cetus.dk
Last scanned: 2026-06-25 20:40:07  ·  590ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   38ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S
🌍 A Records1 records   42ms
IPTTLPTRASNISP / OrgCIDRCountryCity
135.181.154.166 3600s omega.kjen.dk AS24940 Hetzner Online GmbH 135.181.0.0/16 🇫🇮 Finland Helsinki
📧 MX Records1 records   43ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s cetus.dk 135.181.154.166 omega.kjen.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 Records2 records   83ms
TXT Record
google-site-verification=hpGNt24f-5NsJnEMPJaAB4bPTzj6Gk2Y34j0ZHA7ypw
v=spf1 mx:cetus.dk -all
✉️ SPF
PolicyRecord (cetus.dk)
-all (hard fail) v=spf1 mx:cetus.dk -all
📨 DMARC
PolicyRecord (_dmarc.cetus.dk)
p=quarantine v=DMARC1; p=quarantine; pct=100; rua=mailto:postmaster@cetus.dk
📬 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)
🔐 DNSSEC109ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA38ms
FieldValue
Serial2026021102
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
38ms
A
42ms
MX
43ms
AAAA
40ms
TXT
83ms
CAA
36ms
HTTPS
38ms
TLSA
179ms
SOA
38ms
MTA-STS
41ms
DNSSEC
109ms
SRV
43ms
Total
590ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-25 20:40:07 590ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-22 08:50:14 1144ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 11:12:48 851ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-19 20:10:04 823ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-16 20:10:35 511ms 4 NS 1 A 1 MX 🔒 Secure View
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