helsekurser.dk
Last scanned: 2026-08-26 14:15:49  ·  1139ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   43ms
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   671ms
IPTTLPTRASNISP / OrgCIDRCountryCity
93.191.156.4 3599s linux170.unoeuro.com AS48854 team.blue Denmark A/S 93.191.152.0/21 🇩🇰 Denmark —
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover93.191.156.4
🔶 Autoconfig93.191.156.4
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   137ms
TXT Record
v=spf1 a mx include:spf.simply.com ~all
✉️ SPF
PolicyRecord (helsekurser.dk)
~all (soft fail) v=spf1 a mx include:spf.simply.com ~all
📨 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)
🔐 DNSSEC84ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2020072990
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
43ms
A
671ms
MX
51ms
AAAA
36ms
TXT
137ms
CAA
43ms
HTTPS
45ms
TLSA
36ms
SOA
0ms
MTA-STS
57ms
DNSSEC
84ms
SRV
71ms
Total
1139ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 14:15:49 1139ms 4 NS 1 A 0 MX 🔒 Secure View
2026-08-25 15:53:13 429ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-22 13:51:37 638ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-17 11:21:15 657ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-17 11:17:59 687ms 4 NS 1 A 0 MX 🔒 Secure View
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