klausthorup.dk DNS records

🖥️ Nameservers2 records 34ms

Nameserver	IP addresses	PTR	ASN / ISP
gwen.ns.cloudflare.com	108.162.192.160 172.64.32.160 173.245.58.160 2606:4700:50::adf5:3aa0 2803:f800:50::6ca2:c0a0 2a06:98c1:50::ac40:20a0	gwen.ns.cloudflare.com gwen.ns.cloudflare.com gwen.ns.cloudflare.com gwen.ns.cloudflare.com gwen.ns.cloudflare.com gwen.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nile.ns.cloudflare.com	108.162.193.214 172.64.33.214 173.245.59.214 2606:4700:58::adf5:3bd6 2803:f800:50::6ca2:c1d6 2a06:98c1:50::ac40:21d6	nile.ns.cloudflare.com nile.ns.cloudflare.com nile.ns.cloudflare.com nile.ns.cloudflare.com nile.ns.cloudflare.com nile.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.94.51	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.219.209	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records3 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.gigahost.dk	46.183.139.11	mx1.gigahost.dk	AS47292 Sentia Denmark A/S
10	300s	mx2.gigahost.dk	46.183.139.12	mx2.gigahost.dk	AS47292 Sentia Denmark A/S
10	300s	mx3.gigahost.dk	46.183.139.13	mx3.gigahost.dk	AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.21.94.51
🔶 Autoconfig	104.21.94.51

🔷 AAAA Records (IPv6)2 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:dbd1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:5e33	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 26ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.94.51,172.67.219.209 ech=AEX+DQBB/AAgACBaY3xXTjHGn020myaHmA0UDNM1FWVR3m9nS/VJiWGkRwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:dbd1,2606:4700:3034::6815:5e33

🔌 SRV Records1 records 50ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	autodiscover.gigahost.dk

📝 TXT Records4 records 150ms

TXT Record
google-site-verification=OsvujRrSvmbfJZ0ktFttPDO1T-mGp4uWHJ2g3rm5910
krystal-domain-verification
spf2.0/pra
v=spf1 mx include:spf.gigahost.dk -all

✉️ SPF

Policy	Record (klausthorup.dk)
-all (hard fail)	v=spf1 mx include:spf.gigahost.dk -all

📨 DMARC

Policy	Record (_dmarc.klausthorup.dk)
p=reject	v=DMARC1; p=reject;

📬 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)

🔐 DNSSEC100ms

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	2413162840
Primary NS (MNAME)	gwen.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

34ms

A

30ms

MX

32ms

AAAA

37ms

TXT

150ms

CAA

22ms

HTTPS

26ms

TLSA

55ms

SOA

0ms

MTA-STS

51ms

DNSSEC

100ms

SRV

50ms

Total

621ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 22:09:46	621ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-08-26 21:12:35	896ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-26 12:44:46	2462ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-25 04:25:39	1040ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-08-20 23:55:32	5641ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-14 12:18:36	1352ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-07 08:48:16	1687ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-04 20:21:15	2265ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-24 14:03:07	8848ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-23 10:21:47	9992ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-17 02:01:15	1971ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-11 06:03:13	10132ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-03 14:54:06	3210ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-26 23:37:12	1952ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-24 01:28:16	2240ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-23 01:47:31	936ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 09:00:53	2358ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-21 06:04:09	1167ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 08:47:46	3737ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-17 19:44:23	1208ms	5 NS 1 A 3 MX	🔓 Insecure	View