jacobi.dk
Last scanned: 2026-08-24 18:15:39  ·  10256ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   75ms
🌍 A Records2 records   78ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.33.30 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.140.189 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records5 records   131ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover104.21.33.30
🔶 Autoconfig104.21.33.30
🔷 AAAA Records (IPv6)2 records   102ms
🔐 HTTPS Records1 records   85ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.33.30,172.67.140.189 ech=AEX+DQBB0gAgACCWqNzldRWGJxxyDdj9ZKlO5jl4DpUWwjyYc+Nu0s9tKQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:8cbd,2606:4700:3036::6815:211e
📝 TXT Records2 records   1075ms
TXT Record
google-site-verification=ltT-0tB5p-WVTz9tQGLyRLxQApCavXRItQk9Jyt2b6I
v=spf1 include:_spf.google.com ~all
✉️ SPF
PolicyRecord (jacobi.dk)
~all (soft fail) v=spf1 include:_spf.google.com ~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)
🔐 DNSSEC296ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2413059200
Primary NS (MNAME)jocelyn.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
75ms
A
78ms
MX
131ms
AAAA
102ms
TXT
1075ms
CAA
100ms
HTTPS
85ms
TLSA
278ms
SOA
0ms
MTA-STS
148ms
DNSSEC
296ms
SRV
8120ms
Total
10256ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-24 18:15:39 10256ms 2 NS 2 A 5 MX 🔓 Insecure View
2026-08-08 20:50:21 1647ms 2 NS 2 A 5 MX 🔓 Insecure View
2026-06-29 21:55:18 910ms 2 NS 2 A 5 MX 🔓 Insecure View
2026-06-18 03:35:41 1405ms 2 NS 2 A 5 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone