secondlevel.dk
📜 Historical scan 2026-06-26 18:54:40  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   202ms
🌍 A Records1 records   264ms
📧 MX Records1 records   184ms
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   577ms
TXT Record
v=spf1 include:relay.thundermail.uk ~all
✉️ SPF
PolicyRecord (secondlevel.dk)
~all (soft fail) v=spf1 include:relay.thundermail.uk ~all
📨 DMARC
PolicyRecord (_dmarc.secondlevel.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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC286ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA249ms
FieldValue
Serial2024092312
Primary NS (MNAME)ns1.thundercloud.uk
Responsible (RNAME)henrik@2ndlevel.dk
Refresh3600s
Retry1800s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
202ms
A
264ms
MX
184ms
AAAA
233ms
TXT
577ms
CAA
184ms
HTTPS
189ms
TLSA
300ms
SOA
249ms
MTA-STS
234ms
DNSSEC
286ms
SRV
292ms
Total
2142ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 02:41:10 1301ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-27 16:52:41 2377ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-26 18:54:40 2142ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 13:35:37 2148ms 2 NS 1 A 1 MX 🔓 Insecure View
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