cato-tech.dk DNS records

🖥️ Nameservers2 records 63ms

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 96ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.95	3600s	webcluster1.webpod13-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 103ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	catotech-dk01b.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca09::28 2a01:111:f403:ca09::4 2a01:111:f403:ca09::c 52.101.68.15 52.101.73.155 52.101.73.28 52.101.73.30	mail-db6pr03cu00105.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.104.116.40
🔶 Autoconfig	46.30.213.91

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 114ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records3 records 230ms

TXT Record
google-site-verification=lOZp_7VR61uj9UBXqmejPm5hdeJHS7RQUg3eKfv7v1Q
MS=ms18082120
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (cato-tech.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)

🔐 DNSSEC146ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082702
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

63ms

A

96ms

MX

103ms

AAAA

78ms

TXT

230ms

CAA

75ms

HTTPS

71ms

TLSA

376ms

SOA

0ms

MTA-STS

112ms

DNSSEC

146ms

SRV

114ms

Total

1109ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 22:10:48	1109ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 23:17:53	850ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 11:45:51	753ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 19:45:56	639ms	2 NS 1 A 1 MX	🔒 Secure	View