kursusplus.dk
Last scanned: 2026-08-26 10:04:58  ·  687ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   41ms
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   38ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.211.38 3600s domain-parking.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   40ms
PriorityTTLMail ServerIP addressesPTRASN
1 3600s smtp.google.com 108.177.14.26
108.177.14.27
209.85.233.26
209.85.233.27
2a00:1450:4010:c03::1a
2a00:1450:4010:c03::1a
2a00:1450:4010:c03::1b
2a00:1450:4010:c03::1b
2a00:1450:4010:c0f::1a
2a00:1450:4010:c0f::1a
2a00:1450:4010:c0f::1b
2a00:1450:4010:c0f::1b
74.125.131.26		 lt-in-f26.1e100.net
lt-in-f27.1e100.net
lr-in-f26.1e100.net
lr-in-f27.1e100.net
lr-in-f26.1e100.net
lr-in-x1a.1e100.net
lr-in-x1b.1e100.net
lr-in-f27.1e100.net
lt-in-f26.1e100.net
lt-in-x1a.1e100.net
lt-in-f27.1e100.net
lt-in-x1b.1e100.net
lu-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   151ms
TXT Record
google-site-verification=Td_pO_lXrWZa0bi6UzQwVF6k2PNxFTSrDl6Me6hWq7U
✉️ 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)
🔐 DNSSEC81ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026071002
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
41ms
A
38ms
MX
40ms
AAAA
45ms
TXT
151ms
CAA
57ms
HTTPS
35ms
TLSA
77ms
SOA
0ms
MTA-STS
69ms
DNSSEC
81ms
SRV
61ms
Total
687ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 10:04:58 687ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-25 21:46:08 607ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-15 13:55:45 5010ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-10 06:25:35 1362ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 14:07:27 485ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 07:25:04 932ms 2 NS 1 A 1 MX 🔒 Secure View
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