gnu.dk
📜 Historical scan 2026-06-17 09:36:47  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   32ms
NameserverIP addressesPTRASN / ISP
curt.ns.cloudflare.com — — —
marge.ns.cloudflare.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)
🔐 DNSSEC125ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA56ms
FieldValue
Serial2406623158
Primary NS (MNAME)curt.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
32ms
A
34ms
MX
57ms
AAAA
66ms
TXT
108ms
CAA
57ms
HTTPS
57ms
TLSA
45ms
SOA
56ms
MTA-STS
180ms
DNSSEC
125ms
SRV
0ms
Total
376ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 04:37:13 670ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-08-27 06:32:37 543ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-08-10 04:04:21 988ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-08-05 16:45:45 850ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-07-16 19:02:38 8677ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-07-01 23:57:41 627ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-17 09:36:47 376ms 2 NS 0 A 0 MX 🔓 Insecure View
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