katkom.dk

📜 Historical scan 2026-06-17 13:01:56 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

katkom.dk is a .dk domain served by 2 nameservers (ada.ns.cloudflare.com, jerome.ns.cloudflare.com). It was registered on 1 November 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.64.191 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 53ms

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 Records#

2 records 50ms

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

📧 MX Records#

5 records 79ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	aspmx.l.google.com	108.177.14.27 2a00:1450:4010:c03::1b 2a00:1450:4010:c03::1b	lt-in-f27.1e100.net lr-in-f27.1e100.net lr-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	—	alt1.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1b	lcbomp-in-f27.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	—	alt2.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	alt3.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	alt4.aspmx.l.google.com	173.194.43.27 2607:f8b0:400e:c1e::1a	yudlsqd-in-f27.1e100.net yudlsqd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:40bf	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:bb61	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 86ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.64.191,172.67.187.97 ech=AEX+DQBBEQAgACDI4xqwwmAc0aVdhaScxMRTfCZo1/vM6WMg5h+quY5QUgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:40bf,2606:4700:3037::ac43:bb61

📝 TXT Records#

2 records 207ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 05:12:26

www	104.21.64.191 172.67.187.97 2606:4700:3031::6815:40bf 2606:4700:3034::ac43:bb61 (AS13335) (address records, no CNAME)
www vs bare domain	Same network katkom.dk: 104.21.64.191 172.67.187.97 2606:4700:3031::6815:40bf 2606:4700:3034::ac43:bb61 (AS13335) www.katkom.dk: 104.21.64.191 172.67.187.97 2606:4700:3031::6815:40bf 2606:4700:3034::ac43:bb61 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

error include:send.one.com has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

165ms

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

🏷️ SOA#

41ms

Field	Value
Serial	2406751892
Primary NS (MNAME)	ada.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 05:24:25

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-11-01
Expires	2026-11-30 (43d)

📋 WHOIS#

⏱️ Lookup Timing#

53ms

50ms

79ms

AAAA

33ms

TXT

207ms

CAA

47ms

HTTPS

86ms

TLSA

2174ms

SOA

41ms

MTA-STS

113ms

DNSSEC

165ms

SRV

0ms

Total

5270ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 05:12:26	3070ms	2 NS 2 A 5 MX	🔓 Insecure
2026-10-01 03:55:07	1040ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-27 14:07:43	2807ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-27 01:13:52	883ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-11 01:07:22	3484ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-28 15:15:35	1015ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-20 05:47:52	2893ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-17 13:01:56 shown	5270ms	2 NS 2 A 5 MX	🔓 Insecure