tomcon.dk DNS records

🖥️ Nameservers2 records 255ms

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 254ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
92.61.153.4	43200s	—	—	—	—	🇸🇪 Sweden	—

📧 MX Records1 records 273ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	43200s	tomcon-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::10 2a01:111:f403:ca04::f 2a01:111:f403:ca09::7 52.101.68.18 52.101.68.27 52.101.68.36 52.101.73.28	mail-db7pr03cu00401.inbound.protection.outlook.com mail-dbapr03cu00100.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.104.116.24
🔶 Autoconfig	92.61.153.4

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 630ms

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

✉️ SPF

Policy	Record (tomcon.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)

🔐 DNSSEC523ms

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

🏷️ SOA0ms

Field	Value
Serial	2026080801
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

255ms

A

254ms

MX

273ms

AAAA

296ms

TXT

630ms

CAA

240ms

HTTPS

256ms

TLSA

687ms

SOA

0ms

MTA-STS

363ms

DNSSEC

523ms

SRV

340ms

Total

5892ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-09 14:12:43	5892ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-09 16:04:46	1322ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 17:11:43	2862ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 10:17:45	1192ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 21:42:57	1216ms	2 NS 1 A 1 MX	🔒 Secure	View