firstcom.dk - dns.ninja
firstcom.dk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 94.231.103.100🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S | ||||||
| PTR | dnsforward.simply.com | ||||||
| NS | ns1.simply.com ⭐ | ||||||
| A | 2a02:2339:1:15c::4562:4562🇩🇰 team-blue-denmark2a02:2339::/36 | ||||||
| PTR | ns1.simply.com | ||||||
| A | 91.197.248.78🇩🇰 team-blue-denmark91.197.248.0/22 | ||||||
| PTR | ns1.simply.com | ||||||
| NS | ns2.simply.com | ||||||
| A | 2a02:2339:4006:101::4562:4562🇩🇰 team-blue-denmark2a02:2339:4000::/34 | ||||||
| PTR | ns2.simply.com | ||||||
| A | 185.25.141.15🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S | ||||||
| PTR | ns2.simply.com | ||||||
| NS | ns3.simply.com | ||||||
| A | 91.197.248.79🇩🇰 team-blue-denmark91.197.248.0/22 | ||||||
| PTR | ns3.simply.com | ||||||
| SOA | ns1.simply.comhostmaster@simply.com 2025-11-20 #3 | ||||||
dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | b.nic.dk ⭐ | ||||||
| NS | c.nic.dk | ||||||
| NS | h.nic.dk | ||||||
| NS | l.nic.dk | ||||||
| NS | s.nic.dk | ||||||
| NS | t.nic.dk | ||||||
| TXT | DK zone updateEpoch 1782656281localtime Sun Jun 28 16:18:01 2026gmtime Sun Ju... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1782656281 | ||||||
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
○NSns1.firstcom.dk2015-05-17 → 2017-07-27 · 4 obs
● 2017-07-27 09:05:52
○ 2026-02-25 10:28:24
○ 2026-06-28 14:28:08
●NSns1.simply.com2026-02-25 → 2026-06-28 · 3 obs
● 2026-02-25 10:28:24
● 2026-06-28 14:28:08
○NSns2.firstcom.dk2015-05-17 → 2017-07-27 · 4 obs
● 2017-07-27 09:05:52
○ 2026-02-25 10:28:24
○ 2026-06-28 14:28:08
●NSns2.simply.com2026-02-25 → 2026-06-28 · 3 obs
● 2026-02-25 10:28:24
● 2026-06-28 14:28:08
●NSns3.simply.com2026-02-25 → 2026-06-28 · 3 obs
● 2026-02-25 10:28:24
● 2026-06-28 14:28:08
○MXfirstcom-dk.mail.protection.outlook.com2015-12-14 → 2017-07-27 · 5 obs
● 2015-12-14 06:24:46
● 2017-07-27 09:05:52
○ 2026-02-25 10:28:24
○ 2026-06-28 14:28:08
○MXmailscan.firstcom.dk2015-05-17 → 2015-09-12 · 4 obs
● 2015-09-12 19:06:30
○ 2015-12-14 06:24:46
○ 2026-06-28 14:28:08
○A54.229.232.892015-05-17 → 2017-07-27 · 4 obs
● 2017-07-27 09:05:52
○ 2026-02-25 10:28:24
○ 2026-06-28 14:28:08
●A94.231.103.1002026-02-25 → 2026-06-28 · 3 obs
● 2026-02-25 10:28:24
● 2026-06-28 14:28:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | s.nic.dk, c.nic.dk, h.nic.dk, b.nic.dk... | - |
| firstcom.dk | ns1.simply.com, ns2.simply.com, ns3.simply.com | - |
✅ Authoritative Response
Server:185.25.141.15
NS records: ns1.simply.com, ns2.simply.com, ns3.simply.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstcom.dk (unsigned zone)
⏱️ Timing
Total: 661ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 94.231.103.100 |
| NS | 3 | ns2.simply.com, ns3.simply.com... |
| SOA | 1 | ns1.simply.com hostmaster.simply.com |
Analysis
IP Addresses
firstcom.dk has exactly one IP address — 94.231.103.100.
jakobstorm.dk, 8book.dk, dealy.se plus two other host names have IP numbers in common with firstcom.dk.
Name Servers
firstcom.dk is served by three name servers: ns1.simply.com, ns2.simply.com and ns3.simply.com.
firstcom.dk partially shares its NS delegation with several other domains, including bwm.dk, pinch.dk, simuscape.com and two others.
These name servers tend to appear together with the name servers ns4.simply.com, ns1.unoeuro.com and ns2.unoeuro.com, plus two others.
Host names pointing to two IP addresses:
The A records for ns1.simply.com return 91.197.248.78 and 2a02:2339:1:15c::4562:4562.
The A records for ns2.simply.com return 185.25.141.15 and 2a02:2339:4006:101::4562:4562.
Host names resolving to a single IP address:
ns3.simply.com resolves to the IP address 91.197.248.79.