3-2-1service.dk
Last scanned: 2026-08-27 07:37:27  ·  616ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   38ms
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   67ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.183.138.100 43200s — AS47292 Sentia Denmark A/S 46.183.138.0/23 🇩🇰 Denmark —
📧 MX Records3 records   53ms
PriorityTTLMail ServerIP addressesPTRASN
1 43200s mx1.gigahost.dk 46.183.139.11 mx1.gigahost.dk AS47292 Sentia Denmark A/S
2 43200s mx2.gigahost.dk 46.183.139.12 mx2.gigahost.dk AS47292 Sentia Denmark A/S
3 43200s mx3.gigahost.dk 46.183.139.13 mx3.gigahost.dk AS47292 Sentia Denmark A/S
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   179ms
TXT Record
spf2.0/pra
v=spf1 mx include:spf.gigahost.dk -all
✉️ SPF
PolicyRecord (3-2-1service.dk)
-all (hard fail) v=spf1 mx include:spf.gigahost.dk -all
📨 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)
🔐 DNSSEC112ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026032402
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
38ms
A
67ms
MX
53ms
AAAA
65ms
TXT
179ms
CAA
77ms
HTTPS
33ms
TLSA
69ms
SOA
0ms
MTA-STS
87ms
DNSSEC
112ms
SRV
84ms
Total
616ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 07:37:27 616ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-28 00:18:07 600ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-16 12:37:01 742ms 2 NS 1 A 3 MX 🔒 Secure View
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