linuxen.dk
Last scanned: 2026-06-17 23:40:28  ·  1842ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   126ms
NameserverIP addressesPTRASN / ISP
helium.ns.hetzner.de 193.47.99.5
2001:67c:192c::add:5		 helium.ns.hetzner.de
helium.ns.hetzner.de		 AS12337 noris network AG
AS12337 noris network AG
hydrogen.ns.hetzner.com 213.133.100.98
2a01:4f8:0:1::add:1098		 hydrogen.ns.hetzner.com
hydrogen.ns.hetzner.com		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
oxygen.ns.hetzner.com 2a01:4f8:0:1::add:2992
88.198.229.192		 oxygen.ns.hetzner.com
oxygen.ns.hetzner.com		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
🌍 A Records1 records   82ms
IPTTLPTRASNISP / OrgCIDRCountryCity
80.240.20.172 — 80.240.20.172.vultrusercontent.com AS20473 The Constant Company, LLC 80.240.16.0/20 🇩🇪 Germany Frankfurt am Main
📧 MX Records1 records   124ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mail.linuxen.dk 80.240.20.172 80.240.20.172.vultrusercontent.com AS20473 The Constant Company, LLC
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   263ms
TXT Record
v=spf1 a mx ip4:80.240.20.172 ~all
✉️ SPF
PolicyRecord (linuxen.dk)
~all (soft fail) v=spf1 a mx ip4:80.240.20.172 ~all
📨 DMARC
PolicyRecord (_dmarc.linuxen.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)
🔐 DNSSEC115ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA73ms
FieldValue
Serial2026041400
Primary NS (MNAME)hydrogen.ns.hetzner.com
Responsible (RNAME)dns@hetzner.com
Refresh86400s
Retry10800s
Expire3600000s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
126ms
A
82ms
MX
124ms
AAAA
110ms
TXT
263ms
CAA
123ms
HTTPS
127ms
TLSA
1218ms
SOA
73ms
MTA-STS
71ms
DNSSEC
115ms
SRV
141ms
Total
1842ms
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