a2sourcing.dk DNS records

🖥️ Nameservers2 records 117ms

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 114ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.20.205.76	21600s	linux398.unoeuro.com	AS48854	team.blue Denmark A/S	185.20.204.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 144ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	a2sourcing-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09::7 2a01:111:f403:ca09::c 2a01:111:f403:ca09::d 52.101.68.16 52.101.68.29 52.101.73.1 52.101.73.19	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as8pr04cu00803.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 → 40.99.150.104
🔶 Autoconfig	185.20.205.76

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 197ms

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

📝 TXT Records3 records 631ms

TXT Record
MS=ms84224066
MS=ms84224066 v=spf1 include:spf.protection.outlook.com -all
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (a2sourcing.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)

🔐 DNSSEC382ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082401
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

117ms

A

114ms

MX

144ms

AAAA

147ms

TXT

631ms

CAA

145ms

HTTPS

144ms

TLSA

361ms

SOA

0ms

MTA-STS

153ms

DNSSEC

382ms

SRV

197ms

Total

2799ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 07:00:09	2799ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 21:43:53	3665ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 22:28:16	1225ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 23:38:48	975ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 13:15:07	1761ms	2 NS 1 A 1 MX	🔒 Secure	View