birkholm2.dk

📜 Historical scan 2026-06-16 14:49:12 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

birkholm2.dk is a .dk domain served by 2 nameservers (ns51.gullestrupnet.dk, ns52.gullestrupnet.dk). It was registered on 3 January 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.birkholm2.dk, backupmail.gullestrupnet.dk. The zone is not DNSSEC-signed, 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 103ms

Nameserver	IP addresses	PTR	ASN / ISP
ns51.gullestrupnet.dk	—	—	—
ns52.gullestrupnet.dk	—	—	—

🌍 A Records#

1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
82.165.189.144	—	gn51.gullestrupnet.dk	AS8560	—	—	—	—

📧 MX Records#

2 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.birkholm2.dk	82.165.203.134	mail51.gullestrupnet.dk	AS8560 IONOS SE
30	—	backupmail.gullestrupnet.dk	82.165.203.134	mail51.gullestrupnet.dk	AS8560 IONOS SE

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 167ms

TXT Record
v=spf1 ip4:82.165.203.134 ip4=82.165.189.144 +a +mx -all

✉️ SPF#

Policy	Record (birkholm2.dk)
-all (hard fail)	v=spf1 ip4:82.165.203.134 ip4=82.165.189.144 +a +mx -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 2026-10-14 01:13:51

www	82.165.189.144 (AS8560) (address records, no CNAME)
www vs bare domain	Same network birkholm2.dk: 82.165.189.144 (AS8560) www.birkholm2.dk: 82.165.189.144 (AS8560)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

109ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

49ms

Field	Value
Serial	2025103104
Primary NS (MNAME)	ns51.gullestrupnet.dk
Responsible (RNAME)	hostmaster@gullestrupnet.dk
Refresh	10800s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	10800s

📋 Registration#

WHOIS fetched 2026-10-21 12:42:22

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2006-01-03
Expires	2027-01-31 (100d)

🔗 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#

103ms

45ms

59ms

AAAA

49ms

TXT

167ms

CAA

152ms

HTTPS

60ms

TLSA

90ms

SOA

49ms

MTA-STS

61ms

DNSSEC

109ms

SRV

0ms

Total

602ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-06 10:39:58	9610ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-26 13:59:40	1672ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-21 10:25:16	1425ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-20 18:29:03	1184ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 14:49:12 shown	602ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-16 14:40:20	2119ms	2 NS 1 A 2 MX	🔓 Insecure