hdk.dk
Last scanned: 2026-08-26 06:35:53  ·  484ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   91ms
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 Records1 records   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.103.100 600s dnsforward.simply.com AS48854 team.blue Denmark A/S 94.231.96.0/20 🇩🇰 Denmark —
📧 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)
🔐 DNSSEC135ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2023111500
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
91ms
A
45ms
MX
70ms
AAAA
58ms
TXT
182ms
CAA
89ms
HTTPS
88ms
TLSA
31ms
SOA
0ms
MTA-STS
121ms
DNSSEC
135ms
SRV
106ms
Total
484ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 06:35:53 484ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-28 04:34:18 2408ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-27 21:00:40 512ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-22 21:23:19 642ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-20 07:36:36 705ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-17 10:59:54 458ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-17 10:57:17 629ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-17 10:56:58 644ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-17 10:56:38 898ms 3 NS 1 A 0 MX 🔒 Secure View
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