læselærer.dk xn--lselrer-mxad.dk
Last scanned: 2026-09-05 04:32:32  ·  394ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   23ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   23ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.47.247.18 3600s one.com.webforward.g1i.one AS51468 One.com A/S 195.47.247.0/24 — —
📧 MX Records1 records   34ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 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)
🔐 DNSSEC101ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026090401
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
23ms
A
23ms
MX
34ms
AAAA
28ms
TXT
116ms
CAA
23ms
HTTPS
29ms
TLSA
27ms
SOA
0ms
MTA-STS
39ms
DNSSEC
101ms
SRV
33ms
Total
394ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-05 04:32:32 394ms 2 NS 1 A 1 MX 🔒 Secure View
2026-09-02 16:14:45 504ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-29 02:00:23 970ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-27 17:03:02 427ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-15 03:35:31 4723ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-06 03:59:44 544ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-08 09:47:10 16920ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-29 01:41:10 545ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-28 16:59:33 446ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-23 01:22:29 475ms 2 NS 1 A 1 MX ⚠️ Bogus View
2026-06-23 00:12:52 301ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 11:47:37 566ms 2 NS 1 A 0 MX 🔒 Secure View
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