helmholt-support.dk
Last scanned: 2026-08-28 10:31:57  ·  715ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   29ms
NameserverIP addressesPTRASN / ISP
ns1.curanet.dk 185.25.141.12
2a02:2339:4006:108::123		 ns1.curanet.dk
ns1.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.curanet.dk 2a02:2339:1:10f::123:123
91.197.248.75		 ns2.curanet.dk
ns2.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
🌍 A Records1 records   46ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.32.65.33 3600s www.resennet.dk AS3292 TDC Holding A/S 193.32.65.0/24 🇩🇰 Denmark —
📧 MX Records3 records   42ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s scanner01.resennet.dk 193.32.65.29 scanner01.resennet.dk AS3292 TDC Holding A/S
20 3600s scanner02.resennet.dk 193.32.65.29 scanner01.resennet.dk AS3292 TDC Holding A/S
30 3600s scanner03.resennet.dk 193.32.65.29 scanner01.resennet.dk AS3292 TDC Holding A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   153ms
TXT Record
v=spf1 include:_spf.resennet.dk ip4:195.215.244.234 ip4:195.215.244.237 include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (helmholt-support.dk)
-all (hard fail) v=spf1 include:_spf.resennet.dk ip4:195.215.244.234 ip4:195.215.244.237 include:spf.protection.outlook.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)
🔐 DNSSEC95ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2025090101
Primary NS (MNAME)ns1.curanet.dk
Responsible (RNAME)hostmaster@curanet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
29ms
A
46ms
MX
42ms
AAAA
47ms
TXT
153ms
CAA
47ms
HTTPS
47ms
TLSA
80ms
SOA
0ms
MTA-STS
63ms
DNSSEC
95ms
SRV
69ms
Total
715ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 10:31:57 715ms 2 NS 1 A 3 MX 🔒 Secure View
2026-07-26 17:31:11 24963ms 2 NS 1 A 3 MX 🔒 Secure View
2026-07-21 04:39:29 16825ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-17 11:10:45 728ms 2 NS 1 A 3 MX 🔒 Secure View
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