jsk.dk
Last scanned: 2026-06-26 16:48:27  ·  1882ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   379ms
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 Records
🌍
No A records found
📧 MX Records2 records   259ms
PriorityTTLMail ServerIP addressesPTRASN
0 43200s jsk-dk.mail.protection.outlook.com 52.101.68.12
52.101.73.1
52.101.73.15
52.101.73.19		 mail-db9pr02cu00204.inbound.protection.outlook.com
mail-am3pr04cu00501.inbound.protection.outlook.com
mail-am9pr04cu00107.inbound.protection.outlook.com
mail-as8pr04cu00803.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
10 43200s mail.thornton.dk — — —
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.8
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   363ms
TXT Record
v=spf1 include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (jsk.dk)
-all (hard fail) v=spf1 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)
🔐 DNSSEC369ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA250ms
FieldValue
Serial2026040401
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
379ms
A
269ms
MX
259ms
AAAA
246ms
TXT
363ms
CAA
274ms
HTTPS
277ms
TLSA
571ms
SOA
250ms
MTA-STS
260ms
DNSSEC
369ms
SRV
537ms
Total
1882ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-26 16:48:27 1882ms 2 NS 0 A 2 MX 🔒 Secure View
2026-06-26 13:48:15 1299ms 2 NS 0 A 2 MX 🔒 Secure View
2026-06-21 10:16:07 1129ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 08:22:46 793ms 2 NS 0 A 2 MX ⚠️ Bogus View
2026-06-20 03:28:20 847ms 2 NS 0 A 2 MX 🔒 Secure View
2026-06-19 15:17:24 636ms 2 NS 0 A 2 MX 🔒 Secure View
2026-06-17 19:51:00 974ms 2 NS 0 A 2 MX 🔒 Secure View
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