ceh.dk

📜 Historical scan 2026-09-08 09:50:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ceh.dk is a .dk domain served by 2 nameservers (dee.ns.cloudflare.com, marty.ns.cloudflare.com). It was registered on 9 May 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.76.141 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by route2.mx.cloudflare.net, route1.mx.cloudflare.net and 1 more. The zone is DNSSEC-signed and validates, publishes a 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 130ms

Nameserver	IP addresses	PTR	ASN / ISP
dee.ns.cloudflare.com	108.162.192.93 172.64.32.93 173.245.58.93 2606:4700:50::adf5:3a5d 2803:f800:50::6ca2:c05d 2a06:98c1:50::ac40:205d	dee.ns.cloudflare.com dee.ns.cloudflare.com dee.ns.cloudflare.com dee.ns.cloudflare.com dee.ns.cloudflare.com dee.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
marty.ns.cloudflare.com	108.162.193.204 172.64.33.204 173.245.59.204 2606:4700:58::adf5:3bcc 2803:f800:50::6ca2:c1cc 2a06:98c1:50::ac40:21cc	marty.ns.cloudflare.com marty.ns.cloudflare.com marty.ns.cloudflare.com marty.ns.cloudflare.com marty.ns.cloudflare.com marty.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 125ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.76.141	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.196.26	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 179ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
24	300s	route2.mx.cloudflare.net	162.159.205.17 162.159.205.18 162.159.205.19 2606:4700:f5::10 2606:4700:f5::e 2606:4700:f5::f	route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
29	300s	route1.mx.cloudflare.net	162.159.205.11 162.159.205.12 162.159.205.13 2606:4700:f5::b 2606:4700:f5::c 2606:4700:f5::d	route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
40	300s	route3.mx.cloudflare.net	162.159.205.23 162.159.205.24 162.159.205.25 2606:4700:f5::11 2606:4700:f5::12 2606:4700:f5::13	route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.76.141
🔶 Autoconfig	172.67.196.26

🔷 AAAA Records (IPv6)#

2 records 181ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:c41a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:4c8d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 172ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.76.141,172.67.196.26 ech=AEX+DQBBUgAgACAqjPK+N+OiSof2EMXKOdrqYiiXZBziT3JxDnOy9PUcEAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:c41a,2606:4700:3035::6815:4c8d

📝 TXT Records#

1 records 329ms

TXT Record
v=spf1 include:_spf.mx.cloudflare.net ~all

✉️ SPF#

Policy	Record (ceh.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net ~all

📨 DMARC#

Policy	Record (_dmarc.ceh.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:info@ceh.dk

📬 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 2026-10-08 04:01:40

www	104.21.76.141 172.67.196.26 2606:4700:3032::ac43:c41a 2606:4700:3035::6815:4c8d (AS13335) (address records, no CNAME)
www vs bare domain	Same network ceh.dk: 104.21.76.141 172.67.196.26 2606:4700:3032::ac43:c41a 2606:4700:3035::6815:4c8d (AS13335) www.ceh.dk: 104.21.76.141 172.67.196.26 2606:4700:3032::ac43:c41a 2606:4700:3035::6815:4c8d (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

9 records 505ms

Service / Owner	Type	Cert association
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…

🔐 DNSSEC#

188ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2413968281
Primary NS (MNAME)	dee.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 23:45:18

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2015-05-09
Expires	2027-05-31 (226d)

📋 WHOIS#

⏱️ Lookup Timing#

130ms

125ms

179ms

AAAA

181ms

TXT

329ms

CAA

168ms

HTTPS

172ms

TLSA

505ms

SOA

0ms

MTA-STS

147ms

DNSSEC

188ms

SRV

191ms

Total

2509ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 01:53:21	732ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-30 00:39:48	685ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-26 03:07:57	1100ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-24 02:01:07	1036ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-19 23:10:17	1099ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-08 09:50:07 shown	2509ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-26 14:36:25	1686ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-09 23:31:03	4731ms	2 NS 2 A 3 MX	🔒 Secure
2026-07-20 17:12:04	1915ms	2 NS 2 A 3 MX	🔒 Secure
2026-07-16 11:23:28	2090ms	2 NS 2 A 3 MX	🔒 Secure
2026-07-08 23:26:34	10379ms	2 NS 2 A 3 MX	🔒 Secure
2026-06-30 05:43:35	1248ms	2 NS 2 A 3 MX	🔒 Secure
2026-06-16 20:10:14	3160ms	2 NS 2 A 3 MX	🔒 Secure
2026-06-16 20:06:58	65535ms	2 NS 2 A 3 MX	🔒 Secure
2026-06-16 20:01:07	862ms	2 NS 2 A 3 MX	🔒 Secure
2026-06-16 20:01:00	1074ms	2 NS 2 A 3 MX	🔒 Secure