seniorkurser.dk
Last scanned: 2026-08-20 21:31:00  ·  24812ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   93ms
NameserverIP addressesPTRASN / ISP
ns1.nhl-data.dk 185.136.96.11
2a06:fb00:1::1:11		 ns1.nhl-data.dk
ns1.nhl-data.dk		 AS203391 Cloud DNS Ltd
AS203391 Cloud DNS Ltd
ns2.nhl-data.dk 185.136.97.11
2a06:fb00:1::2:11		 ns2.nhl-data.dk
ns2.nhl-data.dk		 AS203391 Cloud DNS Ltd
AS203391 Cloud DNS Ltd
ns3.nhl-data.dk 185.136.98.11
2a06:fb00:1::3:11		 ns3.nhl-data.dk
ns3.nhl-data.dk		 AS203391 Cloud DNS Ltd
AS203391 Cloud DNS Ltd
ns4.nhl-data.dk 185.136.99.11
2a06:fb00:1::4:11		 ns4.nhl-data.dk
ns4.nhl-data.dk		 AS203391 Cloud DNS Ltd
AS203391 Cloud DNS Ltd
🌍 A Records2 records   143ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.206.180.167 3600s 42.http-proxy2.cloudns.net AS205787 Public Cloud Ltd. 185.206.180.0/22 🇩🇪 Germany —
185.206.180.185 3600s 185.http4.cloudns.net AS205787 Public Cloud Ltd. 185.206.180.0/22 🇩🇪 Germany —
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)2 records   141ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a0b:1640:1:1:1013:1:1:1 3600s 185.http4.cloudns.net AS205787 Public Cloud Ltd. 2a0b:1640:1:0:0:0:0:0/48 🇧🇬 Bulgaria —
2a0b:1640:1:1:1:1:1783:3454 3600s http-proxy2.cloudns.net AS205787 Public Cloud Ltd. 2a0b:1640:1:0:0:0:0:0/48 🇧🇬 Bulgaria —
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   646ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (seniorkurser.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.seniorkurser.dk)
p=reject v=DMARC1; p=reject; rua=mailto:6478803f1926b@dmarc.centerasecurity.com;
📬 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)
🔐 DNSSEC8083ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA8095ms
FieldValue
Serial2026081301
Primary NS (MNAME)ns1.nhl-data.dk
Responsible (RNAME)hostmaster@nhl-data.dk
Refresh10800s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
93ms
A
143ms
MX
153ms
AAAA
141ms
TXT
646ms
CAA
162ms
HTTPS
8089ms
TLSA
199ms
SOA
8095ms
MTA-STS
160ms
DNSSEC
8083ms
SRV
182ms
Total
24812ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-20 21:31:00 24812ms 4 NS 2 A 0 MX 🔒 Secure View
2026-08-15 01:34:02 1250ms 4 NS 2 A 0 MX 🔒 Secure View
2026-07-25 19:27:55 8627ms 4 NS 2 A 0 MX 🔒 Secure View
2026-07-06 22:43:33 1352ms 4 NS 2 A 0 MX 🔒 Secure View
2026-06-24 03:25:45 4119ms 4 NS 2 A 0 MX 🔒 Secure View
2026-06-23 02:59:49 1182ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 12:20:25 585ms 4 NS 2 A 0 MX 🔒 Secure View
2026-06-17 12:08:53 785ms 4 NS 2 A 0 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone