codecrafters.dk
📜 Historical scan 2026-06-16 21:47:44  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   85ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com — — —
ns2.simply.com — — —
ns3.simply.com — — —
🌍 A Records1 records   34ms
IPTTLPTRASNISP / OrgCIDRCountryCity
87.62.103.153 — 0x573e6799.static.cust.fastspeed.dk AS3292 TDC Holding A/S 87.62.0.0/15 🇩🇰 Denmark Fredericia
📧 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)
🔐 DNSSEC66ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA83ms
FieldValue
Serial2025071302
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
85ms
A
34ms
MX
32ms
AAAA
39ms
TXT
104ms
CAA
34ms
HTTPS
41ms
TLSA
30ms
SOA
83ms
MTA-STS
77ms
DNSSEC
66ms
SRV
0ms
Total
263ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-02 11:11:33 489ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-29 11:53:38 597ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-16 21:47:44 263ms 3 NS 1 A 0 MX 🔒 Secure View
2026-06-16 21:41:32 429ms 3 NS 1 A 0 MX 🔒 Secure View
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