4r-consulting.dk
Last scanned: 2026-06-24 01:17:24  ·  1807ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   66ms
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 Records1 records   65ms
PriorityTTLMail ServerIP addressesPTRASN
0 600s 4rconsulting-dk0e.mail.protection.outlook.com 2a01:111:f403:ca04::9
2a01:111:f403:ca09::2
2a01:111:f403:ca09::e
2a01:111:f403:ca09::f
52.101.68.15
52.101.73.12
52.101.73.15
52.101.73.153		 mail-db7pr03cu00601.inbound.protection.outlook.com
mail-am0pr83cu00402.inbound.protection.outlook.com
mail-am7pr05cu00206.inbound.protection.outlook.com
mail-am7pr05cu00307.inbound.protection.outlook.com
mail-db6pr03cu00107.inbound.protection.outlook.com
mail-am4pr0401cu00104.inbound.protection.outlook.com
mail-am9pr04cu00107.inbound.protection.outlook.com
mail-as8pr05cu00401.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 → 40.104.230.72
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   392ms
TXT Record
MS=ms61886009
v=spf1 include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (4r-consulting.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)
🔐 DNSSEC81ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA48ms
FieldValue
Serial2026032401
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
66ms
A
73ms
MX
65ms
AAAA
68ms
TXT
392ms
CAA
106ms
HTTPS
95ms
TLSA
1054ms
SOA
48ms
MTA-STS
40ms
DNSSEC
81ms
SRV
191ms
Total
1807ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-24 01:17:24 1807ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-21 19:41:53 4759ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-21 15:00:58 1166ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 03:50:18 2254ms 2 NS 0 A 1 MX 🔒 Secure View
2026-06-16 12:44:46 595ms 2 NS 0 A 1 MX 🔒 Secure View
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