skl.dk
Last scanned: 2026-08-26 23:50:38  ·  602ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   31ms
🌍 A Records2 records   31ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.31.140 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.177.21 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records3 records   32ms
🔷 AAAA Records (IPv6)2 records   50ms
🔐 HTTPS Records1 records   36ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.31.140,172.67.177.21 ech=AEX+DQBBHQAgACCVKH0tapWKW1aDmmItLE41khRkYqidlTUBnmJguY6hAgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:1f8c,2606:4700:3037::ac43:b115
📝 TXT Records2 records   134ms
TXT Record
v=spf1 include:zoho.com include:_spf.google.com ~all
zoho-verification=zb14376403.zmverify.zoho.com
✉️ SPF
PolicyRecord (skl.dk)
~all (soft fail) v=spf1 include:zoho.com include:_spf.google.com ~all
📨 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)
🔐 DNSSEC105ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2413236912
Primary NS (MNAME)alina.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
31ms
A
31ms
MX
32ms
AAAA
50ms
TXT
134ms
CAA
42ms
HTTPS
36ms
TLSA
52ms
SOA
0ms
MTA-STS
51ms
DNSSEC
105ms
SRV
56ms
Total
602ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 23:50:38 602ms 2 NS 2 A 3 MX 🔒 Secure View
2026-08-25 17:20:12 1221ms 2 NS 2 A 3 MX 🔒 Secure View
2026-08-22 12:21:53 2760ms 2 NS 2 A 3 MX 🔒 Secure View
2026-08-18 10:18:21 9300ms 2 NS 2 A 3 MX 🔒 Secure View
2026-08-06 21:57:41 2548ms 2 NS 2 A 3 MX 🔒 Secure View
2026-07-26 10:13:00 1201ms 2 NS 2 A 3 MX 🔒 Secure View
2026-07-23 09:03:33 9001ms 2 NS 2 A 3 MX 🔒 Secure View
2026-07-14 17:33:00 993ms 2 NS 2 A 3 MX 🔒 Secure View
2026-07-11 13:57:52 1189ms 2 NS 2 A 3 MX 🔒 Secure View
2026-06-20 20:14:42 905ms 2 NS 2 A 3 MX 🔒 Secure View
2026-06-18 04:01:44 1064ms 2 NS 2 A 3 MX 🔒 Secure View
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