cecnet.dk

📜 Historical scan 2026-06-16 21:33:17 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cecnet.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 23 August 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.226.145.85 is hosted by Netnoerden ApS (AS216275) in Denmark. Mail is handled by cecnet.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 136ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	—	—	—
ns02.one.com	—	—	—

🌍 A Records#

1 records 170ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.226.145.85	—	—	AS216275	Netnoerden ApS	91.226.144.0/23	🇩🇰 Denmark	Frederiksberg

📧 MX Records#

1 records 130ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	cecnet.dk	91.226.145.85	—	AS216275 Netnoerden ApS

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 1647ms

TXT Record
google-site-verification=-LuEBt2Yq4GB7QBtVbHuZRAf8pSi4sYVO-ewfD4pzDA

✉️ 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 12:40:41

www	91.226.145.84 (AS216275) (address records, no CNAME)
www vs bare domain	Same network cecnet.dk: 91.226.145.84 (AS216275) www.cecnet.dk: 91.226.145.84 (AS216275)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

700ms

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

🏷️ SOA#

252ms

Field	Value
Serial	2026032602
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-01 03:02:37

Field	Value
Registrar	ONE.COM A/S
Registered	2007-08-23
Expires	2027-08-31 (311d)

📋 WHOIS#

⏱️ Lookup Timing#

136ms

170ms

130ms

AAAA

355ms

TXT

1647ms

CAA

378ms

HTTPS

414ms

TLSA

4542ms

SOA

252ms

MTA-STS

202ms

DNSSEC

700ms

SRV

0ms

Total

49455ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 12:40:41	4429ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-06 10:52:40	2531ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 08:16:06	2571ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 02:27:01	2712ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 01:44:17	4425ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 00:31:11	563ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-18 10:27:15	1147ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 16:30:42	1349ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-22 13:47:15	4689ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-06 19:05:48	8630ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 01:30:43	859ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 11:54:08	1171ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 10:14:50	1791ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 21:33:17 shown	49455ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:10:01	1341ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:00:53	415ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:00:09	443ms	2 NS 1 A 1 MX	🔒 Secure