cejn.dk

📜 Historical scan 2026-06-28 13:33:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cejn.dk is a .dk domain served by 2 nameservers (brian.ns.cloudflare.com, may.ns.cloudflare.com). It was registered on 11 January 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.79.195 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, 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 256ms

Nameserver	IP addresses	PTR	ASN / ISP
brian.ns.cloudflare.com	108.162.195.36 162.159.44.36 172.64.35.36 2606:4700:58::a29f:2c24 2803:f800:50::6ca2:c324 2a06:98c1:50::ac40:2324	brian.ns.cloudflare.com brian.ns.cloudflare.com brian.ns.cloudflare.com brian.ns.cloudflare.com brian.ns.cloudflare.com brian.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
may.ns.cloudflare.com	108.162.192.135 172.64.32.135 173.245.58.135 2606:4700:50::adf5:3a87 2803:f800:50::6ca2:c087 2a06:98c1:50::ac40:2087	may.ns.cloudflare.com may.ns.cloudflare.com may.ns.cloudflare.com may.ns.cloudflare.com may.ns.cloudflare.com may.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 181ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.79.195	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.171.6	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 199ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:4fc3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:ab06	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 199ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.79.195,172.67.171.6 ech=AEX+DQBBOgAgACCiQtFYnmEDxJ4Z+yy8ywHUjvXznHM8SPC+c8EFPBf9OQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:4fc3,2606:4700:3033::ac43:ab06

📝 TXT Records#

1 records 455ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (cejn.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.cejn.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s

📬 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 12:43:12

www	104.21.79.195 172.67.171.6 2606:4700:3033::ac43:ab06 2606:4700:3036::6815:4fc3 (AS13335) (address records, no CNAME)
www vs bare domain	Same network cejn.dk: 104.21.79.195 172.67.171.6 2606:4700:3033::ac43:ab06 2606:4700:3036::6815:4fc3 (AS13335) www.cejn.dk: 104.21.79.195 172.67.171.6 2606:4700:3033::ac43:ab06 2606:4700:3036::6815:4fc3 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

399ms

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

🏷️ SOA#

263ms

Field	Value
Serial	2406294997
Primary NS (MNAME)	brian.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 07:56:12

Field	Value
Registrar	MarkMonitor Inc.
Registered	2005-01-11
Expires	2027-01-31 (106d)

📋 WHOIS#

⏱️ Lookup Timing#

256ms

181ms

252ms

AAAA

199ms

TXT

455ms

CAA

214ms

HTTPS

199ms

TLSA

147ms

SOA

263ms

MTA-STS

228ms

DNSSEC

399ms

SRV

270ms

Total

1440ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 12:43:12	727ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-04 07:16:42	651ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-30 06:49:38	496ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-27 00:40:09	573ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-24 13:23:07	841ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-06 14:15:52	999ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-27 17:19:21	1748ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-28 13:33:22 shown	1440ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-19 22:22:12	1311ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 22:51:46	61618ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 20:19:24	1400ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 20:08:45	341ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 20:01:34	433ms	2 NS 2 A 0 MX	🔓 Insecure