hydrabooks.dk
Last scanned: 2026-06-23 18:20:20  ·  1053ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   26ms
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   77ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.100.105.193 65037s 91.100.105.193.generic-hostname.arrownet.dk AS15516 DKTV A/S 91.100.0.0/15 🇩🇰 Denmark Ballerup Municipality
📧 MX Records2 records   66ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s mail.nathue.dk 142.132.188.141 mail.nathue.dk AS24940 Hetzner Online GmbH
15 86400s smtp.nathue.dk 142.132.188.141 mail.nathue.dk AS24940 Hetzner Online GmbH
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   270ms
TXT Record
v=spf1 mx ip4:142.132.188.141 ip4:80.71.130.71 ip4:77.33.126.180 -all
✉️ SPF
PolicyRecord (hydrabooks.dk)
-all (hard fail) v=spf1 mx ip4:142.132.188.141 ip4:80.71.130.71 ip4:77.33.126.180 -all
📨 DMARC
PolicyRecord (_dmarc.hydrabooks.dk)
p=quarantine v=DMARC1; p=quarantine; pct=100;
📬 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)
🔐 DNSSEC106ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA77ms
FieldValue
Serial2026052601
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
26ms
A
77ms
MX
66ms
AAAA
52ms
TXT
270ms
CAA
61ms
HTTPS
104ms
TLSA
169ms
SOA
77ms
MTA-STS
83ms
DNSSEC
106ms
SRV
126ms
Total
1053ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-23 18:20:20 1053ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-23 12:24:17 1009ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-17 14:25:26 24085ms 3 NS 1 A 2 MX 🔓 Insecure View
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