gnu.dk
📜 Historical scan 2026-07-16 19:02:38  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   43ms
NameserverIP addressesPTRASN / ISP
curt.ns.cloudflare.com 108.162.193.94
172.64.33.94
173.245.59.94
2606:4700:58::adf5:3b5e
2803:f800:50::6ca2:c15e
2a06:98c1:50::ac40:215e		 curt.ns.cloudflare.com
curt.ns.cloudflare.com
curt.ns.cloudflare.com
curt.ns.cloudflare.com
curt.ns.cloudflare.com
curt.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
marge.ns.cloudflare.com 108.162.192.191
172.64.32.191
173.245.58.191
2606:4700:50::adf5:3abf
2803:f800:50::6ca2:c0bf
2a06:98c1:50::ac40:20bf		 marge.ns.cloudflare.com
marge.ns.cloudflare.com
marge.ns.cloudflare.com
marge.ns.cloudflare.com
marge.ns.cloudflare.com
marge.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
🌍 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)
🔐 DNSSEC136ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2409645172
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
43ms
A
45ms
MX
50ms
AAAA
40ms
TXT
8178ms
CAA
40ms
HTTPS
47ms
TLSA
38ms
SOA
0ms
MTA-STS
82ms
DNSSEC
136ms
SRV
114ms
Total
8677ms
🕐 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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