open.dk
Last scanned: 2026-09-04 08:57:05  ·  510ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   30ms
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   26ms
IPTTLPTRASNISP / OrgCIDRCountryCity
92.205.1.133 600s 133.1.205.92.host.secureserver.net AS21499 Host Europe GmbH 92.205.0.0/19 🇫🇷 France Strasbourg
📧 MX Records1 records   24ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mail.open.dk 92.205.1.133 133.1.205.92.host.secureserver.net AS21499 Host Europe GmbH
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover92.205.1.133
🔶 Autoconfig92.205.1.133
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   137ms
TXT Record
v=spf1 include:_spf.google.com ~all
✉️ SPF
PolicyRecord (open.dk)
~all (soft fail) v=spf1 include:_spf.google.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)
🔐 DNSSEC94ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026090101
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
30ms
A
26ms
MX
24ms
AAAA
31ms
TXT
137ms
CAA
29ms
HTTPS
28ms
TLSA
91ms
SOA
0ms
MTA-STS
49ms
DNSSEC
94ms
SRV
44ms
Total
510ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-04 08:57:05 510ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 20:51:22 755ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 02:51:17 728ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-03 19:50:43 2929ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-28 04:08:10 778ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-23 01:24:03 4742ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 11:41:46 2786ms 2 NS 1 A 1 MX 🔒 Secure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone