crono.dk
Last scanned: 2026-08-26 12:28:49  ·  640ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   26ms
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   29ms
IPTTLPTRASNISP / OrgCIDRCountryCity
4.165.129.85 1500s — AS8075 Microsoft Corporation 4.160.0.0/11 🇸🇪 Sweden —
📧 MX Records1 records   30ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover4.165.129.85
🔶 Autoconfig4.165.129.85
🔷 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)
🔐 DNSSEC95ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082501
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
26ms
A
29ms
MX
30ms
AAAA
27ms
TXT
136ms
CAA
28ms
HTTPS
24ms
TLSA
227ms
SOA
0ms
MTA-STS
41ms
DNSSEC
95ms
SRV
54ms
Total
640ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 12:28:49 640ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-24 04:03:33 2726ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-13 05:00:34 681ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-06 05:35:34 775ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-24 06:33:19 16756ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-02 15:19:36 2387ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 23:01:50 519ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 02:24:06 2577ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-24 14:01:55 1112ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-22 23:11:44 1188ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 21:01:52 947ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 00:32:27 65535ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-16 23:10:51 1192ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-16 23:09:14 464ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-16 23:00:19 599ms 2 NS 1 A 0 MX 🔒 Secure View
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