effective-learning.dk
📜 Historical scan 2026-06-17 06:02:57  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   31ms
NameserverIP addressesPTRASN / ISP
aragorn.ns.cloudflare.com
brianna.ns.cloudflare.com
🌍 A Records2 records   44ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.9.175 AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.161.35 AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)2 records   41ms
🔐 HTTPS Records1 records   44ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.9.175,172.67.161.35 ech=AEX+DQBBJwAgACBdyL6ohvLUVHyP5QrQOPMNwhUaSEvijFQOPei6OLPPJwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:9af,2606:4700:3035::ac43:a123
📝 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)
🔐 DNSSEC60ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
🏷️ SOA55ms
FieldValue
Serial2407150229
Primary NS (MNAME)aragorn.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 RegistrationWHOIS fetched 2026-08-28 13:14:38
FieldValue
RegistrarAbion AB
Registered2018-07-16
Expires2027-07-31 (331d)
📋 WHOIS
⏱️ Lookup Timing
NS
31ms
A
44ms
MX
63ms
AAAA
41ms
TXT
107ms
CAA
36ms
HTTPS
44ms
TLSA
48ms
SOA
55ms
MTA-STS
41ms
DNSSEC
60ms
SRV
0ms
Total
308ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 13:13:57 539ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-08-24 20:03:14 2689ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-08-08 07:22:15 788ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-07-13 05:50:18 900ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-24 21:28:51 859ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-24 11:42:14 761ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-19 23:18:07 699ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-17 06:16:05 10376ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-17 06:06:03 1463ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-17 06:02:57 308ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-17 06:00:39 389ms 2 NS 2 A 0 MX 🔓 Insecure View
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