h2oblock.dk
Last scanned: 2026-08-31 20:56:14  ·  2547ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers5 records   60ms
NameserverIP addressesPTRASN / ISP
ns-1.dcmediahosting.com 91.99.51.123 ns-1.dcmediahosting.com AS24940 Hetzner Online GmbH
ns-2.dcmediahosting.com 78.46.248.73 ns-2.dcmediahosting.com AS24940 Hetzner Online GmbH
ns-3.dcmediahosting.com 78.46.248.73 ns-2.dcmediahosting.com AS24940 Hetzner Online GmbH
ns-4.dcmediahosting.com 91.99.51.123 ns-1.dcmediahosting.com AS24940 Hetzner Online GmbH
ns-5.dcmediahosting.com 78.46.248.73 ns-2.dcmediahosting.com AS24940 Hetzner Online GmbH
🌍 A Records1 records   61ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.4.60.141 86400s hz01.t3cms.dk AS24940 Hetzner Online GmbH 46.4.0.0/16 🇩🇪 Germany Falkenstein
📧 MX Records2 records   64ms
PriorityTTLMail ServerIP addressesPTRASN
5 86400s aspmx.l.google.com 173.194.222.27
2a00:1450:4010:c08::1b
2a00:1450:4010:c08::1b		 lo-in-f27.1e100.net
lg-in-f27.1e100.net
lg-in-x1b.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
10 86400s alt1.aspmx.l.google.com 192.178.158.27
2404:6800:4013:813::1a		 lcdels-in-f27.1e100.net
lcdels-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover46.4.60.141
🔶 Autoconfig46.4.60.141
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   356ms
TXT Record
google-site-verification=j6oFBobQVXGThC-Apex0Nd3hhMslOtqb7qhXD3vyE0o
v=spf1 ip4:46.4.60.141 ip4:81.27.222.84 ip4:195.242.130.82 ip4:185.121.173.20 a mx include:u1787805.wl056.sendgrid.net include:_spf.dcmediahosting.com ~all
✉️ SPF
PolicyRecord (h2oblock.dk)
~all (soft fail) v=spf1 ip4:46.4.60.141 ip4:81.27.222.84 ip4:195.242.130.82 ip4:185.121.173.20 a mx include:u1787805.wl056.sendgrid.net include:_spf.dcmediahosting.com ~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)
🔐 DNSSEC2079ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2020051418
Primary NS (MNAME)ns-1.dcmediahosting.com
Responsible (RNAME)jakob@t3cms.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
60ms
A
61ms
MX
64ms
AAAA
58ms
TXT
356ms
CAA
57ms
HTTPS
53ms
TLSA
102ms
SOA
0ms
MTA-STS
99ms
DNSSEC
2079ms
SRV
120ms
Total
2547ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 20:56:14 2547ms 5 NS 1 A 2 MX 🔓 Insecure View
2026-06-24 17:51:15 1246ms 5 NS 1 A 2 MX 🔓 Insecure View
2026-06-17 10:15:09 2581ms 5 NS 1 A 2 MX 🔓 Insecure View
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