ark-jr.dk DNS records

🖥️ Nameservers2 records 33ms

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 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.166	3600s	webcluster2.webpod17-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	arkjr-dk0i.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca09::24 2a01:111:f403:ca09::4 2a01:111:f403:ca09::8 52.101.103.137 52.101.103.140 52.101.68.29 52.101.73.15	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.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	3600s	mxcloud1.simitu.dk	—	—	—
10	3600s	mxcloud2.simitu.dk	—	—	—
10	3600s	mxcloud3.simitu.dk	—	—	—

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40
🔶 Autoconfig	46.30.215.166

🔷 AAAA Records (IPv6)1 records 29ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:106:8036:9209:98f:6246	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 141ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:_spf.simitu.dk ~all

✉️ SPF

Policy	Record (ark-jr.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com include:_spf.simitu.dk ~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)

🔐 DNSSEC95ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082505
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

33ms

A

30ms

MX

33ms

AAAA

29ms

TXT

141ms

CAA

34ms

HTTPS

26ms

TLSA

654ms

SOA

0ms

MTA-STS

41ms

DNSSEC

95ms

SRV

44ms

Total

1186ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 15:32:36	1186ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-25 14:55:02	2981ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-14 17:45:40	17092ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-28 08:09:30	1148ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-23 01:30:28	1061ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-16 13:39:08	1052ms	2 NS 1 A 4 MX	🔒 Secure	View