4rf.dk
📜 Historical scan 2026-06-16 13:14:10  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   108ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com — — —
ns2.simply.com — — —
ns3.simply.com — — —
ns4.simply.com — — —
🌍 A Records
🌍
No A records found
📧 MX Records
📧
No MX records found
🔷 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC218ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA105ms
FieldValue
Serial2022080819
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
108ms
A
103ms
MX
87ms
AAAA
103ms
TXT
145ms
CAA
100ms
HTTPS
101ms
TLSA
31ms
SOA
105ms
MTA-STS
102ms
DNSSEC
218ms
SRV
0ms
Total
451ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-02 14:59:06 966ms 4 NS 0 A 0 MX 🔒 Secure View
2026-09-02 07:25:40 440ms 4 NS 0 A 0 MX 🔒 Secure View
2026-08-27 21:57:49 402ms 4 NS 0 A 0 MX 🔒 Secure View
2026-06-24 14:50:07 611ms 4 NS 0 A 0 MX 🔒 Secure View
2026-06-24 00:27:42 654ms 4 NS 0 A 0 MX 🔒 Secure View
2026-06-16 13:14:10 451ms 4 NS 0 A 0 MX 🔒 Secure View
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