bismarck-class.dk

📜 Historical scan 2026-08-31 16:12:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bismarck-class.dk is a .dk domain served by 2 nameservers (heather.ns.cloudflare.com, luke.ns.cloudflare.com). It was registered on 3 May 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.37.4 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 152ms

Nameserver	IP addresses	PTR	ASN / ISP
heather.ns.cloudflare.com	108.162.192.161 172.64.32.161 173.245.58.161 2606:4700:50::adf5:3aa1 2803:f800:50::6ca2:c0a1 2a06:98c1:50::ac40:20a1	heather.ns.cloudflare.com heather.ns.cloudflare.com heather.ns.cloudflare.com heather.ns.cloudflare.com heather.ns.cloudflare.com heather.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
luke.ns.cloudflare.com	108.162.193.200 172.64.33.200 173.245.59.200 2606:4700:58::adf5:3bc8 2803:f800:50::6ca2:c1c8 2a06:98c1:50::ac40:21c8	luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 97ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.37.4	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.201.253	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 85ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:2504	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:c9fd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 107ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.37.4,172.67.201.253 ech=AEX+DQBBxgAgACDU02VX/J24gNRadHBUv0UeO9HK/mhXzzhdTfHDskF6WAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:2504,2606:4700:3037::ac43:c9fd

📝 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 10:30:25

www	104.21.37.4 172.67.201.253 2606:4700:3031::6815:2504 2606:4700:3037::ac43:c9fd (AS13335) (address records, no CNAME)
www vs bare domain	Same network bismarck-class.dk: 104.21.37.4 172.67.201.253 2606:4700:3031::6815:2504 2606:4700:3037::ac43:c9fd (AS13335) www.bismarck-class.dk: 104.21.37.4 172.67.201.253 2606:4700:3031::6815:2504 2606:4700:3037::ac43:c9fd (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.bismarck-class.dk	ErpJyBTKMCU1obJEGWjgbiiHvl1qjfm_kw55dMv4oYo
TXT	_acme-challenge.bismarck-class.dk	v8RywdKBQdOtSNlKRMFCe4o8TQJbIG1reNxjEG6cJKQ

🔗 TLSA / DANE#

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

🔐 DNSSEC#

309ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413621278
Primary NS (MNAME)	heather.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-18 16:17:13

Field	Value
Registrar	NETIM
Registered	2024-05-03
Expires	2027-05-02 (195d)

🔗 Same registrant#

17 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
agentic.dk	NETIM
aibeviset.dk	NETIM
ainyt.dk	NETIM
aiprisen.dk	NETIM
alliancen.dk	NETIM
arktiskleksikon.dk	NETIM
chatshop.dk	NETIM
d-i-f.dk	NETIM
dagensflue.dk	NETIM
europenews.dk	NETIM
hochzeit.dk	NETIM
intellect.dk	NETIM
krigsspil.dk	NETIM
linuxforum.dk	NETIM
ntik.dk	NETIM
nvfc.dk	NETIM
top20.dk	NETIM

📋 WHOIS#

⏱️ Lookup Timing#

152ms

97ms

90ms

AAAA

85ms

TXT

340ms

CAA

132ms

HTTPS

107ms

TLSA

167ms

SOA

0ms

MTA-STS

156ms

DNSSEC

309ms

SRV

161ms

Total

1235ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:30:25	1772ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-20 19:11:45	937ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-10 16:54:47	1249ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-09 17:42:37	688ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-31 16:12:47 shown	1235ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-27 15:49:32	474ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 15:11:23	796ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-25 14:54:40	9547ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-23 23:52:10	8763ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-18 14:27:51	999ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-11 00:47:12	6985ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-25 07:37:26	832ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-25 03:33:05	766ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-21 01:23:46	435ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 14:41:16	432ms	2 NS 2 A 0 MX	🔓 Insecure