sissa.dk
Last scanned: 2026-08-23 02:12:24  ·  3649ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   260ms
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   260ms
IPTTLPTRASNISP / OrgCIDRCountryCity
157.90.215.201 600s cp10.fairhost.net AS24940 Hetzner Online GmbH 157.90.0.0/16 🇩🇪 Germany Falkenstein
📧 MX Records2 records   255ms
PriorityTTLMail ServerIP addressesPTRASN
0 600s sissa.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   365ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net
📝 TXT Records1 records   730ms
TXT Record
v=spf1 +a +mx +ip4:157.90.215.201 +ip4:148.251.117.38 +ip4:62.210.7.110 +ip4:62.210.8.12 +include:spf1.mailchannels.net +include:relay.mailchannels.net ~all
✉️ SPF
PolicyRecord (sissa.dk)
~all (soft fail) v=spf1 +a +mx +ip4:157.90.215.201 +ip4:148.251.117.38 +ip4:62.210.7.110 +ip4:62.210.8.12 +include:spf1.mailchannels.net +include:relay.mailchannels.net ~all
📨 DMARC
PolicyRecord (_dmarc.sissa.dk)
p=none (monitor only) v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400
📬 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.sissa.dk h2sVn1yv98KNUDnpI_FtYVE4WI-smHA4L22pJVgqJY0
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC485ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026082202
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
260ms
A
260ms
MX
255ms
AAAA
203ms
TXT
730ms
CAA
283ms
HTTPS
299ms
TLSA
274ms
SOA
0ms
MTA-STS
326ms
DNSSEC
485ms
SRV
365ms
Total
3649ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-23 02:12:24 3649ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-08-07 19:00:57 17202ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-28 09:47:34 763ms 2 NS 1 A 2 MX 🔓 Insecure View
2026-06-18 06:51:55 1855ms 2 NS 1 A 2 MX 🔓 Insecure View
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