kajchristensen.dk
Last scanned: 2026-07-25 02:39:13  ·  4867ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   33ms
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   31ms
IPTTLPTRASNISP / OrgCIDRCountryCity
144.91.97.254 360s mail.justworks.dk AS51167 Contabo GmbH 144.91.64.0/18 🇫🇷 France Lauterbourg
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverkajchristensen.dk → 144.91.97.254
🔶 Autoconfigkajchristensen.dk → 144.91.97.254
🔷 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.kajchristensen.dk kajchristensen.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC64ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA26ms
FieldValue
Serial2022072500
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)support@justworks.dk
Refresh14400s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
33ms
A
31ms
MX
31ms
AAAA
34ms
TXT
161ms
CAA
32ms
HTTPS
32ms
TLSA
266ms
SOA
26ms
MTA-STS
44ms
DNSSEC
64ms
SRV
46ms
Total
4867ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-25 02:39:13 4867ms 2 NS 1 A 0 MX 🔓 Insecure View
2026-06-17 13:13:10 757ms 2 NS 1 A 0 MX 🔓 Insecure View
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