matematikfessorforalle.dk
Last scanned: 2026-08-28 01:19:02  ·  1590ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   27ms
🌍 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)
🔐 DNSSEC109ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2413251762
Primary NS (MNAME)cortney.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
27ms
A
38ms
MX
48ms
AAAA
56ms
TXT
181ms
CAA
40ms
HTTPS
1162ms
TLSA
46ms
SOA
0ms
MTA-STS
66ms
DNSSEC
109ms
SRV
90ms
Total
1590ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 01:19:02 1590ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-08-27 02:12:14 729ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-07-22 11:30:48 9639ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-07-01 12:02:33 692ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-25 23:49:27 639ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-21 16:02:12 935ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 02:04:01 471ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-18 03:17:53 584ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-18 02:55:12 756ms 2 NS 0 A 0 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone