string.dk
📜 Historical scan 2026-07-10 13:18:50  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers5 records   44ms
🌍 A Records
🌍
No A records found
📧 MX Records5 records   113ms
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   725ms
TXT Record
v=spf1 include:spf.efwd.registrar-servers.com ~all
✉️ SPF
PolicyRecord (string.dk)
~all (soft fail) v=spf1 include:spf.efwd.registrar-servers.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)
🔐 DNSSEC223ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial1783592087
Primary NS (MNAME)freedns1.registrar-servers.com
Responsible (RNAME)hostmaster@registrar-servers.com
Refresh43200s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)3601s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
44ms
A
197ms
MX
113ms
AAAA
113ms
TXT
725ms
CAA
196ms
HTTPS
195ms
TLSA
135ms
SOA
0ms
MTA-STS
144ms
DNSSEC
223ms
SRV
268ms
Total
2033ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 01:51:30 1732ms 5 NS 0 A 5 MX 🔓 Insecure View
2026-07-10 13:18:50 2033ms 5 NS 0 A 5 MX 🔓 Insecure View
2026-07-02 03:31:44 1364ms 5 NS 0 A 5 MX 🔓 Insecure View
2026-06-20 19:26:29 1618ms 5 NS 0 A 5 MX 🔓 Insecure View
2026-06-20 13:38:17 1092ms 5 NS 0 A 5 MX 🔓 Insecure View
2026-06-18 06:28:46 1699ms 5 NS 0 A 5 MX 🔓 Insecure View
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