claus-c.dk
Last scanned: 2026-08-27 10:21:55  ·  1052ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   75ms
NameserverIP addressesPTRASN / ISP
ns1.blackhost.dk 95.179.132.153 ns1.fairhost.net AS20473 The Constant Company, LLC
ns2.blackhost.dk 108.61.173.235 ns2.blackhost.dk AS20473 The Constant Company, LLC
🌍 A Records1 records   61ms
IPTTLPTRASNISP / OrgCIDRCountryCity
157.90.215.201 600s cp10.fairhost.net AS24940 Hetzner Online GmbH 157.90.0.0/16 🇩🇪 Germany Falkenstein
📧 MX Records2 records   63ms
PriorityTTLMail ServerIP addressesPTRASN
0 600s claus-c.dk 157.90.215.201 cp10.fairhost.net AS24940 Hetzner Online GmbH
100 600s smx.blackhost.dk 108.61.196.96 smx.blackhost.dk AS20473 The Constant Company, LLC
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover157.90.215.201
🔶 Autoconfig157.90.215.201
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   122ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net
📝 TXT Records1 records   365ms
TXT Record
v=spf1 +a +mx +ip4:157.90.215.201 +ip4:148.251.117.38 +include:spf1.mailchannels.net +include:relay.mailchannels.net ~all
✉️ SPF
PolicyRecord (claus-c.dk)
~all (soft fail) v=spf1 +a +mx +ip4:157.90.215.201 +ip4:148.251.117.38 +include:spf1.mailchannels.net +include:relay.mailchannels.net ~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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.claus-c.dk TrlaP0say_x6M6D-LDUZOqHnm4Cvhq4DVvZbH8xKU2k
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC104ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026080301
Primary NS (MNAME)ns1.blackhost.dk
Responsible (RNAME)hostmaster@blackhost.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
75ms
A
61ms
MX
63ms
AAAA
59ms
TXT
365ms
CAA
68ms
HTTPS
73ms
TLSA
119ms
SOA
0ms
MTA-STS
93ms
DNSSEC
104ms
SRV
122ms
Total
1052ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 10:21:55 1052ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-08-06 10:12:54 1251ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-07-30 02:54:11 9833ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-27 16:24:26 2121ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-16 21:06:09 719ms 2 NS 1 A 2 MX 🔓 Insecure View
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