acumen.dk DNS records

🖥️ Nameservers2 records 58ms

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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.164	3600s	prolinux1.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	acumen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09::b 2a01:111:f403:ca09::e 2a01:111:f403:ca48::a 52.101.68.36 52.101.73.123 52.101.73.15 52.101.73.4	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am9pr04cu00107.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

📧 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

🔌 SRV Records1 records 68ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records3 records 174ms

TXT Record
google-site-verification=NftJPShurDlnwFlHpJ1rPFUvkKhEvzmiHcfEE1XThW4
MS=ms24533488
v=spf1 include:spf.protection.outlook.com include:spf.effip.net -all

✉️ SPF

Policy	Record (acumen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.effip.net -all

📨 DMARC

Policy	Record (_dmarc.acumen.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc_agg@vali.email;

📬 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)

🔐 DNSSEC78ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082601
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

58ms

A

38ms

MX

45ms

AAAA

43ms

TXT

174ms

CAA

39ms

HTTPS

50ms

TLSA

365ms

SOA

0ms

MTA-STS

42ms

DNSSEC

78ms

SRV

68ms

Total

962ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 22:28:51	962ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 18:12:49	1251ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 02:20:21	17195ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 13:03:30	1127ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 05:50:17	988ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 00:51:39	1278ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 13:18:36	767ms	2 NS 1 A 1 MX	🔒 Secure	View