kastell.dk
Last scanned: 2026-08-27 04:09:26  ·  542ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   53ms
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   66ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.103.135 43200s linux125.unoeuro.com AS48854 team.blue Denmark A/S 94.231.96.0/20 🇩🇰 Denmark —
📧 MX Records1 records   52ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s aspmx.l.google.com 2a00:1450:4010:c03::1b
2a00:1450:4010:c03::1b
64.233.164.27		 lr-in-x1b.1e100.net
lr-in-f27.1e100.net
lf-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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)
🔐 DNSSEC103ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2022061802
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
53ms
A
66ms
MX
52ms
AAAA
66ms
TXT
161ms
CAA
47ms
HTTPS
39ms
TLSA
43ms
SOA
0ms
MTA-STS
80ms
DNSSEC
103ms
SRV
71ms
Total
542ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 04:09:26 542ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-25 11:11:52 541ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-24 05:40:48 1122ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 14:01:50 1589ms 4 NS 1 A 1 MX 🔒 Secure View
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