flatline.dk
📜 Historical scan 2026-06-17 10:14:00  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   65ms
🌍 A Records1 records   82ms
📧 MX Records3 records   83ms
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   142ms
TXT Record
v=spf1 +a +mx +ip4:195.242.131.2 include:_spf.e-studio.dk ~all
✉️ SPF
PolicyRecord (flatline.dk)
~all (soft fail) v=spf1 +a +mx +ip4:195.242.131.2 include:_spf.e-studio.dk ~all
📨 DMARC
PolicyRecord (_dmarc.flatline.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 / DANE3 records   56ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.spamfri.dk DANE-EE · SPKI · SHA-256 884451547A03D0AC2F628D943839BAA6…
SMTP _25._tcp.mx2.spamfri.dk DANE-EE · SPKI · SHA-256 6598C93F79B95376BB8099E9AC862167…
SMTP _25._tcp.mx3.spamfri.dk DANE-EE · SPKI · SHA-256 BBFB0694919290E5BC9D6E2C6F47D846…
🔐 DNSSEC105ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
🏷️ SOA72ms
FieldValue
Serial2026051301
Primary NS (MNAME)ns1.e-studio.dk
Responsible (RNAME)hostmaster@mailrelay.e-studio.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
65ms
A
82ms
MX
83ms
AAAA
94ms
TXT
142ms
CAA
75ms
HTTPS
74ms
TLSA
56ms
SOA
72ms
MTA-STS
50ms
DNSSEC
105ms
SRV
0ms
Total
734ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-14 14:11:15 8786ms 3 NS 1 A 3 MX 🔓 Insecure View
2026-06-22 12:33:26 839ms 3 NS 1 A 3 MX 🔓 Insecure View
2026-06-22 00:51:54 943ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 10:17:34 2588ms 3 NS 1 A 3 MX 🔓 Insecure View
2026-06-17 10:14:00 734ms 3 NS 1 A 3 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone