salgskursus.dk
Last scanned: 2026-08-20 05:43:09  ·  695ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   50ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   58ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.47.247.18 3600s one.com.webforward.g1i.one AS51468 One.com A/S 195.47.247.0/24 — —
📧 MX Records1 records   80ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover195.47.247.18
🔶 Autoconfig195.47.247.18
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   256ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (salgskursus.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.salgskursus.dk)
p=reject v=DMARC1; p=reject; rua=mailto:6597c839d86ee@dmarc-dk.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)
🔐 DNSSEC175ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081901
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
50ms
A
58ms
MX
80ms
AAAA
79ms
TXT
256ms
CAA
65ms
HTTPS
61ms
TLSA
34ms
SOA
0ms
MTA-STS
85ms
DNSSEC
175ms
SRV
108ms
Total
695ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-20 05:43:09 695ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-15 14:47:26 2237ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-16 09:50:22 9128ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-29 05:01:27 845ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-20 08:48:17 653ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-17 22:36:35 814ms 2 NS 1 A 4 MX 🔒 Secure View
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