blå-bog.dk DNS records

🖥️ Nameservers2 records 25ms

Nameserver	IP addresses	PTR	ASN / ISP
michelle.ns.cloudflare.com	108.162.192.201 172.64.32.201 173.245.58.201 2606:4700:50::adf5:3ac9 2803:f800:50::6ca2:c0c9 2a06:98c1:50::ac40:20c9	michelle.ns.cloudflare.com michelle.ns.cloudflare.com michelle.ns.cloudflare.com michelle.ns.cloudflare.com michelle.ns.cloudflare.com michelle.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
trey.ns.cloudflare.com	108.162.193.242 172.64.33.242 173.245.59.242 2606:4700:58::adf5:3bf2 2803:f800:50::6ca2:c1f2 2a06:98c1:50::ac40:21f2	trey.ns.cloudflare.com trey.ns.cloudflare.com trey.ns.cloudflare.com trey.ns.cloudflare.com trey.ns.cloudflare.com trey.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.72.111	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.182.16	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:486f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:b610	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 38ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.72.111,172.67.182.16 ech=AEX+DQBBzwAgACBs9iAdQ+BgMrTqSy5J7RhiSF7hZCc4sEnGxxiXoa1SeAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:486f,2606:4700:3035::ac43:b610

📝 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.blå-bog.dk	40yYBn9orgrd2ROrEKtctKlNsytLxq_ZdvJTLgr9K0w
TXT	_acme-challenge.blå-bog.dk	k_gh5Z7cooKVjRWV3GTYQk_v5w1iS7m13vG9orYenq0

🔗 TLSA / DANE

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

🔐 DNSSEC101ms

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	2413680811
Primary NS (MNAME)	michelle.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

25ms

A

27ms

MX

30ms

AAAA

33ms

TXT

139ms

CAA

23ms

HTTPS

38ms

TLSA

37ms

SOA

0ms

MTA-STS

42ms

DNSSEC

101ms

SRV

49ms

Total

1065ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 23:23:20	1065ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-28 06:47:38	629ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-27 04:55:28	560ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-24 19:31:45	1511ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-22 17:06:47	832ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-30 08:16:37	852ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-26 23:47:36	1264ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 22:20:33	395ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 22:45:44	1990ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-21 12:51:49	381ms	0 NS 0 A 0 MX	🔒 Secure	View
2026-06-16 15:05:49	403ms	2 NS 2 A 0 MX	🔒 Secure	View