dkmailer.dk DNS records

🖥️ Nameservers2 records 121ms

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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.221.196.226	600s	—	AS51468	One.com A/S	91.221.196.0/23	🇩🇰 Denmark	Copenhagen

📧 MX Records5 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	dkmailer-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::8 2a01:111:f403:ca09::c 2a01:111:f403:ca09::e 52.101.68.32 52.101.68.36 52.101.68.5 52.101.73.16	mail-du0pr03cu00102.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.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
0	600s	gratisdanmark-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::7 2a01:111:f403:ca04::9 2a01:111:f403:ca09::c 52.101.209.153 52.101.68.25 52.101.68.29 52.101.73.4	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am0pr83cu00404.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
0	600s	pressedanmark-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::8 2a01:111:f403:ca09::c 2a01:111:f403:ca09::e 52.101.68.32 52.101.68.36 52.101.68.5 52.101.73.16	mail-du0pr03cu00102.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.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
0	600s	ube-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::8 2a01:111:f403:ca09::c 2a01:111:f403:ca09::e 52.101.68.32 52.101.68.36 52.101.68.5 52.101.73.16	mail-du0pr03cu00102.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.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
10	600s	contoso.onmicrosoft.com	—	—	—

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40
🔶 Autoconfig	91.221.196.226

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 174ms

TXT Record
MS=ms48810874
MS=ms69877620
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (dkmailer.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)

🔐 DNSSEC80ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081001
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

121ms

A

43ms

MX

51ms

AAAA

45ms

TXT

174ms

CAA

51ms

HTTPS

43ms

TLSA

253ms

SOA

0ms

MTA-STS

81ms

DNSSEC

80ms

SRV

84ms

Total

1064ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 11:58:59	1064ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-08-21 15:57:33	6706ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-08-12 09:29:05	8706ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-07-25 06:29:37	50149ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-07-15 04:52:32	10304ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-07-11 07:53:29	5578ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-22 10:59:57	3725ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-21 13:35:35	2185ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-21 00:46:20	1130ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 03:45:36	885ms	2 NS 1 A 5 MX	🔒 Secure	View