cbbt.dk

📜 Historical scan 2026-06-16 19:50:45  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cbbt.dk is a .dk domain served by 2 nameservers (ns3.hostworld.dk, ns4.hostworld.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.160.220.14 is hosted by IONOS SE (AS8560) in Germany. Mail is handled by cbbt-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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   101ms
NameserverIP addressesPTRASN / ISP
ns3.hostworld.dk — — —
ns4.hostworld.dk — — —

🌍 A Records#

1 records   81ms

📧 MX Records#

1 records   71ms

🔷 AAAA Records (IPv6)#

1 records   71ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:247a:256:2c00::1 — — AS8560 IONOS SE 2a02:2478:0:0:0:0:0:0/29 🇩🇪 Germany —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   196ms
TXT Record
v=spf1 +a +mx +ip4:217.160.220.14 +ip4:139.162.165.153 +include:spf.protection.outlook.com -all

✉️ SPF#

PolicyRecord (cbbt.dk)
-all (hard fail) v=spf1 +a +mx +ip4:217.160.220.14 +ip4:139.162.165.153 +include:spf.protection.outlook.com -all

📨 DMARC#

PolicyRecord (_dmarc.cbbt.dk)
p=none (monitor only) v=DMARC1; p=none;

📬 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 2026-10-10 12:29:00

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

169ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

73ms
FieldValue
Serial2026051101
Primary NS (MNAME)ns3.hostworld.dk
Responsible (RNAME)service@lignum.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
101ms
A
81ms
MX
71ms
AAAA
71ms
TXT
196ms
CAA
74ms
HTTPS
79ms
TLSA
133ms
SOA
73ms
MTA-STS
77ms
DNSSEC
169ms
SRV
0ms
Total
685ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 05:26:26 1048ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-20 19:00:54 2656ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-11 09:28:21 10182ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-08 22:28:38 1848ms 2 NS 1 A 1 MX 🔓 Insecure
2026-08-27 00:45:41 1198ms 2 NS 1 A 1 MX 🔓 Insecure
2026-07-09 01:47:45 3464ms 2 NS 1 A 1 MX 🔓 Insecure
2026-07-02 15:23:13 1668ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-25 00:50:21 921ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-24 07:22:12 1205ms 2 NS 1 A 1 MX ❓ Unknown
2026-06-16 19:50:45 shown 685ms 2 NS 1 A 1 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone