lean-learning.dk
📜 Historical scan 2026-06-17 14:26:15  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   43ms
NameserverIP addressesPTRASN / ISP
lucy.ns.cloudflare.com 108.162.192.133
172.64.32.133
173.245.58.133
2606:4700:50::adf5:3a85
2803:f800:50::6ca2:c085
2a06:98c1:50::ac40:2085		 lucy.ns.cloudflare.com
lucy.ns.cloudflare.com
lucy.ns.cloudflare.com
lucy.ns.cloudflare.com
lucy.ns.cloudflare.com
lucy.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
micah.ns.cloudflare.com 108.162.193.206
172.64.33.206
173.245.59.206
2606:4700:58::adf5:3bce
2803:f800:50::6ca2:c1ce
2a06:98c1:50::ac40:21ce		 micah.ns.cloudflare.com
micah.ns.cloudflare.com
micah.ns.cloudflare.com
micah.ns.cloudflare.com
micah.ns.cloudflare.com
micah.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)
🔐 DNSSEC199ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA38ms
FieldValue
Serial2407162014
Primary NS (MNAME)lucy.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
47ms
MX
45ms
AAAA
44ms
TXT
184ms
CAA
67ms
HTTPS
41ms
TLSA
133ms
SOA
38ms
MTA-STS
85ms
DNSSEC
199ms
SRV
0ms
Total
1652ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-04 10:30:48 382ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-31 04:17:46 406ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-16 00:25:23 713ms 2 NS 0 A 0 MX 🔒 Secure View
2026-08-08 00:32:15 793ms 2 NS 0 A 0 MX 🔒 Secure View
2026-07-17 09:29:18 808ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-28 11:40:49 867ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-27 09:43:25 1492ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-25 13:20:05 645ms 2 NS 0 A 0 MX 🔒 Secure View
2026-06-17 14:26:15 1652ms 2 NS 0 A 0 MX 🔒 Secure View
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