3fkastrup.dk

📜 Historical scan 2026-06-16 12:50:23 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

3fkastrup.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 27 October 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.100 is hosted by team.blue Denmark A/S (AS48854) in Denmark. 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#

4 records 86ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	—	—	—
ns2.simply.com	—	—	—
ns3.simply.com	—	—	—
ns4.simply.com	—	—	—

🌍 A Records#

1 records 61ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.100	—	dnsforward.simply.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

📧

No MX records found

🔷 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 2026-10-09 10:15:03

www	94.231.103.100 (AS48854) (address records, no CNAME)
www vs bare domain	Same network 3fkastrup.dk: 94.231.103.100 (AS48854) www.3fkastrup.dk: 94.231.103.100 (AS48854)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

180ms

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

🏷️ SOA#

47ms

Field	Value
Serial	2020072990
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-07 00:24:09

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-10-27
Expires	2026-10-31 (14d)

📋 WHOIS#

⏱️ Lookup Timing#

86ms

61ms

50ms

AAAA

50ms

TXT

224ms

CAA

94ms

HTTPS

52ms

TLSA

184ms

SOA

47ms

MTA-STS

63ms

DNSSEC

180ms

SRV

0ms

Total

972ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 04:55:47	494ms	4 NS 1 A 0 MX	🔒 Secure
2026-09-30 04:45:09	449ms	4 NS 1 A 0 MX	🔒 Secure
2026-08-28 01:41:22	425ms	4 NS 1 A 0 MX	🔒 Secure
2026-07-02 12:10:20	689ms	4 NS 1 A 0 MX	🔒 Secure
2026-06-23 19:14:45	540ms	4 NS 1 A 0 MX	🔒 Secure
2026-06-21 05:24:15	1152ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 12:59:29	1063ms	4 NS 1 A 0 MX	🔒 Secure
2026-06-16 12:50:23 shown	972ms	4 NS 1 A 0 MX	🔒 Secure