coolbits.dk
Last scanned: 2026-07-01 23:47:45  ·  723ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   56ms
NameserverIP addressesPTRASN / ISP
ns1.softlayer.com 2607:f0d0:0:f:1::1
67.228.254.4		 ns1.softlayer.com
4.fe.e443.ip4.static.sl-reverse.com		 AS36351 IBM Cloud
AS36351 IBM Cloud
ns2.softlayer.com 2607:f0d0:0:f:2::1
67.228.255.5		 ns2.softlayer.com
5.ff.e443.ip4.static.sl-reverse.com		 AS36351 IBM Cloud
AS36351 IBM Cloud
🌍 A Records1 records   89ms
IPTTLPTRASNISP / OrgCIDRCountryCity
155.248.239.225 86400s — AS31898 Oracle Corporation 155.248.192.0/18 🇨🇦 Canada Montreal
📧 MX Records2 records   43ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s mail1.coolbits.dk 155.248.239.225 — AS31898 Oracle Corporation
20 86400s mail2.coolbits.dk 155.248.239.225 — AS31898 Oracle Corporation
🔷 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)
🔐 DNSSEC109ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA41ms
FieldValue
Serial2025032608
Primary NS (MNAME)ns1.softlayer.com
Responsible (RNAME)root@coolbits.dk
Refresh7200s
Retry600s
Expire1728000s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
56ms
A
89ms
MX
43ms
AAAA
72ms
TXT
252ms
CAA
57ms
HTTPS
102ms
TLSA
100ms
SOA
41ms
MTA-STS
63ms
DNSSEC
109ms
SRV
103ms
Total
723ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-01 23:47:45 723ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-16 22:16:54 758ms 2 NS 1 A 2 MX 🔓 Insecure View
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