celko.dk

📜 Historical scan 2026-06-27 18:41:27 · ← 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	195.206.121.12 2001:67c:28cc::12	ns01.no.brand.one.com ns01.no.brand.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.no.brand.one.com	185.10.11.12 2001:67c:3c0::12	ns02.no.brand.one.com ns02.no.brand.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.37.38.109	3600s	webcluster2.webpod1-osl1.one.com	AS51468	One.com A/S	104.37.32.0/21	🇳🇴 Norway	Oslo

📧 MX Records#

1 records 73ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	10800s	sortland.celko.no	81.167.32.222	81.167.32.222.static.lyse.net	AS29695 Lyse Tele

🔷 AAAA Records (IPv6)#

1 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:7:100:80d4:a2c2:fea9:e9d8	3600s	—	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 168ms

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#

146ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026062601
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

52ms

73ms

AAAA

45ms

TXT

168ms

CAA

57ms

HTTPS

61ms

TLSA

63ms

SOA

0ms

MTA-STS

76ms

DNSSEC

146ms

SRV

83ms

Total

787ms

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