1stlearning.dk
📜 Historical scan 2026-06-16 13:08:10  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   374ms
NameserverIP addressesPTRASN / ISP
blair.ns.cloudflare.com — — —
frank.ns.cloudflare.com — — —
🌍 A Records
🌍
No A records found
📧 MX Records1 records   455ms
PriorityTTLMail ServerIP addressesPTRASN
0 — 1stlearning-dk.mail.protection.outlook.com 52.101.68.12
52.101.73.1
52.101.73.19
52.101.73.26		 mail-db9pr02cu00204.inbound.protection.outlook.com
mail-am3pr04cu00501.inbound.protection.outlook.com
mail-as8pr04cu00803.inbound.protection.outlook.com
mail-as9pr05cu01302.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   1040ms
TXT Record
MS=ms27473599
v=spf1 a include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (1stlearning.dk)
-all (hard fail) v=spf1 a include:spf.protection.outlook.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)
🔐 DNSSEC992ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA418ms
FieldValue
Serial2406204334
Primary NS (MNAME)blair.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
374ms
A
410ms
MX
455ms
AAAA
453ms
TXT
1040ms
CAA
428ms
HTTPS
427ms
TLSA
250ms
SOA
418ms
MTA-STS
458ms
DNSSEC
992ms
SRV
0ms
Total
3826ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 16:55:35 2966ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-08-06 11:45:50 1681ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-07-17 20:26:24 9202ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-07-01 23:24:11 934ms 2 NS 0 A 1 MX 🔓 Insecure View
2026-06-16 13:08:10 3826ms 2 NS 0 A 1 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone