nikolajtuxen.dk DNS records

🖥️ Nameservers2 records 46ms

Nameserver	IP addresses	PTR	ASN / ISP
pete.ns.cloudflare.com	108.162.193.136 172.64.33.136 173.245.59.136 2606:4700:58::adf5:3b88 2803:f800:50::6ca2:c188 2a06:98c1:50::ac40:2188	pete.ns.cloudflare.com pete.ns.cloudflare.com pete.ns.cloudflare.com pete.ns.cloudflare.com pete.ns.cloudflare.com pete.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rita.ns.cloudflare.com	108.162.192.140 172.64.32.140 173.245.58.140 2606:4700:50::adf5:3a8c 2803:f800:50::6ca2:c08c 2a06:98c1:50::ac40:208c	rita.ns.cloudflare.com rita.ns.cloudflare.com rita.ns.cloudflare.com rita.ns.cloudflare.com rita.ns.cloudflare.com rita.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records3 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.26.8.222	300s	—	AS13335	Cloudflare, Inc.	104.26.0.0/20	—	—
104.26.9.222	300s	—	AS13335	Cloudflare, Inc.	104.26.0.0/20	—	—
172.67.73.6	300s	—	AS13335	Cloudflare, Inc.	172.67.64.0/18	—	—

📧 MX Records2 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	300s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.26.9.222
🔶 Autoconfig	172.67.73.6

🔷 AAAA Records (IPv6)3 records 47ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:20::681a:8de	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700:20::681a:9de	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700:20::ac43:4906	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—

🔐 HTTPS Records1 records 45ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.26.8.222,104.26.9.222,172.67.73.6 ipv6hint=2606:4700:20::681a:8de,2606:4700:20::681a:9de,2606:4700:20::ac43:4906

📝 TXT Records3 records 225ms

TXT Record
google-site-verification=QECNu6WN8lOYdjqdIILL31G-pUNB81SSgJZQFskmDP4
protonmail-verification=e3ffa80913403c971ff7e918f9d4e1df954af34f
v=spf1 a mx ip4:49.12.83.126 include:spf.azehosting.net include:_spf.protonmail.ch include:servers.mcsv.net ~all

✉️ SPF

Policy	Record (nikolajtuxen.dk)
~all (soft fail)	v=spf1 a mx ip4:49.12.83.126 include:spf.azehosting.net include:_spf.protonmail.ch include:servers.mcsv.net ~all

📨 DMARC

Policy	Record (_dmarc.nikolajtuxen.dk)
p=quarantine	v=DMARC1;p=quarantine;sp=none;pct=100;adkim=r;aspf=r;rua=mailto:nt@nikolajtuxen.dk;ruf=mailto:nt@nikolajtuxen.dk;ri=86400;fo=0

📬 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 / DANE4 records 94ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…

🔐 DNSSEC91ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2411843230
Primary NS (MNAME)	pete.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

46ms

A

42ms

MX

30ms

AAAA

47ms

TXT

225ms

CAA

54ms

HTTPS

45ms

TLSA

94ms

SOA

0ms

MTA-STS

63ms

DNSSEC

91ms

SRV

74ms

Total

877ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 04:56:55	877ms	2 NS 3 A 2 MX	🔒 Secure	View
2026-08-10 14:06:22	5809ms	2 NS 3 A 2 MX	🔒 Secure	View
2026-08-08 07:52:11	1679ms	2 NS 3 A 2 MX	🔒 Secure	View
2026-07-24 20:49:07	1274ms	2 NS 3 A 2 MX	🔒 Secure	View
2026-07-17 10:13:00	8909ms	2 NS 3 A 2 MX	🔒 Secure	View
2026-06-26 17:19:29	997ms	2 NS 3 A 2 MX	🔒 Secure	View
2026-06-23 02:01:12	1982ms	2 NS 3 A 2 MX	🔒 Secure	View
2026-06-20 02:32:45	803ms	2 NS 3 A 2 MX	🔒 Secure	View
2026-06-17 22:39:09	1384ms	2 NS 3 A 2 MX	🔒 Secure	View