undertøj.dk DNS records

🖥️ Nameservers2 records 30ms

Nameserver	IP addresses	PTR	ASN / ISP
primary.ns.hostup.se	198.41.222.135 2400:cb00:2049:1::c629:de87	cf-198-41-222-135.cloudflare.com —	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
secondary.ns.hostup.se	162.159.8.163 2400:cb00:2049:1::a29f:8a3	— —	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.92.54	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.186.208	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	mail.xn--undertj-v1a.dk	185.113.11.10	lambda.hostup.se	AS214640 Hostup AB

🔷 AAAA Records (IPv6)2 records 24ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:5c36	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:bad0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 42ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.92.54,172.67.186.208 ech=AEX+DQBBwAAgACB9PwKag54xhjMV7Qdb++j+bLnTDMGC5H9PcW/dD8tkaAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:5c36,2606:4700:3035::ac43:bad0

📝 TXT Records1 records 169ms

TXT Record
v=spf1 mx include:spf.hostup.se ~all

✉️ SPF

Policy	Record (undertøj.dk)
~all (soft fail)	v=spf1 mx include:spf.hostup.se ~all

📨 DMARC

Policy	Record (_dmarc.undertøj.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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.undertøj.dk	SxAhxutH_WvLzhi5Z0jvkNmAfH6SOwGSHZTJwNf-geQ
TXT	_acme-challenge.undertøj.dk	nGz4YeLajzM07vmqRFBwpihSdmgtC5S3An4hANGdXDk

🔗 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	✓ Found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2413938724
Primary NS (MNAME)	primary.ns.hostup.se
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

30ms

A

29ms

MX

38ms

AAAA

24ms

TXT

169ms

CAA

43ms

HTTPS

42ms

TLSA

63ms

SOA

0ms

MTA-STS

40ms

DNSSEC

121ms

SRV

60ms

Total

604ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 01:22:44	604ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-27 08:28:47	1026ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-21 12:08:39	2881ms	2 NS 2 A 1 MX	❓ Unknown	View
2026-07-28 02:14:06	1373ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-21 04:00:20	1422ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-04 14:38:29	1005ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-24 01:22:17	364ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 11:12:08	376ms	0 NS 0 A 0 MX	🔒 Secure	View
2026-06-20 02:55:01	346ms	0 NS 0 A 0 MX	🔒 Secure	View
2026-06-18 01:23:12	475ms	0 NS 0 A 0 MX	🔒 Secure	View