75393916.dk DNS records

🖥️ Nameservers2 records 40ms

Nameserver	IP addresses	PTR	ASN / 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 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	75393916-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca09::3 2a01:111:f403:ca48::12 2a01:111:f403:ca48::8 52.101.68.16 52.101.68.5 52.101.73.155 52.101.73.8	mail-db5pr02cu00100.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-am0pr04cu00500.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

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 164ms

TXT Record
MS=ms74040883
v=spf1 include:spf.itplannetwork.dk include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (75393916.dk)
-all (hard fail)	v=spf1 include:spf.itplannetwork.dk 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)

🔐 DNSSEC79ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2026032401
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

40ms

A

41ms

MX

52ms

AAAA

42ms

TXT

164ms

CAA

59ms

HTTPS

50ms

TLSA

649ms

SOA

0ms

MTA-STS

66ms

DNSSEC

79ms

SRV

67ms

Total

1197ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 21:02:55	1197ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-19 13:26:24	5224ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-25 20:46:54	1114ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-25 09:30:49	3746ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-23 00:39:41	622ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-22 14:17:49	5775ms	2 NS 0 A 1 MX	⚠️ Bogus	View
2026-06-20 22:02:47	1014ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 06:33:01	913ms	2 NS 0 A 1 MX	⚠️ Bogus	View
2026-06-16 12:51:26	1446ms	2 NS 0 A 1 MX	🔒 Secure	View