aac.dk DNS records

🖥️ Nameservers2 records 128ms

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 122ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.173	3600s	webcluster2.webpod14-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 141ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	aac-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::e 2a01:111:f403:ca09::4 2a01:111:f403:ca38::8 52.101.68.5 52.101.73.12 52.101.73.123 52.101.73.16	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am6pr02cu00203.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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8

🔷 AAAA Records (IPv6)1 records 53ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:806d:3ee1:aad7:2e41	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 Records2 records 435ms

TXT Record
MS=ms22576652
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com ~all

✉️ SPF

Policy	Record (aac.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com include:_custspf.one.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)

🔐 DNSSEC360ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082901
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

128ms

A

122ms

MX

141ms

AAAA

53ms

TXT

435ms

CAA

200ms

HTTPS

160ms

TLSA

836ms

SOA

0ms

MTA-STS

210ms

DNSSEC

360ms

SRV

227ms

Total

2525ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 20:13:26	2525ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 07:41:01	827ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 05:54:46	4168ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 14:57:52	3161ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-14 21:58:54	8992ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-12 01:17:43	1095ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 17:16:06	5353ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 14:46:01	1188ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 00:00:23	1639ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 00:28:21	1617ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 12:47:06	1702ms	2 NS 1 A 1 MX	🔒 Secure	View