certainty.io - dns.ninja
certainty.io
io
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.io ⭐ | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1785124812 | ||||||
Same first word
Similar names
DNS History
13 records (8 active, 5 former)
●NSdns1.registrar-servers.com2026-07-10 → 2026-07-27 · 3 obs
● 2026-07-10 10:37:38
● 2026-07-27 04:17:24
●NSdns2.registrar-servers.com2026-07-10 → 2026-07-27 · 3 obs
● 2026-07-10 10:37:38
● 2026-07-27 04:17:24
○NSns-1214.awsdns-23.org2015-11-24 → 2016-07-09 · 4 obs
● 2016-07-09 20:28:30
○ 2026-07-10 10:37:38
○ 2026-07-27 04:17:24
○NSns-15.awsdns-01.com2015-11-24 → 2016-07-09 · 4 obs
● 2016-07-09 20:28:30
○ 2026-07-10 10:37:38
○ 2026-07-27 04:17:24
○NSns-1982.awsdns-55.co.uk2015-11-24 → 2016-07-09 · 4 obs
● 2016-07-09 20:28:30
○ 2026-07-10 10:37:38
○ 2026-07-27 04:17:24
○NSns-829.awsdns-39.net2015-11-24 → 2016-07-09 · 4 obs
● 2016-07-09 20:28:30
○ 2026-07-10 10:37:38
○ 2026-07-27 04:17:24
●MXalt1.aspmx.l.google.com2026-07-10 → 2026-07-27 · 2 obs
● 2026-07-27 04:17:24
●MXalt2.aspmx.l.google.com2026-07-10 → 2026-07-27 · 2 obs
● 2026-07-27 04:17:24
●MXalt3.aspmx.l.google.com2026-07-10 → 2026-07-27 · 2 obs
● 2026-07-27 04:17:24
●MXalt4.aspmx.l.google.com2026-07-10 → 2026-07-27 · 2 obs
● 2026-07-27 04:17:24
●MXaspmx.l.google.com2026-07-10 → 2026-07-27 · 2 obs
● 2026-07-27 04:17:24
●A162.255.119.1812026-07-10 → 2026-07-27 · 3 obs
● 2026-07-10 10:37:38
● 2026-07-27 04:17:24
○A54.235.64.202015-11-24 → 2016-07-09 · 4 obs
● 2016-07-09 20:28:30
○ 2026-07-10 10:37:38
○ 2026-07-27 04:17:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a2.nic.io, a0.nic.io, c0.nic.io, b0.nic.io | - |
| certainty.io | dns1.registrar-servers.com, dns2.registrar-servers.com | - |
✅ Authoritative Response
Server:156.154.132.200
NS records: dns1.registrar-servers.com, dns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for certainty.io (unsigned zone)
⏱️ Timing
Total: 421ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.255.119.181 |
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 5 | aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)... |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
Analysis
IP Addresses
certainty.io has exactly one IP address — 162.255.119.181.
siopmodel.info, bearlough.com, xt500c.com plus two other host names have IP numbers in common with certainty.io.
Name Servers
DNS delegation for certainty.io points to two name servers: dns1.registrar-servers.com and dns2.registrar-servers.com.
The name server configuration of certainty.io is shared with other domains, for instance pafipdsulawesitengah.org, bettetris.com, ttntdns.com and two others.
certainty.io partially shares its NS delegation with several other domains, including peoplesarthistoryus.org, kellyarsi.com, brookewebster.com and two others.
These name servers regularly co-occur with the name servers dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.
dns1.registrar-servers.com directs to 156.154.132.200 and 2610:a1:1024::200. dns2.registrar-servers.com directs to 156.154.133.200 and 2610:a1:1025::200. Each host name carries two IP addresses.
Mail Servers
certainty.io is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
At least some of the mail servers used by certainty.io are shared with other domains: ecrobo.com, serv.agency, monarcha.cz and two others among them.
These mail servers are often deployed together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other mail servers.
Host names pointing to two IP addresses:
aspmx.l.google.com has two IP addresses: 142.250.31.27 and 2607:f8b0:4004:c21::1b.
alt1.aspmx.l.google.com has two IP addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1b.
alt3.aspmx.l.google.com has two IP addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com has two IP addresses: 172.253.157.26 and 2a00:1450:400c:c23::1a.