crd04.dk DNS records

🖥️ Nameservers2 records 45ms

Nameserver	IP addresses	PTR	ASN / ISP
leanna.ns.cloudflare.com	108.162.194.151 162.159.38.151 172.64.34.151 2606:4700:50::a29f:2697 2803:f800:50::6ca2:c297 2a06:98c1:50::ac40:2297	leanna.ns.cloudflare.com leanna.ns.cloudflare.com leanna.ns.cloudflare.com leanna.ns.cloudflare.com leanna.ns.cloudflare.com leanna.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
oswald.ns.cloudflare.com	108.162.193.218 172.64.33.218 173.245.59.218 2606:4700:58::adf5:3bda 2803:f800:50::6ca2:c1da 2a06:98c1:50::ac40:21da	oswald.ns.cloudflare.com oswald.ns.cloudflare.com oswald.ns.cloudflare.com oswald.ns.cloudflare.com oswald.ns.cloudflare.com oswald.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.91.86	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.214.118	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	mail.crd04.dk	62.61.142.111	62.61.142.111.generic-hostname.arrownet.dk	AS15516 DKTV A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.214.118
🔶 Autoconfig	104.21.91.86

🔷 AAAA Records (IPv6)2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:5b56	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:d676	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 49ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.91.86,172.67.214.118 ech=AEX+DQBBXQAgACD4tluV7+N6egP3rjc95AhG8H8rAWHDx+Y5v46cYnx6AwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:5b56,2606:4700:3036::ac43:d676

📝 TXT Records1 records 201ms

TXT Record
v=spf1 a mx -all

✉️ SPF

Policy	Record (crd04.dk)
-all (hard fail)	v=spf1 a mx -all

📨 DMARC

Policy	Record (_dmarc.crd04.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:admin@crd04.dk

📬 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.crd04.dk	YMOVcOi2qKR3GSfGnpZzrXiVOcMgeEIIgwR7ybgj3iA
TXT	_acme-challenge.crd04.dk	etehzMYscOqGARbMvBTr2_l2z-myNiB2-YDk-qmrBIA

🔗 TLSA / DANE

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

🔐 DNSSEC87ms

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	2412911436
Primary NS (MNAME)	leanna.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

45ms

A

45ms

MX

39ms

AAAA

43ms

TXT

201ms

CAA

32ms

HTTPS

49ms

TLSA

92ms

SOA

0ms

MTA-STS

63ms

DNSSEC

87ms

SRV

74ms

Total

769ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 06:22:09	769ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-22 22:12:20	7222ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-19 12:02:33	961ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-09 02:28:38	969ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-05 17:50:37	5504ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-03 03:58:06	2626ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-25 09:13:21	691ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-21 21:22:29	514ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-19 23:37:11	2710ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-16 22:51:25	403ms	2 NS 2 A 0 MX	🔓 Insecure	View