rexkoel.dk
Last scanned: 2026-07-23 05:52:02  ·  9467ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   84ms
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   79ms
IPTTLPTRASNISP / OrgCIDRCountryCity
212.97.141.28 3600s web05.webtohosting.dk AS48854 team.blue Denmark A/S 212.97.140.0/22 🇩🇰 Denmark —
📧 MX Records1 records   84ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s rexkoel-dk.mail.protection.outlook.com 2a01:111:f403:ca04::5
2a01:111:f403:ca04::9
2a01:111:f403:ca04::a
2a01:111:f403:ca09::3
52.101.68.25
52.101.73.1
52.101.73.15
52.101.73.22		 mail-db3pr0202cu00205.inbound.protection.outlook.com
mail-db7pr03cu00601.inbound.protection.outlook.com
mail-du0pr03cu00102.inbound.protection.outlook.com
mail-am6pr04cu00303.inbound.protection.outlook.com
mail-db8pr02cu00101.inbound.protection.outlook.com
mail-am3pr04cu00501.inbound.protection.outlook.com
mail-am9pr04cu00107.inbound.protection.outlook.com
mail-am7pr05cu00106.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 52.98.149.168
🔶 Autoconfig46.30.215.115
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   8195ms
TXT Record
MS=ms32786334
v=spf1 a include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (rexkoel.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)
🔐 DNSSEC213ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2026072302
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
84ms
A
79ms
MX
84ms
AAAA
79ms
TXT
8195ms
CAA
80ms
HTTPS
75ms
TLSA
302ms
SOA
0ms
MTA-STS
81ms
DNSSEC
213ms
SRV
127ms
Total
9467ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-23 05:52:02 9467ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-22 17:05:31 695ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-18 05:24:55 1069ms 2 NS 1 A 1 MX 🔓 Insecure View
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