leitek.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 Records1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
76.76.21.21	43200s	—	AS16509	Amazon.com, Inc.	76.76.21.0/24	🇺🇸 United States	Walnut

📧 MX Records1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	leitek-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::5 2a01:111:f403:ca04::b 2a01:111:f403:ca48::8 52.101.68.29 52.101.68.39 52.101.68.5 52.101.73.8	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-du2pr03cu00105.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 → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 114ms

TXT Record
MS=ms53978081
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (leitek.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)

🔐 DNSSEC106ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2026090101
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

31ms

MX

33ms

AAAA

39ms

TXT

114ms

CAA

33ms

HTTPS

45ms

TLSA

229ms

SOA

0ms

MTA-STS

46ms

DNSSEC

106ms

SRV

43ms

Total

689ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 07:15:57	689ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 13:30:28	10961ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 08:16:51	1719ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 03:48:17	1729ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 02:50:01	831ms	2 NS 1 A 1 MX	🔒 Secure	View