firstmac.co - dns.ninja
firstmac.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=1759733466 | ||||||
Same first word
firstmac.com.au |
firstmac.net |
firstmac.us |
firstmac.sg |
firstmac.biz |
firstmac.net.au |
firstmac.org |
firstmac.co |
firstmac.com |
firstmac.com.sg |
Similar names
DNS History
10 records (6 active, 4 former)
●NSns29.domaincontrol.com2026-03-04 → 2026-08-15 · 3 obs
● 2026-03-04 22:42:36
● 2026-08-15 03:46:52
●NSns30.domaincontrol.com2026-03-04 → 2026-08-15 · 3 obs
● 2026-03-04 22:42:36
● 2026-08-15 03:46:52
○NSpdns05.domaincontrol.com2015-06-09 → 2016-11-24 · 4 obs
● 2016-11-24 21:55:54
○ 2026-03-04 22:42:36
○ 2026-08-15 03:46:52
○NSpdns06.domaincontrol.com2015-06-09 → 2016-11-24 · 4 obs
● 2016-11-24 21:55:54
○ 2026-03-04 22:42:36
○ 2026-08-15 03:46:52
●MXcluster1.us.messagelabs.com2015-06-09 → 2026-08-15 · 2 obs
● 2026-08-15 03:46:52
●MXcluster1a.us.messagelabs.com2015-06-09 → 2026-08-15 · 2 obs
● 2026-08-15 03:46:52
●A15.197.142.1732026-03-04 → 2026-08-15 · 3 obs
● 2026-03-04 22:42:36
● 2026-08-15 03:46:52
●A3.33.152.1472026-03-04 → 2026-08-15 · 3 obs
● 2026-03-04 22:42:36
● 2026-08-15 03:46:52
○A59.100.93.2402015-06-09 → 2016-11-24 · 4 obs
● 2016-11-24 21:55:54
○ 2026-03-04 22:42:36
○ 2026-08-15 03:46:52
○A59.100.94.2402015-06-09 → 2016-11-24 · 4 obs
● 2016-11-24 21:55:54
○ 2026-03-04 22:42:36
○ 2026-08-15 03:46:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co | - |
| firstmac.co | ns29.domaincontrol.com, ns30.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.104.15
NS records: ns29.domaincontrol.com, ns30.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstmac.co (unsigned zone)
⏱️ Timing
Total: 492ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 15.197.142.173, 3.33.152.147 |
| NS | 2 | ns29.domaincontrol.com, ns30.domaincontrol.com |
| MX | 2 | cluster1a.us.messagelabs.com (pri: 20), cluster1.us.messagelabs.com (pri: 10) |
| SOA | 1 | ns29.domaincontrol.com dns.jomax.net |
Analysis
IP Addresses
firstmac.co has two IP addresses: 3.33.152.147 and 15.197.142.173
air4less.net, sandscruises.com, psiware.us and two other host names share IP numbers with firstmac.co.
Name Servers
Two name servers handle the delegation for firstmac.co: ns29.domaincontrol.com and ns30.domaincontrol.com.
firstmac.co uses the same name servers as several other domains — among them lessonsfrompiter.life, turnkeypc.com, afterock.com and two more.
ns29.domaincontrol.com and ns30.domaincontrol.com both carry two IP addresses. The A records for ns29.domaincontrol.com are 97.74.104.15 and 2603:5:2181::f; the A records for ns30.domaincontrol.com are 173.201.72.15 and 2603:5:2281::f.
Mail Servers
Mail for firstmac.co is handled by two mail servers — cluster1.us.messagelabs.com and cluster1a.us.messagelabs.com.
firstmac.co uses an identical mail server configuration to several other domains — among them denso.com.ph, enoteca.co.jp, esmodtokyo.com and two more.
firstmac.co has at least partial mail server overlap with other domains such as muellercomercial.com, ibgoodman.com, asahi-pm.com and two more.
Hostnames that resolve to 8 IP addresses:
cluster1.us.messagelabs.com resolves to 67.219.246.208, 67.219.246.210 and 67.219.246.215 among others, with 5 other IP addresses in total.
Hosts with just one IP address:
The hostname cluster1a.us.messagelabs.com resolves to 34.75.172.113.