costbits.dk

📜 Historical scan 2026-09-25 01:58:28 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

costbits.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 January 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by .. 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 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 2027ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	3598s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ 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 2026-10-24 16:08:21

www	195.47.247.18 (AS51468) (address records, no CNAME)
www vs bare domain	Same network costbits.dk: 195.47.247.18 (AS51468) www.costbits.dk: 195.47.247.18 (AS51468)
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#

78ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026090401
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 2026-10-16 15:43:15

Field	Value
Registrar	ONE.COM A/S
Registered	2022-01-05
Expires	2027-01-04 (70d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
njor.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

40ms

2027ms

35ms

AAAA

30ms

TXT

165ms

CAA

42ms

HTTPS

33ms

TLSA

30ms

SOA

0ms

MTA-STS

59ms

DNSSEC

78ms

SRV

63ms

Total

2324ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 16:08:21	3762ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-21 13:57:41	1400ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-06 02:43:12	560ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 02:18:19	449ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 01:58:28 shown	2324ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-07 07:01:53	401ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-05 19:46:42	557ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-06 05:20:08	617ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-01 08:28:28	675ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 19:34:36	1275ms	2 NS 0 A 4 MX	🔒 Secure
2026-06-24 00:58:38	3173ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-23 11:12:47	1158ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 14:34:52	3131ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-16 22:35:39	666ms	2 NS 1 A 4 MX	🔒 Secure