s3r.dk
Last scanned: 2026-08-22 07:44:51  ·  2709ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   67ms
🌍 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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.s3r.dk Bgd1y8cLnXsllqLE0M4HBG0R292kkEuSefTqB9ZBylg
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC91ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2412803842
Primary NS (MNAME)autumn.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
67ms
A
2061ms
MX
87ms
AAAA
65ms
TXT
284ms
CAA
68ms
HTTPS
56ms
TLSA
67ms
SOA
0ms
MTA-STS
97ms
DNSSEC
91ms
SRV
73ms
Total
2709ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-22 07:44:51 2709ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-08-21 07:41:57 16792ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-08-19 04:02:21 3277ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-08-16 13:37:16 3029ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-08-10 08:11:19 2593ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-07-25 01:20:06 10329ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-07-17 22:39:58 1401ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-07-16 18:19:29 688ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-07-03 16:15:34 2367ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-22 08:11:09 2261ms 2 NS 0 A 0 MX 🔓 Insecure View
2026-06-18 07:47:23 807ms 2 NS 0 A 0 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone