katkom.dk DNS records

🖥️ Nameservers2 records 31ms

Nameserver	IP addresses	PTR	ASN / ISP
ada.ns.cloudflare.com	108.162.192.54 172.64.32.54 173.245.58.54 2606:4700:50::adf5:3a36 2803:f800:50::6ca2:c036 2a06:98c1:50::ac40:2036	ada.ns.cloudflare.com ada.ns.cloudflare.com ada.ns.cloudflare.com ada.ns.cloudflare.com ada.ns.cloudflare.com ada.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jerome.ns.cloudflare.com	108.162.193.181 172.64.33.181 173.245.59.181 2606:4700:58::adf5:3bb5 2803:f800:50::6ca2:c1b5 2a06:98c1:50::ac40:21b5	jerome.ns.cloudflare.com jerome.ns.cloudflare.com jerome.ns.cloudflare.com jerome.ns.cloudflare.com jerome.ns.cloudflare.com jerome.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 25ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.64.191	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.187.97	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records5 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	172.253.130.26 2a00:1450:4010:c02::1a 2a00:1450:4010:c02::1a	yulppbn-in-f26.1e100.net le-in-x1a.1e100.net le-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4000:1025::1b	lcdels-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	192.178.158.27 2404:6800:4001:c01::1b	lcdels-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4003:c26::1a	tp-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24
🔶 Autoconfig	46.30.213.165

🔷 AAAA Records (IPv6)2 records 30ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:40bf	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:bb61	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 24ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.64.191,172.67.187.97 ech=AEX+DQBBwQAgACCJq/98h4XBibtJpMwP+KRke6TgId8VdS0G6GYygQlfVQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:40bf,2606:4700:3034::ac43:bb61

🔌 SRV Records1 records 46ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 137ms

TXT Record
MS=ms73671171
v=spf1 include:spf.protection.outlook.com include:send.one.com include:_custspf.one.com -all

✉️ SPF

Policy	Record (katkom.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:send.one.com include:_custspf.one.com -all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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
CNAME	_acme-challenge.katkom.dk	katkom.dk.acme.webpod3-cph3.one.com

🔗 TLSA / DANE

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

🔐 DNSSEC96ms

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	2413138973
Primary NS (MNAME)	ada.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

31ms

A

25ms

MX

29ms

AAAA

30ms

TXT

137ms

CAA

29ms

HTTPS

24ms

TLSA

267ms

SOA

0ms

MTA-STS

50ms

DNSSEC

96ms

SRV

46ms

Total

883ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 01:13:52	883ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-08-11 01:07:22	3484ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-28 15:15:35	1015ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-20 05:47:52	2893ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-17 13:01:56	5270ms	2 NS 2 A 5 MX	🔓 Insecure	View