defencecollege.dk
Last scanned: 2026-08-27 17:27:33  ·  9568ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   54ms
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   64ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.47.247.18 600s one.com.webforward.g1i.one AS51468 One.com A/S 195.47.247.0/24 — —
📧 MX Records1 records   57ms
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   213ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (defencecollege.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.defencecollege.dk)
p=reject v=DMARC1; p=reject; sp=reject; rua=mailto:dmarc@fak.dk;
📬 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)
🔐 DNSSEC9098ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081201
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
54ms
A
64ms
MX
57ms
AAAA
56ms
TXT
213ms
CAA
60ms
HTTPS
49ms
TLSA
40ms
SOA
0ms
MTA-STS
69ms
DNSSEC
9098ms
SRV
76ms
Total
9568ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 17:27:33 9568ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-12 21:30:55 8525ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-19 12:29:29 595ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-15 18:09:39 757ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-08 17:20:43 621ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-04 15:37:00 2848ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 05:55:46 631ms 2 NS 1 A 1 MX ⚠️ Bogus View
2026-06-23 01:22:33 488ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 01:51:12 1203ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-17 01:31:24 441ms 2 NS 1 A 0 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone