letbio.dk
Last scanned: 2026-08-28 10:25:09  ·  9560ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   64ms
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   64ms
IPTTLPTRASNISP / OrgCIDRCountryCity
78.31.252.23 300s smtp.mailpro.dk AS204151 EWII Bredbaand A/S 78.31.252.0/22 🇩🇰 Denmark Aalborg
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover78.31.252.23
🔶 Autoconfig78.31.252.23
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   354ms
TXT Record
google-site-verification=0KitRaMQ6VcSmIMZxYx6coCy8puhG2F5o-dXHkk1wuM
✉️ 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)
🔐 DNSSEC9089ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026082803
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
64ms
A
64ms
MX
64ms
AAAA
78ms
TXT
354ms
CAA
66ms
HTTPS
59ms
TLSA
103ms
SOA
0ms
MTA-STS
88ms
DNSSEC
9089ms
SRV
146ms
Total
9560ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 10:25:09 9560ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-07-06 04:21:34 2014ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-06-25 02:59:26 701ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-06-24 16:49:51 681ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-06-21 09:33:20 438ms 3 NS 1 A 0 MX 🔓 Insecure View
2026-06-17 13:22:25 1633ms 3 NS 1 A 0 MX 🔓 Insecure View
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