nu12.dk DNS records

🖥️ Nameservers2 records 67ms

Nameserver	IP addresses	PTR	ASN / ISP
kip.ns.cloudflare.com	108.162.193.128 172.64.33.128 173.245.59.128 2606:4700:58::adf5:3b80 2803:f800:50::6ca2:c180 2a06:98c1:50::ac40:2180	kip.ns.cloudflare.com kip.ns.cloudflare.com kip.ns.cloudflare.com kip.ns.cloudflare.com kip.ns.cloudflare.com kip.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tess.ns.cloudflare.com	108.162.192.227 172.64.32.227 173.245.58.227 2606:4700:50::adf5:3ae3 2803:f800:50::6ca2:c0e3 2a06:98c1:50::ac40:20e3	tess.ns.cloudflare.com tess.ns.cloudflare.com tess.ns.cloudflare.com tess.ns.cloudflare.com tess.ns.cloudflare.com tess.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.31.216	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.179.254	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 51ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:1fd8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:b3fe	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 74ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.31.216,172.67.179.254 ech=AEX+DQBBHAAgACC+SFRaafkH82GZ3ptOKCPrsK30Bnjo3vG5v3A+He0jQQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:1fd8,2606:4700:3035::ac43:b3fe

📝 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)

🔐 DNSSEC151ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	broken trust chain resolving 'nu12.dk/A/IN': 127.0.0.1#53

🏷️ SOA54ms

Field	Value
Serial	2405994342
Primary NS (MNAME)	kip.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

67ms

A

59ms

MX

55ms

AAAA

51ms

TXT

412ms

CAA

74ms

HTTPS

74ms

TLSA

64ms

SOA

54ms

MTA-STS

139ms

DNSSEC

151ms

SRV

229ms

Total

661ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-15 21:07:47	966ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-14 00:34:04	1033ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-09 01:32:56	1738ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-30 04:10:52	745ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-25 23:01:04	893ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 21:24:15	1112ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 14:31:56	603ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-20 07:28:45	661ms	2 NS 2 A 0 MX	⚠️ Bogus	View
2026-06-18 10:34:41	2898ms	2 NS 2 A 0 MX	⚠️ Bogus	View