openion.dk
Last scanned: 2026-08-12 09:49:58  ·  838ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   53ms
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   30ms
IPTTLPTRASNISP / OrgCIDRCountryCity
91.221.196.202 600s — AS51468 One.com A/S 91.221.196.0/23 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   27ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s openion.dk 91.221.196.202 — AS51468 One.com A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoveropenion.dk → 91.221.196.202
🔶 Autoconfigopenion.dk → 91.221.196.202
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.openion.dk openion.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC87ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081101
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
53ms
A
30ms
MX
27ms
AAAA
32ms
TXT
164ms
CAA
51ms
HTTPS
55ms
TLSA
55ms
SOA
0ms
MTA-STS
60ms
DNSSEC
87ms
SRV
60ms
Total
838ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-12 09:49:58 838ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-19 07:09:43 895ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-16 09:53:43 739ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 19:37:12 658ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 04:31:01 2719ms 2 NS 1 A 1 MX 🔒 Secure View
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