gredstedbroskole.dk
Last scanned: 2026-08-30 18:29:44  ·  446ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   30ms
🌍 A Records2 records   33ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.83.190 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.180.220 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)2 records   34ms
🔐 HTTPS Records1 records   38ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.83.190,172.67.180.220 ech=AEX+DQBBOwAgACCNRa3XPmi/dbisNV+2QNP3E2b9P8ben8ZmLEFdF5GZXwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:b4dc,2606:4700:3035::6815:53be
📝 TXT Records1 records   135ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (gredstedbroskole.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.gredstedbroskole.dk)
p=reject v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;
📬 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)
🔐 DNSSEC98ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2413520297
Primary NS (MNAME)brit.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
30ms
A
33ms
MX
36ms
AAAA
34ms
TXT
135ms
CAA
25ms
HTTPS
38ms
TLSA
53ms
SOA
0ms
MTA-STS
41ms
DNSSEC
98ms
SRV
62ms
Total
446ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 18:29:44 446ms 2 NS 2 A 0 MX 🔒 Secure View
2026-08-28 05:38:58 739ms 2 NS 2 A 0 MX 🔒 Secure View
2026-08-22 02:30:18 8916ms 2 NS 2 A 0 MX 🔒 Secure View
2026-08-21 02:00:56 1132ms 2 NS 2 A 0 MX 🔒 Secure View
2026-08-06 21:34:24 1158ms 2 NS 2 A 0 MX 🔒 Secure View
2026-07-10 14:46:08 1050ms 2 NS 2 A 0 MX 🔒 Secure View
2026-07-03 12:38:07 2563ms 2 NS 2 A 0 MX 🔒 Secure View
2026-06-28 05:58:23 900ms 2 NS 2 A 0 MX 🔒 Secure View
2026-06-17 09:48:46 825ms 2 NS 2 A 0 MX 🔒 Secure View
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