sim.co - dns.ninja
sim.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=1759708321 | ||||||
Same first word
Similar names
DNS History
12 records (6 active, 6 former)
●NSns49.domaincontrol.com2015-08-27 → 2026-07-17 · 2 obs
● 2026-07-17 16:26:40
●NSns50.domaincontrol.com2015-08-27 → 2026-07-17 · 2 obs
● 2026-07-17 16:26:40
○MXalt1.aspmx.l.google.com2015-08-27 → 2017-07-10 · 4 obs
● 2017-07-10 09:34:44
○ 2026-03-23 10:07:06
○ 2026-07-17 16:26:40
○MXalt2.aspmx.l.google.com2015-08-27 → 2017-07-10 · 4 obs
● 2017-07-10 09:34:44
○ 2026-03-23 10:07:06
○ 2026-07-17 16:26:40
○MXaspmx.l.google.com2015-08-27 → 2017-07-10 · 4 obs
● 2017-07-10 09:34:44
○ 2026-03-23 10:07:06
○ 2026-07-17 16:26:40
○MXaspmx2.googlemail.com2015-08-27 → 2017-07-10 · 4 obs
● 2017-07-10 09:34:44
○ 2026-03-23 10:07:06
○ 2026-07-17 16:26:40
○MXaspmx3.googlemail.com2015-08-27 → 2017-07-10 · 4 obs
● 2017-07-10 09:34:44
○ 2026-03-23 10:07:06
○ 2026-07-17 16:26:40
●MXmail.protonmail.ch2026-03-23 → 2026-07-17 · 3 obs
● 2026-03-23 10:07:06
● 2026-07-17 16:26:40
●MXmailsec.protonmail.ch2026-03-23 → 2026-07-17 · 3 obs
● 2026-03-23 10:07:06
● 2026-07-17 16:26:40
●A15.197.148.332026-03-23 → 2026-07-17 · 3 obs
● 2026-03-23 10:07:06
● 2026-07-17 16:26:40
●A3.33.130.1902026-03-23 → 2026-07-17 · 3 obs
● 2026-03-23 10:07:06
● 2026-07-17 16:26:40
○A50.62.243.12015-08-27 → 2017-07-10 · 4 obs
● 2017-07-10 09:34:44
○ 2026-03-23 10:07:06
○ 2026-07-17 16:26:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co | - |
| sim.co | ns49.domaincontrol.com, ns50.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.104.25
NS records: ns49.domaincontrol.com, ns50.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sim.co (unsigned zone)
⏱️ Timing
Total: 1772ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | ns49.domaincontrol.com, ns50.domaincontrol.com |
| MX | 2 | mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20) |
| TXT | 2 | v=spf1 include:_spf.protonmail.ch mx ~al, protonmail-verification=606cec90430eed20 |
| SOA | 1 | ns49.domaincontrol.com dns.jomax.net |
Analysis
IP Addresses
sim.co has two IP addresses: 3.33.130.190 and 15.197.148.33
crowleygrowth.com, pickaboo.us, gobrandbuilder.com plus two other host names have IP numbers in common with sim.co.
Name Servers
sim.co has two authoritative name servers — ns49.domaincontrol.com and ns50.domaincontrol.com.
The name server configuration of sim.co is shared with other domains, for instance nobleprotector.com, freenflpicks.net, themagellan.com and two others.
Both ns49.domaincontrol.com and ns50.domaincontrol.com have two IP addresses each. ns49.domaincontrol.com resolves to 97.74.104.25 and 2603:5:2182::19; ns50.domaincontrol.com resolves to 173.201.72.25 and 2603:5:2282::19.
Mail Servers
sim.co uses two mail servers, mail.protonmail.ch and mailsec.protonmail.ch.
The mail server setup of sim.co matches that of other domains such as abeljesus.com, mercurymail.ca, koalabakery.com and two others.
At least some of the mail servers used by sim.co are shared with other domains: amhouot.com, klovan.nl, wyvill.net and two others among them.
mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128. mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129. Both hosts resolve to three IP numbers.