3drd.dk DNS records

🖥️ Nameservers2 records 41ms

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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.237.125.110	3600s	web01.simpleagencygroup.dk	AS210939	Procopa IT ApS	185.237.124.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	7200s	3drd-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::f 2a01:111:f403:ca09::1 2a01:111:f403:ca09::2 52.101.68.15 52.101.68.16 52.101.68.27 52.101.68.8	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-du0pr03cu00100.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

📝 TXT Records1 records 264ms

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

✉️ SPF

Policy	Record (3drd.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)

🔐 DNSSEC135ms

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

🏷️ SOA0ms

Field	Value
Serial	2026080901
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

41ms

A

33ms

MX

40ms

AAAA

53ms

TXT

264ms

CAA

51ms

HTTPS

40ms

TLSA

8038ms

SOA

0ms

MTA-STS

95ms

DNSSEC

135ms

SRV

148ms

Total

9006ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-12 04:16:39	9006ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-14 22:37:58	9247ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-12 20:34:43	1643ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 21:11:31	2321ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 09:19:53	1602ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 13:19:16	1213ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 12:48:13	1016ms	2 NS 1 A 1 MX	🔒 Secure	View