cejn.dk

📜 Historical scan 2026-06-16 20:01:34 · ← 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 74ms

Nameserver	IP addresses	PTR	ASN / ISP
brian.ns.cloudflare.com	—	—	—
may.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 50ms

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

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 52ms

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

🔐 HTTPS Records#

1 records 67ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.79.195,172.67.171.6 ech=AEX+DQBBcgAgACBMRRJsGDTnRtPLvC9BgW/e6+fxYyN0FrdvSb8rBGIENwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:4fc3,2606:4700:3033::ac43:ab06

📝 TXT Records#

1 records 166ms

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#

167ms

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

🏷️ SOA#

63ms

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#

74ms

50ms

66ms

AAAA

52ms

TXT

166ms

CAA

67ms

HTTPS

67ms

TLSA

43ms

SOA

63ms

MTA-STS

68ms

DNSSEC

167ms

SRV

0ms

Total

433ms

🕐 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	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 shown	433ms	2 NS 2 A 0 MX	🔓 Insecure