ltstudio.dk
📜 Historical scan 2026-07-03 11:49:24  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   53ms
🌍 A Records2 records   58ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.54.188 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.141.28 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records1 records   54ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover104.21.54.188
🔶 Autoconfig104.21.54.188
🔷 AAAA Records (IPv6)2 records   44ms
🔐 HTTPS Records1 records   50ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.54.188,172.67.141.28 ech=AEX+DQBBpwAgACA5+5230yAxwEg1pskWGWE/d/gmJ9ZABJtojvlp2NcZGwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:36bc,2606:4700:3032::ac43:8d1c
📝 TXT Records1 records   227ms
TXT Record
v=spf1 include:relay.mailchannels.net include:spf.antispamcloud.com -all
✉️ SPF
PolicyRecord (ltstudio.dk)
-all (hard fail) v=spf1 include:relay.mailchannels.net include:spf.antispamcloud.com -all
📨 DMARC
PolicyRecord (_dmarc.ltstudio.dk)
p=reject v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:8a3bbf8edcdd470db945ecec7e1cb5d2@dmarc-reports.cloudflare.net;
📬 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)
🔐 DNSSEC138ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2408424503
Primary NS (MNAME)dell.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
53ms
A
58ms
MX
54ms
AAAA
44ms
TXT
227ms
CAA
53ms
HTTPS
50ms
TLSA
75ms
SOA
0ms
MTA-STS
65ms
DNSSEC
138ms
SRV
71ms
Total
978ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-29 23:57:21 1478ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-17 09:13:26 1146ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-07-03 11:49:24 978ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-17 13:20:58 4988ms 2 NS 2 A 1 MX 🔓 Insecure View
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