nic0.dk DNS records

🖥️ Nameservers2 records 209ms

Nameserver	IP addresses	PTR	ASN / ISP
diana.ns.cloudflare.com	108.162.194.23 162.159.38.23 172.64.34.23 2606:4700:50::a29f:2617 2803:f800:50::6ca2:c217 2a06:98c1:50::ac40:2217	diana.ns.cloudflare.com diana.ns.cloudflare.com diana.ns.cloudflare.com diana.ns.cloudflare.com diana.ns.cloudflare.com diana.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mitch.ns.cloudflare.com	108.162.193.208 172.64.33.208 173.245.59.208 2606:4700:58::adf5:3bd0 2803:f800:50::6ca2:c1d0 2a06:98c1:50::ac40:21d0	mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 161ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.10.142	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.131.128	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records3 records 195ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
30	300s	route3.mx.cloudflare.net	162.159.205.23 162.159.205.24 162.159.205.25 2606:4700:f5::11 2606:4700:f5::12 2606:4700:f5::13	route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
63	300s	route2.mx.cloudflare.net	162.159.205.17 162.159.205.18 162.159.205.19 2606:4700:f5::10 2606:4700:f5::e 2606:4700:f5::f	route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
76	300s	route1.mx.cloudflare.net	162.159.205.11 162.159.205.12 162.159.205.13 2606:4700:f5::b 2606:4700:f5::c 2606:4700:f5::d	route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.21.10.142
🔶 Autoconfig	104.21.10.142

🔷 AAAA Records (IPv6)2 records 142ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:8380	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::6815:a8e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 214ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.10.142,172.67.131.128 ech=AEX+DQBBNwAgACA6vFFY7Dsg9igyBaPl/9dZwwdCuoD3H66rjI4F1KLcGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8380,2606:4700:3031::6815:a8e

📝 TXT Records1 records 388ms

TXT Record
v=spf1 include:_spf.mx.cloudflare.net ~all

✉️ SPF

Policy	Record (nic0.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net ~all

📨 DMARC

Policy	Record (_dmarc.nic0.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:ba12d447aeb54cf1a0f2786f60c853a6@dmarc-reports.cloudflare.net

📬 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.nic0.dk	9i8SjiUipG0vPdW-k3WTpPjspOTnolz_5QD_mCAARWQ
TXT	_acme-challenge.nic0.dk	uXqWg34DpLqJAGJzy9CRpUF_uZP5AzLMWNojyYYSEqc

🔗 TLSA / DANE9 records 326ms

Service / Owner	Type	Cert association
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…

🔐 DNSSEC311ms

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	2411882176
Primary NS (MNAME)	diana.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

209ms

A

161ms

MX

195ms

AAAA

142ms

TXT

388ms

CAA

223ms

HTTPS

214ms

TLSA

326ms

SOA

0ms

MTA-STS

246ms

DNSSEC

311ms

SRV

241ms

Total

4655ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-12 05:17:22	4655ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-07-27 07:28:09	1925ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-07-22 03:26:03	1783ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-24 19:37:35	950ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-23 11:14:51	1152ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 23:06:12	1167ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 14:12:55	917ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-18 00:36:52	1324ms	2 NS 2 A 3 MX	🔓 Insecure	View