c-b.dk

📜 Historical scan 2026-06-16 18:40:48 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

c-b.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 30 September 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.129 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod4-cph3.one.com, mx2.pub.mailpod4-cph3.one.com and 1 more. The zone is DNSSEC-signed and validates, 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 66ms

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

🌍 A Records#

1 records 70ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.129	—	webcluster1.webpod17-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

3 records 71ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.pub.mailpod4-cph3.one.com	185.164.14.38	mx1.pub.mailpod4-cph3.one.com	AS51468 One.com A/S
10	—	mx2.pub.mailpod4-cph3.one.com	185.164.14.39	mx2.pub.mailpod4-cph3.one.com	AS51468 One.com A/S
10	—	mx3.pub.mailpod4-cph3.one.com	185.164.14.40	mx3.pub.mailpod4-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

1 records 64ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:106:c:9277:f05a:4193	—	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 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 2026-10-09 03:50:21

www	46.30.215.129 2a02:2350:5:106:c:9277:f05a:4193 (AS51468) (address records, no CNAME)
www vs bare domain	Same network c-b.dk: 46.30.215.129 2a02:2350:5:106:c:9277:f05a:4193 (AS51468) www.c-b.dk: 46.30.215.129 2a02:2350:5:106:c:9277:f05a:4193 (AS51468)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

3 records 79ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod4-cph3.one.com	DANE-EE · SPKI · SHA-256	3CD1D5B4EDAC2BB288B196C074B1A2B1…
SMTP _25._tcp.mx2.pub.mailpod4-cph3.one.com	DANE-EE · SPKI · SHA-256	3CD1D5B4EDAC2BB288B196C074B1A2B1…
SMTP _25._tcp.mx3.pub.mailpod4-cph3.one.com	DANE-EE · SPKI · SHA-256	3CD1D5B4EDAC2BB288B196C074B1A2B1…

🔐 DNSSEC#

181ms

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

🏷️ SOA#

65ms

Field	Value
Serial	2026060101
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 2026-10-04 03:50:29

Field	Value
Registrar	ONE.COM A/S
Registered	2013-09-30
Expires	2027-09-30 (347d)

📋 WHOIS#

⏱️ Lookup Timing#

66ms

70ms

71ms

AAAA

64ms

TXT

178ms

CAA

68ms

HTTPS

64ms

TLSA

79ms

SOA

65ms

MTA-STS

112ms

DNSSEC

181ms

SRV

0ms

Total

636ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 03:11:22	845ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-30 02:58:13	546ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-24 02:07:10	1491ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-06 05:41:26	677ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-07 22:37:51	976ms	2 NS 1 A 4 MX	🔒 Secure
2026-07-24 15:31:29	894ms	2 NS 1 A 4 MX	🔒 Secure
2026-07-23 13:35:37	10758ms	2 NS 1 A 3 MX	🔒 Secure
2026-07-02 03:52:03	1338ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-21 08:18:00	1338ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-16 18:48:52	438ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-16 18:40:48 shown	636ms	2 NS 1 A 3 MX	🔒 Secure