celko.dk

📜 Historical scan 2026-06-16 20:11:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

celko.dk is a .dk domain served by 2 nameservers (ns01.no.brand.one.com, ns02.no.brand.one.com). It was registered on 31 January 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.37.38.109 is hosted by One.com A/S (AS51468) in Norway. Mail is handled by sortland.celko.no. 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 187ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.no.brand.one.com	—	—	—
ns02.no.brand.one.com	—	—	—

🌍 A Records#

1 records 189ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.37.38.109	—	webcluster2.webpod1-osl1.one.com	AS51468	One.com A/S	104.37.32.0/21	🇳🇴 Norway	Oslo

📧 MX Records#

1 records 174ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	sortland.celko.no	81.167.32.222	81.167.32.222.static.lyse.net	AS29695 Lyse Tele

🔷 AAAA Records (IPv6)#

1 records 137ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:7:100:80d4:a2c2:fea9:e9d8	—	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇳🇴 Norway	Oslo

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 298ms

TXT Record
v=spf1 mx ~all

✉️ SPF#

Policy	Record (celko.dk)
~all (soft fail)	v=spf1 mx ~all

📨 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 2026-10-13 07:39:14

www	104.37.38.109 2a02:2350:7:100:80d4:a2c2:fea9:e9d8 (AS51468) (address records, no CNAME)
www vs bare domain	Same network celko.dk: 104.37.38.109 2a02:2350:7:100:80d4:a2c2:fea9:e9d8 (AS51468) www.celko.dk: 104.37.38.109 2a02:2350:7:100:80d4:a2c2:fea9:e9d8 (AS51468)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

341ms

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

🏷️ SOA#

194ms

Field	Value
Serial	2026061402
Primary NS (MNAME)	ns01.no.brand.one.com
Responsible (RNAME)	hostmaster@no.brand.one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-10 02:33:39

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-01-31
Expires	2027-01-31 (105d)

📋 WHOIS#

⏱️ Lookup Timing#

187ms

189ms

174ms

AAAA

137ms

TXT

298ms

CAA

175ms

HTTPS

183ms

TLSA

193ms

SOA

194ms

MTA-STS

157ms

DNSSEC

341ms

SRV

0ms

Total

1473ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 07:39:13	1939ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 20:06:20	835ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 01:16:46	602ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-24 23:49:53	1741ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-22 20:14:58	3385ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-14 17:44:09	3008ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-27 18:41:27	787ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-20 04:56:51	1628ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 20:11:22 shown	1473ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 20:09:36	373ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 20:00:04	741ms	2 NS 1 A 1 MX	🔓 Insecure