jakobsen-mail.dk
Last scanned: 2026-08-30 15:04:30  ·  445ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   22ms
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 Records
🌍
No A records found
📧 MX Records1 records   30ms
PriorityTTLMail ServerIP addressesPTRASN
0 600s mx01.itafdelingen.net 178.209.169.14 mx01.itafdelingen.net AS62319 Itm8 A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscoverredirect.itah.dk → 178.209.171.106
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   104ms
TXT Record
v=spf1 include:spf.itafdelingen.net -all
✉️ SPF
PolicyRecord (jakobsen-mail.dk)
-all (hard fail) v=spf1 include:spf.itafdelingen.net -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)
🔐 DNSSEC97ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2026082901
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
22ms
A
30ms
MX
30ms
AAAA
32ms
TXT
104ms
CAA
29ms
HTTPS
28ms
TLSA
57ms
SOA
0ms
MTA-STS
32ms
DNSSEC
97ms
SRV
107ms
Total
445ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 15:04:30 445ms 2 NS 0 A 1 MX 🔒 Secure View
2026-08-26 03:58:29 555ms 2 NS 0 A 1 MX 🔒 Secure View
2026-07-26 12:01:00 859ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-26 14:15:19 1249ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-25 03:07:51 2000ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-23 10:34:37 888ms 2 NS 0 A 1 MX ⚠️ Bogus View
2026-06-17 23:45:49 779ms 2 NS 0 A 1 MX 🔒 Secure View
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