bluechallenge.dk
Last scanned: 2026-08-19 23:26:05  ·  30631ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   94ms
NameserverIP addressesPTRASN / ISP
ns1.basejump.dk 93.167.198.71 — AS3292 TDC Holding A/S
ns2.basejump.dk 93.167.198.75 ns2.basejump.dk AS3292 TDC Holding A/S
🌍 A Records2 records   95ms
IPTTLPTRASNISP / OrgCIDRCountryCity
93.167.198.71 14400s — AS3292 TDC Holding A/S 93.166.0.0/15 🇩🇰 Denmark Albertslund
93.167.198.73 14400s — AS3292 TDC Holding A/S 93.166.0.0/15 🇩🇰 Denmark Albertslund
📧 MX Records1 records   91ms
PriorityTTLMail ServerIP addressesPTRASN
21 14400s mail.bluechallenge.dk 93.167.198.72 — AS3292 TDC Holding A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover93.167.198.71
🔶 Autoconfig93.167.198.73
🔷 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC161ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2009040202
Primary NS (MNAME)ns1.basejump.dk
Responsible (RNAME)hostmaster@bluechallenge.dk
Refresh3600s
Retry900s
Expire604800s
Minimum (neg-cache TTL)14400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
94ms
A
95ms
MX
91ms
AAAA
91ms
TXT
9814ms
CAA
92ms
HTTPS
87ms
TLSA
16120ms
SOA
0ms
MTA-STS
119ms
DNSSEC
161ms
SRV
1572ms
Total
30631ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-19 23:26:05 30631ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-08-18 22:20:38 14250ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-08-17 12:43:33 31073ms 2 NS 0 A 0 MX ❓ Unknown View
2026-07-27 12:13:27 34626ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-26 11:51:41 36827ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-07-17 18:21:02 34876ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-12 21:55:25 10805ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-11 19:36:28 20863ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-08 10:14:05 52238ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-04 22:40:44 12725ms 2 NS 2 A 1 MX ❓ Unknown View
2026-07-04 22:26:44 10288ms 2 NS 2 A 1 MX ❓ Unknown View
2026-07-03 20:47:47 28756ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-07-01 23:46:55 41115ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-16 15:08:36 10406ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-16 15:08:08 743ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-16 15:05:23 1881ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-16 15:00:20 2945ms 2 NS 2 A 1 MX 🔓 Insecure View
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