cb4.dk

📜 Historical scan 2026-06-16 19:50:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cb4.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 19 September 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 78.46.48.135 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.cb4.dk, hjp.systemofadown.dk. 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 58ms

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

🌍 A Records#

1 records 74ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
78.46.48.135	—	p96n37	AS24940	Hetzner Online GmbH	78.46.0.0/15	🇩🇪 Germany	Falkenstein

📧 MX Records#

2 records 71ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.cb4.dk	78.46.48.135	p96n37	AS24940 Hetzner Online GmbH
50	—	hjp.systemofadown.dk	185.109.66.162	—	AS24800 BornFiber Service Provider ApS

🔷 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 2026-10-08 10:48:50

www CNAME	cb4.dk (all on cb4.dk) → 78.46.48.135 (AS24940)
www vs bare domain	Same network cb4.dk: 78.46.48.135 (AS24940) www.cb4.dk: 78.46.48.135 (AS24940)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

174ms

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

🏷️ SOA#

64ms

Field	Value
Serial	2026030701
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 2026-10-01 05:46:52

Field	Value
Registrar	ONE.COM A/S
Registered	2007-09-19
Expires	2027-09-30 (348d)

📋 WHOIS#

⏱️ Lookup Timing#

58ms

74ms

71ms

AAAA

65ms

TXT

143ms

CAA

92ms

HTTPS

57ms

TLSA

81ms

SOA

64ms

MTA-STS

146ms

DNSSEC

174ms

SRV

0ms

Total

2605ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 10:36:30	1857ms	2 NS 1 A 2 MX	🔒 Secure
2026-10-01 05:41:35	1304ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-06 11:12:20	882ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-31 20:37:28	915ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-26 18:10:25	812ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-19 22:51:44	1015ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 19:50:30 shown	2605ms	2 NS 1 A 2 MX	🔒 Secure