nicolaitang.dk DNS records

🖥️ Nameservers2 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
mike.ns.cloudflare.com	108.162.195.63 162.159.44.63 172.64.35.63 2606:4700:58::a29f:2c3f 2803:f800:50::6ca2:c33f 2a06:98c1:50::ac40:233f	mike.ns.cloudflare.com mike.ns.cloudflare.com mike.ns.cloudflare.com mike.ns.cloudflare.com mike.ns.cloudflare.com mike.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sonia.ns.cloudflare.com	108.162.194.190 162.159.38.190 172.64.34.190 2606:4700:50::a29f:26be 2803:f800:50::6ca2:c2be 2a06:98c1:50::ac40:22be	sonia.ns.cloudflare.com sonia.ns.cloudflare.com sonia.ns.cloudflare.com sonia.ns.cloudflare.com sonia.ns.cloudflare.com sonia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 9ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.90.230	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.162.54	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records5 records 14ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	ASPMX.L.GOOGLE.COM	108.177.14.27 2a00:1450:4010:c09::1b	lt-in-f27.1e100.net lk-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	ALT1.ASPMX.L.GOOGLE.COM	192.178.158.27 2404:6800:4000:1025::1a	lcdels-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	ALT2.ASPMX.L.GOOGLE.COM	192.178.158.27 2404:6800:4001:c01::1a	lcdels-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	ALT3.ASPMX.L.GOOGLE.COM	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	ALT4.ASPMX.L.GOOGLE.COM	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)2 records 11ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:5ae6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000::/42	—	—
2606:4700:3036::ac43:a236	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000::/42	—	—

🔐 HTTPS Records1 records 24ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.90.230,172.67.162.54 ech=AEX+DQBBLQAgACAHVxwA/sJ/ZvYhbMvUPFPCR7J67bfGjmmo5xFk21aNJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5ae6,2606:4700:3036::ac43:a236

📝 TXT Records2 records 98ms

TXT Record
google-site-verification=Nhy1fLW4QTlgQiA-R9nZlc6liizwQNvoLPkQvK_ON8E
v=spf1 include:_spf.google.com ~all

✉️ SPF

Policy	Record (nicolaitang.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC

Policy	Record (_dmarc.nicolaitang.dk)
p=quarantine	v=DMARC1; p=quarantine; sp=reject; rua=mailto:n@ntang.dk; ruf=mailto:n@ntang.dk; fo=1

📬 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.nicolaitang.dk	-yksPvKqVl2BwoMJogfAiBa2sl0XXIiGJcJkSRbQTfw

🔗 TLSA / DANE

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

🔐 DNSSEC121ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA7ms

Field	Value
Serial	2411506276
Primary NS (MNAME)	mike.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

36ms

A

9ms

MX

14ms

AAAA

11ms

TXT

98ms

CAA

12ms

HTTPS

24ms

TLSA

333ms

SOA

7ms

MTA-STS

28ms

DNSSEC

121ms

SRV

0ms

Total

7242ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-16 17:27:15	7242ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-08-08 00:30:50	1669ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-07-30 14:44:43	1546ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-07-26 12:27:51	10739ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-24 02:16:12	5003ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-22 19:18:19	1097ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 15:20:32	1473ms	2 NS 2 A 5 MX	🔓 Insecure	View