rtsk.dk
📜 Historical scan 2026-06-19 09:17:21  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   103ms
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 Records
📧
No MX records found
🔷 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)
🔐 DNSSEC206ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA97ms
FieldValue
Serial2026061801
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
103ms
A
99ms
MX
113ms
AAAA
107ms
TXT
713ms
CAA
91ms
HTTPS
106ms
TLSA
28ms
SOA
97ms
MTA-STS
58ms
DNSSEC
206ms
SRV
244ms
Total
920ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-04 09:33:19 1464ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-03 01:34:11 667ms 3 NS 1 A 1 MX 🔒 Secure View
2026-07-03 01:04:22 5966ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-27 20:55:02 1155ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-21 09:48:33 653ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-20 07:29:52 851ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-19 09:17:21 920ms 3 NS 0 A 0 MX 🔒 Secure View
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