hammerstrøm.dk xn--hammerstrm-8cb.dk

📜 Historical scan 2026-06-17 10:40:04 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

hammerstrøm.dk is a .dk domain served by 2 nameservers (ns51.gullestrupnet.dk, ns52.gullestrupnet.dk). It was registered on 28 December 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 82.165.189.144 is hosted by IONOS SE (AS8560) in Germany. Mail is handled by mail.xn--hammerstrm-8cb.dk, backupmail.gullestrupnet.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 338ms

Nameserver	IP addresses	PTR	ASN / ISP
ns51.gullestrupnet.dk	82.165.189.144	gn51.gullestrupnet.dk	AS8560 IONOS SE
ns52.gullestrupnet.dk	82.165.203.134	mail51.gullestrupnet.dk	AS8560 IONOS SE

🌍 A Records#

1 records 72ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
82.165.189.144	—	gn51.gullestrupnet.dk	AS8560	IONOS SE	82.165.0.0/16	🇩🇪 Germany	—

📧 MX Records#

2 records 73ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.xn--hammerstrm-8cb.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 534ms

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

✉️ SPF#

Policy	Record (hammerstrøm.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 2026-10-22 08:21:42

www	82.165.189.144 (AS8560) (address records, no CNAME)
www vs bare domain	Same network hammerstrøm.dk: 82.165.189.144 (AS8560) www.hammerstrøm.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#

131ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxdomain

🏷️ SOA#

333ms

Field	Value
Serial	2022122201
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 09:40:30

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2006-12-28
Expires	2026-12-31 (69d)

🔗 Same registrant#

2 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).

Domain	Registrar
hammerstroem.dk	Punktum dk A/S (direct)
hammerstrom.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

338ms

72ms

73ms

AAAA

73ms

TXT

534ms

CAA

71ms

HTTPS

55ms

TLSA

186ms

SOA

333ms

MTA-STS

117ms

DNSSEC

131ms

SRV

0ms

Total

1160ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 08:21:42	1560ms	2 NS 1 A 2 MX	🔓 Insecure
2026-10-08 13:28:22	1433ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-26 04:56:19	1845ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-23 18:11:25	325ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 10:40:04 shown	1160ms	2 NS 1 A 2 MX	🔒 Secure