frederiksvaerkdaekcenter.dk

📜 Historical scan 2026-06-24 06:49:01 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

frederiksvaerkdaekcenter.dk is a .dk domain served by 2 nameservers (ns3.andersenit.dk, ns4.andersenit.dk). It was registered on 22 July 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.63.144.13 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by smtp-mx-own.frederiksvaerkdaekcenter.dk. The zone is of unknown DNSSEC status, 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 82ms

Nameserver	IP addresses	PTR	ASN / ISP
ns3.andersenit.dk	185.200.74.11	ns3.andersenit.dk	AS198614 RockyNordic ApS
ns4.andersenit.dk	87.238.250.4	ns4.andersenit.dk	AS198614 RockyNordic ApS

🌍 A Records#

1 records 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.63.144.13	600s	—	AS3292	TDC Holding A/S	87.62.0.0/15	🇩🇰 Denmark	Hillerød

📧 MX Records#

1 records 87ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
50	600s	smtp-mx-own.frederiksvaerkdaekcenter.dk	87.63.144.10	cpe.xe-2-0-0-4096.graenqe40.dk.customer.tdc.net	AS3292 TDC Holding A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 218ms

TXT Record
v=spf1 ip4:87.238.248.0/24 ?all

✉️ SPF#

Policy	Record (frederiksvaerkdaekcenter.dk)
?all (neutral)	v=spf1 ip4:87.238.248.0/24 ?all

📨 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 2026-10-07 14:32:42

www	87.63.144.13 (AS3292) (address records, no CNAME)
www vs bare domain	Same network frederiksvaerkdaekcenter.dk: 87.63.144.13 (AS3292) www.frederiksvaerkdaekcenter.dk: 87.63.144.13 (AS3292)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

169ms

Check	Result
Validation Status	❓ Unknown
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	broken trust chain resolving 'frederiksvaerkdaekcenter.dk/DS/IN': 127.0.0.1#53

🏷️ SOA#

78ms

Field	Value
Serial	2023083101
Primary NS (MNAME)	ns3.andersenit.dk
Responsible (RNAME)	hostmaster@andersenit.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-15 02:46:09

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-07-22
Expires	2027-09-30 (339d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

82ms

54ms

87ms

AAAA

64ms

TXT

218ms

CAA

41ms

HTTPS

39ms

TLSA

118ms

SOA

78ms

MTA-STS

43ms

DNSSEC

169ms

SRV

108ms

Total

633ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 14:32:42	951ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 04:51:28	806ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-24 06:49:01 shown	633ms	2 NS 1 A 1 MX	❓ Unknown
2026-06-24 03:22:42	769ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 09:42:53	756ms	2 NS 1 A 1 MX	🔓 Insecure