0k.dk
Last scanned: 2026-06-26 16:43:09  ·  1614ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   229ms
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   212ms
IPTTLPTRASNISP / OrgCIDRCountryCity
87.52.111.109 4320s 0x57346f6d.static.cust.fastspeed.dk AS3292 TDC Holding A/S 87.48.0.0/13 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   216ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s mail.0k.dk — — —
🔷 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC336ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA229ms
FieldValue
Serial2026032401
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
229ms
A
212ms
MX
216ms
AAAA
221ms
TXT
408ms
CAA
213ms
HTTPS
225ms
TLSA
418ms
SOA
229ms
MTA-STS
243ms
DNSSEC
336ms
SRV
299ms
Total
1614ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-26 16:43:09 1614ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 22:32:02 460ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-23 08:12:18 903ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 12:33:32 1803ms 2 NS 1 A 1 MX 🔒 Secure View
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