3bo.dk

📜 Historical scan 2026-06-30 17:33:37  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

3bo.dk is a .dk domain served by 2 nameservers (cody.ns.cloudflare.com, crystal.ns.cloudflare.com). It was registered on 17 August 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.47.158 is hosted by Cloudflare, Inc. (AS13335). 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   32ms

🌍 A Records#

2 records   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.47.158 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.148.224 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   33ms

🔐 HTTPS Records#

1 records   31ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.47.158,172.67.148.224 ech=AEX+DQBBawAgACC//gmomLGEDblK4CWPAzKxT5TjTzdIwMEN3FZWimIQFQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:94e0,2606:4700:3037::6815:2f9e

📝 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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

65ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

33ms
FieldValue
Serial2406664147
Primary NS (MNAME)cody.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-17 00:47:10
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2021-08-17
Expires2027-08-31 (318d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
32ms
A
45ms
MX
40ms
AAAA
33ms
TXT
168ms
CAA
38ms
HTTPS
31ms
TLSA
49ms
SOA
33ms
MTA-STS
38ms
DNSSEC
65ms
SRV
62ms
Total
795ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-18 05:11:36 636ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-19 05:11:22 3193ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-17 17:35:05 1130ms 2 NS 2 A 0 MX 🔓 Insecure
2026-07-21 12:55:44 1539ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-30 17:33:37 shown 795ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-16 12:37:36 505ms 2 NS 2 A 0 MX 🔓 Insecure
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