knudham.dk

📜 Historical scan 2026-09-26 11:43:15 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

knudham.dk is a .dk domain served by 2 nameservers (amos.ns.cloudflare.com, shaz.ns.cloudflare.com). It was registered on 23 December 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.15.10 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 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 32ms

Nameserver	IP addresses	PTR	ASN / ISP
amos.ns.cloudflare.com	108.162.195.120 162.159.44.120 172.64.35.120 2606:4700:58::a29f:2c78 2803:f800:50::6ca2:c378 2a06:98c1:50::ac40:2378	amos.ns.cloudflare.com amos.ns.cloudflare.com amos.ns.cloudflare.com amos.ns.cloudflare.com amos.ns.cloudflare.com amos.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
shaz.ns.cloudflare.com	108.162.194.249 162.159.38.249 172.64.34.249 2606:4700:50::a29f:26f9 2803:f800:50::6ca2:c2f9 2a06:98c1:50::ac40:22f9	shaz.ns.cloudflare.com shaz.ns.cloudflare.com shaz.ns.cloudflare.com shaz.ns.cloudflare.com shaz.ns.cloudflare.com shaz.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 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.15.10	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.160.252	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.pub.mailpod11-cph3.one.com	104.37.34.230	mx1.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx3.pub.mailpod11-cph3.one.com	104.37.34.232	mx3.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx4.pub.mailpod11-cph3.one.com	104.37.34.233	mx4.pub.mailpod11-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

2 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:f0a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:a0fc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 38ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.15.10,172.67.160.252 ech=AEX+DQBBtwAgACAOpwGzqB3CUy0H+UvK4gq6/JCBs8DqYQD55IyP6qWGDAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:f0a,2606:4700:3033::ac43:a0fc

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 17:26:02

www	104.21.15.10 172.67.160.252 2606:4700:3032::6815:f0a 2606:4700:3033::ac43:a0fc (AS13335) (address records, no CNAME)
www vs bare domain	Same network knudham.dk: 104.21.15.10 172.67.160.252 2606:4700:3032::6815:f0a 2606:4700:3033::ac43:a0fc (AS13335) www.knudham.dk: 104.21.15.10 172.67.160.252 2606:4700:3032::6815:f0a 2606:4700:3033::ac43:a0fc (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.knudham.dk	porF3rO5fqR8pAY2f-pMwVkdNoR5GKqoPXxbkXPIL9g
TXT	_acme-challenge.knudham.dk	w0aUpDfOGFEflAFIRFUwXFMIhRNhMqM4bgJOcsmpyJw

🔗 TLSA / DANE#

4 records 112ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…

🔐 DNSSEC#

120ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415893709
Primary NS (MNAME)	amos.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-04 12:54:31

Field	Value
Registrar	ONE.COM A/S
Registered	2023-12-23
Expires	2026-12-22 (63d)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

46ms

36ms

AAAA

36ms

TXT

168ms

CAA

47ms

HTTPS

38ms

TLSA

112ms

SOA

0ms

MTA-STS

55ms

DNSSEC

120ms

SRV

58ms

Total

950ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 12:31:28	2166ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-27 11:55:57	854ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-26 11:43:15 shown	950ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-01 17:25:02	1546ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-08 06:01:42	3373ms	2 NS 2 A 4 MX	🔓 Insecure
2026-07-29 15:24:20	1305ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-29 10:34:20	1034ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-20 09:37:11	612ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-18 04:03:06	1162ms	2 NS 2 A 4 MX	🔓 Insecure