4firms.dk

📜 Historical scan 2026-06-19 22:00:40 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

4firms.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 10 December 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 194.150.113.21 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx01.dandomain.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 1155ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 1165ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
194.150.113.21	3600s	—	AS48854	team.blue Denmark A/S	194.150.112.0/22	🇩🇰 Denmark	Skanderborg

📧 MX Records#

1 records 1159ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx01.dandomain.dk	212.237.249.50	mx1.dandomain.dk	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-15 02:05:44

www	194.150.113.21 (AS48854) (address records, no CNAME)
www vs bare domain	Same network 4firms.dk: 194.150.113.21 (AS48854) www.4firms.dk: 194.150.113.21 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

2959ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

1151ms

Field	Value
Serial	2012121001
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-10 14:15:53

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-12-10
Expires	2026-12-31 (68d)

📋 WHOIS#

⏱️ Lookup Timing#

1155ms

1165ms

1159ms

AAAA

1155ms

TXT

1757ms

CAA

1159ms

HTTPS

1160ms

TLSA

83ms

SOA

1151ms

MTA-STS

72ms

DNSSEC

2959ms

SRV

246ms

Total

3231ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 16:22:01	439ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 22:00:40 shown	3231ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 12:56:12	563ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:46:28	588ms	2 NS 1 A 1 MX	🔒 Secure