celko.dk

📜 Historical scan 2026-06-16 20:09:36 · ← 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 47ms

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

🌍 A Records#

1 records 43ms

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 80ms

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 73ms

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 83ms

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#

62ms

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

🏷️ SOA#

34ms

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#

47ms

43ms

80ms

AAAA

73ms

TXT

83ms

CAA

54ms

HTTPS

33ms

TLSA

62ms

SOA

34ms

MTA-STS

43ms

DNSSEC

62ms

SRV

0ms

Total

373ms

🕐 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	1473ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 20:09:36 shown	373ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 20:00:04	741ms	2 NS 1 A 1 MX	🔓 Insecure