rrn.dk DNS records

🖥️ Nameservers2 records 48ms

Nameserver	IP addresses	PTR	ASN / ISP
cesar.ns.cloudflare.com	108.162.195.119 162.159.44.119 172.64.35.119 2606:4700:58::a29f:2c77 2803:f800:50::6ca2:c377 2a06:98c1:50::ac40:2377	cesar.ns.cloudflare.com cesar.ns.cloudflare.com cesar.ns.cloudflare.com cesar.ns.cloudflare.com cesar.ns.cloudflare.com cesar.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
emely.ns.cloudflare.com	108.162.194.209 162.159.38.209 172.64.34.209 2606:4700:50::a29f:26d1 2803:f800:50::6ca2:c2d1 2a06:98c1:50::ac40:22d1	emely.ns.cloudflare.com emely.ns.cloudflare.com emely.ns.cloudflare.com emely.ns.cloudflare.com emely.ns.cloudflare.com emely.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.6.10	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.134.35	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 56ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:8623	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:60a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 54ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.6.10,172.67.134.35 ech=AEX+DQBB3QAgACC10dUBdxL2D/OQ0N+tXN5AoHK0riC4YzR/VWpeAHEzLwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8623,2606:4700:3033::6815:60a

📝 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)

🔐 DNSSEC111ms

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	2411174712
Primary NS (MNAME)	cesar.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

48ms

A

55ms

MX

55ms

AAAA

56ms

TXT

207ms

CAA

53ms

HTTPS

54ms

TLSA

63ms

SOA

0ms

MTA-STS

77ms

DNSSEC

111ms

SRV

81ms

Total

1026ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-06 13:28:54	1026ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-16 22:11:56	713ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-30 11:20:27	905ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-23 19:46:13	835ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 08:39:24	1177ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 00:49:39	564ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-21 19:35:59	3070ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-21 10:41:18	1116ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 17:10:51	1490ms	2 NS 2 A 0 MX	🔓 Insecure	View