cls.dk
Last scanned: 2026-08-27 21:25:05  ·  724ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   62ms
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
🌍 A Records
🌍
No A records found
📧 MX Records1 records   37ms
PriorityTTLMail ServerIP addressesPTRASN
1 600s smtp.google.com 142.250.150.26
142.250.150.27
142.251.1.26
142.251.1.27
2a00:1450:4010:c1c::1a
2a00:1450:4010:c1c::1b
2a00:1450:4010:c1e::1a
2a00:1450:4010:c1e::1b
64.233.162.26		 la-in-f26.1e100.net
la-in-f27.1e100.net
lb-in-f26.1e100.net
lb-in-f27.1e100.net
la-in-f26.1e100.net
la-in-f27.1e100.net
lb-in-f26.1e100.net
lb-in-f27.1e100.net
li-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
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)
🔐 DNSSEC135ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2026082704
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
62ms
A
68ms
MX
37ms
AAAA
72ms
TXT
182ms
CAA
75ms
HTTPS
75ms
TLSA
81ms
SOA
0ms
MTA-STS
87ms
DNSSEC
135ms
SRV
84ms
Total
724ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 21:25:05 724ms 3 NS 0 A 1 MX 🔓 Insecure View
2026-08-27 18:23:16 551ms 3 NS 0 A 1 MX 🔓 Insecure View
2026-08-26 17:17:23 174ms 1 NS 0 A 0 MX ❓ Unknown View
2026-08-24 19:39:10 191ms 1 NS 0 A 0 MX ❓ Unknown View
2026-08-23 17:39:54 773ms 1 NS 0 A 0 MX ❓ Unknown View
2026-08-22 15:43:44 758ms 1 NS 0 A 0 MX ❓ Unknown View
2026-08-21 15:18:12 9047ms 1 NS 0 A 0 MX ❓ Unknown View
2026-08-20 15:07:39 5052ms 1 NS 0 A 0 MX ❓ Unknown View
2026-08-19 05:09:40 1415ms 1 NS 0 A 0 MX ❓ Unknown View
2026-08-17 13:21:20 892ms 1 NS 0 A 0 MX ❓ Unknown View
2026-08-16 08:49:45 837ms 1 NS 0 A 0 MX ❓ Unknown View
2026-08-15 08:42:30 2616ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-29 18:04:02 866ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-27 06:56:57 799ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-26 06:47:29 679ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-25 06:34:08 726ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-24 05:57:26 674ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-23 04:37:19 825ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-21 14:47:09 732ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-19 17:17:57 960ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-18 13:47:36 13745ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-16 22:59:35 617ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-13 23:08:00 655ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-12 13:57:40 16722ms 1 NS 0 A 0 MX ❓ Unknown View
2026-07-10 18:15:27 826ms 1 NS 0 A 0 MX ❓ Unknown View
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