jakobsen-it.dk
Last scanned: 2026-08-26 10:03:13  ·  725ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   42ms
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   49ms
IPTTLPTRASNISP / OrgCIDRCountryCity
5.189.133.236 43200s vmi432237.contaboserver.net AS51167 Contabo GmbH 5.189.128.0/18 🇫🇷 France Lauterbourg
📧 MX Records3 records   46ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mx.zoho.eu 185.230.214.166
185.230.214.166
185.230.214.166		 mx2.zoho.eu
mx3.zoho.eu
mx.zoho.eu		 AS205111 ZOHO Corporation B.V
AS205111 ZOHO Corporation B.V
AS205111 ZOHO Corporation B.V
20 600s mx2.zoho.eu 185.230.214.166
185.230.214.166
185.230.214.166		 mx2.zoho.eu
mx3.zoho.eu
mx.zoho.eu		 AS205111 ZOHO Corporation B.V
AS205111 ZOHO Corporation B.V
AS205111 ZOHO Corporation B.V
50 600s mx3.zoho.eu 185.230.212.166
185.230.212.166
185.230.212.166		 mx2.zoho.eu
mx3.zoho.eu
mx.zoho.eu		 AS205111 ZOHO Corporation B.V
AS205111 ZOHO Corporation B.V
AS205111 ZOHO Corporation B.V
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   198ms
TXT Record
v=spf1 include:zohomail.eu ~all
zoho-verification=zb17505089.zmverify.zoho.eu
✉️ SPF
PolicyRecord (jakobsen-it.dk)
~all (soft fail) v=spf1 include:zohomail.eu ~all
📨 DMARC
PolicyRecord (_dmarc.jakobsen-it.dk)
p=none (monitor only) v=DMARC1; p=none;
📬 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)
🔐 DNSSEC116ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082201
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
42ms
A
49ms
MX
46ms
AAAA
88ms
TXT
198ms
CAA
75ms
HTTPS
38ms
TLSA
124ms
SOA
0ms
MTA-STS
112ms
DNSSEC
116ms
SRV
92ms
Total
725ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 10:03:13 725ms 2 NS 1 A 3 MX 🔒 Secure View
2026-08-23 23:47:35 1287ms 2 NS 1 A 3 MX 🔒 Secure View
2026-08-14 11:34:52 5085ms 2 NS 1 A 3 MX 🔒 Secure View
2026-07-23 14:48:48 1205ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-28 12:48:16 688ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-27 10:00:47 1234ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-27 05:49:22 1429ms 2 NS 1 A 3 MX 🔒 Secure View
2026-06-17 23:12:26 1038ms 2 NS 1 A 3 MX 🔒 Secure View
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