dmtas.dk DNS records

🖥️ Nameservers2 records 39ms

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 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
152.115.36.112	3600s	s10.stom.dk	AS31027	GlobalConnect A/S	152.115.0.0/16	🇩🇰 Denmark	Aarhus

📧 MX Records1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dmtas-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::2 2a01:111:f403:ca04::c 2a01:111:f403:ca09::3 52.101.68.0 52.101.68.10 52.101.68.15 52.101.68.3	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00403.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 → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 183ms

TXT Record
v=spf1 include:spf.protection.outlook.com ip4:93.161.88.102 -all

✉️ SPF

Policy	Record (dmtas.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:93.161.88.102 -all

📨 DMARC

Policy	Record (_dmarc.dmtas.dk)
p=quarantine	v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:security@dmtas.dk;

📬 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)

🔐 DNSSEC102ms

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

🏷️ SOA0ms

Field	Value
Serial	2026080501
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

39ms

A

47ms

MX

34ms

AAAA

56ms

TXT

183ms

CAA

43ms

HTTPS

42ms

TLSA

373ms

SOA

0ms

MTA-STS

75ms

DNSSEC

102ms

SRV

74ms

Total

1081ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 06:26:48	1081ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 05:08:46	1505ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-04 02:20:45	3950ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 20:10:18	1993ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 12:15:45	765ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 23:01:46	1241ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 03:55:46	606ms	2 NS 1 A 1 MX	🔒 Secure	View