bismarck-class.dk DNS records

🖥️ Nameservers2 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 Records2 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 Records1 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

🔏 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)

🔐 DNSSEC309ms

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

🏷️ SOA0ms

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

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

152ms

A

97ms

MX

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
2026-08-31 16:12:47	1235ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-27 15:49:32	474ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-26 15:11:23	796ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-25 14:54:40	9547ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-23 23:52:10	8763ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-18 14:27:51	999ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-11 00:47:12	6985ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-25 07:37:26	832ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-25 03:33:05	766ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-21 01:23:46	435ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-16 14:41:16	432ms	2 NS 2 A 0 MX	🔓 Insecure	View