cybersikkerhed.dk
Last scanned: 2026-08-28 18:14:10  ·  1593ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   27ms
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   25ms
IPTTLPTRASNISP / OrgCIDRCountryCity
80.248.139.139 43200s mail.mandrupsen.dk AS216275 Netnoerden ApS 80.248.138.0/23 🇩🇰 Denmark —
📧 MX Records1 records   25ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s cybersikkerhed.dk 80.248.139.139 mail.mandrupsen.dk AS216275 Netnoerden ApS
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   98ms
TXT Record
v=spf1 ip4:80.248.139.139 ip6:2a13:e744:aeec::/48 -all
✉️ SPF
PolicyRecord (cybersikkerhed.dk)
-all (hard fail) v=spf1 ip4:80.248.139.139 ip6:2a13:e744:aeec::/48 -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)
🔐 DNSSEC97ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082703
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
27ms
A
25ms
MX
25ms
AAAA
26ms
TXT
98ms
CAA
28ms
HTTPS
30ms
TLSA
1200ms
SOA
0ms
MTA-STS
36ms
DNSSEC
97ms
SRV
40ms
Total
1593ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 18:14:10 1593ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-27 14:28:00 539ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-12 21:18:07 753ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-10 04:29:57 5470ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-17 23:18:26 614ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-13 06:50:49 609ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-28 03:54:39 616ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 23:25:57 528ms 2 NS 1 A 1 MX 🔒 Secure View
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