3-y.dk
Last scanned: 2026-08-28 07:36:58  ·  843ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   39ms
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   54ms
IPTTLPTRASNISP / OrgCIDRCountryCity
62.61.141.157 43200s 62.61.141.157.generic-hostname.arrownet.dk AS15516 DKTV A/S 62.61.128.0/19 🇩🇰 Denmark Køge
📧 MX Records2 records   63ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s libi.dk 46.30.211.38 domain-parking.one.com AS51468 One.com A/S
20 43200s klaas.dk 80.209.64.194 80.209.64.194.static.fibianet.dk AS44869 FIBIA P/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover3-y.dk → 62.61.141.157
🔶 Autoconfig3-y.dk → 62.61.141.157
🔷 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.3-y.dk 3-y.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC132ms
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
39ms
A
54ms
MX
63ms
AAAA
60ms
TXT
214ms
CAA
57ms
HTTPS
67ms
TLSA
79ms
SOA
0ms
MTA-STS
105ms
DNSSEC
132ms
SRV
86ms
Total
843ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 07:36:58 843ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-26 10:32:09 1076ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-12 14:54:27 3338ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-26 05:21:56 8744ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-18 14:41:18 1947ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-17 09:25:37 8962ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-12 18:49:12 1088ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-26 03:09:08 3037ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-20 22:00:53 1176ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 13:14:36 8030ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-16 13:12:34 897ms 2 NS 1 A 2 MX 🔒 Secure View
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