20 00:23:50
○MXaspmx.l.google.com2017-03-08 → 2017-08-29 · 4 obs
● 2017-08-29 06:08:34
○ 2026-04-06 00:54:14
○ 2026-07-20 00:23:50
○MXaspmx2.googlemail.com2017-03-08 → 2017-08-29 · 4 obs
● 2017-08-29 06:08:34
○ 2026-04-06 00:54:14
○ 2026-07-20 00:23:50
○MXaspmx3.googlemail.com2017-03-08 → 2017-08-29 · 4 obs
● 2017-08-29 06:08:34
○ 2026-04-06 00:54:14
○ 2026-07-20 00:23:50
●MXrelay1.countzero.co2026-04-06 → 2026-07-20 · 3 obs
● 2026-04-06 00:54:14
● 2026-07-20 00:23:50
○A139.162.135.512026-04-06 → 2026-07-20 · 2 obs
○ 2026-07-20 00:23:50
●A139.162.142.1102026-04-06 → 2026-07-20 · 2 obs
● 2026-07-20 00:23:50
●A2a01:7e01::2000:3aff:feb2:ac242026-04-06 → 2026-07-20 · 2 obs
● 2026-07-20 00:23:50
○A2a01:7e01::2000:dcff:fe48:d652026-04-06 → 2026-07-20 · 2 obs
○ 2026-07-20 00:23:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co | - |
| countzero.co | ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com... | - |
✅ Authoritative Response
Server:92.123.94.2
NS records: ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com, ns5.linode.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for countzero.co (unsigned zone)
⏱️ Timing
Total: 407ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 139.162.142.110 |
| AAAA | 1 | 2a01:7e01::2000:3aff:feb2:ac24 |
| NS | 5 | ns5.linode.com, ns1.linode.com... |
| MX | 1 | relay1.countzero.co (pri: 10) |
| TXT | 2 | v=spf1 a ~all, google-site-verification=x9DkO_OmTITkMpP |
| SOA | 1 | linode4.countzero.co dns-nospam.lig.fyi |
Analysis
Hierarchy
The parent domain of linode4.countzero.co and relay1.countzero.co is countzero.co.
IP Addresses
countzero.co directs to two IP numbers, 139.162.142.110 and 2a01:7e01::2000:3aff:feb2:ac24
Other host names share IP numbers with countzero.co; linode4.countzero.co is one such example.
Name Servers
The DNS delegation for countzero.co covers 6 name servers: linode4.countzero.co, ns1.linode.com, ns2.linode.com and 3 more.
countzero.co partially shares its NS delegation with several other domains, including karenwurl.com, gurka.se, tmry.net and two others.
These name servers regularly co-occur with the name servers ns3.linode.com, ns4.linode.com and ns5.linode.com.
Hosts with two IP numbers each:
linode4.countzero.co maps to two IP addresses — 139.162.142.110 and 2a01:7e01::2000:3aff:feb2:ac24.
ns1.linode.com maps to two IP addresses — 92.123.94.2 and 2600:14c0:6::2.
ns2.linode.com maps to two IP addresses — 92.123.94.3 and 2600:14c0:6::3.
ns3.linode.com maps to two IP addresses — 92.123.95.3 and 2600:14c0:7::3.
ns4.linode.com maps to two IP addresses — 92.123.95.4 and 2600:14c0:7::4.
ns5.linode.com maps to two IP addresses — 92.123.95.2 and 2600:14c0:7::2.
Mail Servers
countzero.co routes its mail through a single mail server, relay1.countzero.co.
The host relay1.countzero.co resolves to 139.162.135.51 and 2a01:7e01::2000:dcff:fe48:d65 — two IP addresses.