guttenberg.dk
Last scanned: 2026-06-26 14:03:53  ·  1678ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   263ms
NameserverIP addressesPTRASN / ISP
ns1.onwelcom.dk 185.51.79.241 mail.onwelcom.dk AS205984 Powernet Aps
ns2.onwelcom.dk 185.51.79.251 — AS205984 Powernet Aps
🌍 A Records1 records   244ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.190.31.86 86400s — AS211040 MS 2001 Aps 195.190.31.0/24 🇩🇰 Denmark —
📧 MX Records2 records   219ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s mailfilter.onwelcom.dk 185.51.79.248 mailfilter.powernet.dk AS205984 Powernet Aps
20 86400s mx2.onwelcom.dk 185.51.79.248 mailfilter.powernet.dk AS205984 Powernet Aps
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   624ms
TXT Record
v=spf1 a ip4:185.51.79.241 ip4:195.190.31.0/24 a:mail.onwelcom.dk mx ~all
✉️ SPF
PolicyRecord (guttenberg.dk)
~all (soft fail) v=spf1 a ip4:185.51.79.241 ip4:195.190.31.0/24 a:mail.onwelcom.dk mx ~all
📨 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)
🔐 DNSSEC554ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA237ms
FieldValue
Serial2016061501
Primary NS (MNAME)ns1.onwelcom.dk
Responsible (RNAME)hostmaster@guttenberg.dk
Refresh3600s
Retry600s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
263ms
A
244ms
MX
219ms
AAAA
219ms
TXT
624ms
CAA
219ms
HTTPS
211ms
TLSA
210ms
SOA
237ms
MTA-STS
261ms
DNSSEC
554ms
SRV
363ms
Total
1678ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-26 14:03:53 1678ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-21 14:45:14 472ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-21 10:01:38 1818ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-20 17:45:52 1133ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 01:53:34 1076ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-17 10:15:24 2213ms 2 NS 1 A 2 MX 🔓 Insecure View
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