2know.dk
📜 Historical scan 2026-07-02 06:42:42  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   37ms
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   41ms
IPTTLPTRASNISP / OrgCIDRCountryCity
119.119.119.119 600s — AS4837 CHINA UNICOM China169 Backbone 119.112.0.0/13 🇨🇳 China Shenyang
📧 MX Records1 records   36ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover2know.dk → 119.119.119.119
🔶 Autoconfig2know.dk → 119.119.119.119
🔷 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.2know.dk 2know.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC2054ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA35ms
FieldValue
Serial2026061001
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
37ms
A
41ms
MX
36ms
AAAA
35ms
TXT
189ms
CAA
46ms
HTTPS
38ms
TLSA
225ms
SOA
35ms
MTA-STS
52ms
DNSSEC
2054ms
SRV
53ms
Total
2779ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 02:35:43 2167ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 16:51:13 1140ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-10 15:31:08 1914ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-16 18:21:24 989ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-14 22:05:02 1019ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-02 06:42:42 2779ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-23 07:32:13 697ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 19:15:27 1112ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 01:04:01 622ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 12:48:07 499ms 2 NS 1 A 0 MX 🔒 Secure View
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