clr.dk DNS records

🖥️ Nameservers2 records 32ms

Nameserver	IP addresses	PTR	ASN / ISP
barbara.ns.cloudflare.com	108.162.192.248 172.64.32.248 173.245.58.248 2606:4700:50::adf5:3af8 2803:f800:50::6ca2:c0f8 2a06:98c1:50::ac40:20f8	barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
dan.ns.cloudflare.com	108.162.193.108 172.64.33.108 173.245.59.108 2606:4700:58::adf5:3b6c 2803:f800:50::6ca2:c16c 2a06:98c1:50::ac40:216c	dan.ns.cloudflare.com dan.ns.cloudflare.com dan.ns.cloudflare.com dan.ns.cloudflare.com dan.ns.cloudflare.com dan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 25ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.40.106	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.150.185	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.21.40.106
🔶 Autoconfig	104.21.40.106

🔷 AAAA Records (IPv6)2 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::ac43:96b9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:286a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 32ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.40.106,172.67.150.185 ech=AEX+DQBBmQAgACDc0bIbjDYB2ubP4uVS+O0iKH8sqXOu/oTg78BdpE1kJwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:96b9,2606:4700:3036::6815:286a

📝 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

🔗 TLSA / DANE

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

🔐 DNSSEC104ms

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	2413555728
Primary NS (MNAME)	barbara.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

32ms

A

25ms

MX

32ms

AAAA

33ms

TXT

157ms

CAA

23ms

HTTPS

32ms

TLSA

50ms

SOA

0ms

MTA-STS

40ms

DNSSEC

104ms

SRV

55ms

Total

498ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 02:52:03	498ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-28 19:20:09	493ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-26 16:22:53	525ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-24 19:21:39	16537ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-12 04:14:43	2785ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-10 12:33:07	868ms	2 NS 2 A 0 MX	❓ Unknown	View
2026-06-28 04:26:58	792ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-16 21:26:22	385ms	2 NS 2 A 0 MX	🔓 Insecure	View