tandonline.dk DNS records

🖥️ Nameservers2 records 40ms

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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
146.190.237.50	3600s	—	AS14061	DigitalOcean, LLC	146.190.192.0/18	🇳🇱 The Netherlands	Amsterdam

📧 MX Records2 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tandonline-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca09::2 2a01:111:f403:ca09::5 2a01:111:f403:ca09::d 52.101.68.12 52.101.68.36 52.101.73.12 52.101.73.26	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as9pr05cu01302.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
10	3600s	mx1.pub.mailpod4-cph3.one.com	185.164.14.38	mx1.pub.mailpod4-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56
🔶 Autoconfig	146.190.237.50

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 208ms

TXT Record
MS=ms55901315
v=spf1 include:spf.protection.outlook.com include:spf.mailjet.com -all

✉️ SPF

Policy	Record (tandonline.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.mailjet.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 / DANE1 records 595ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod4-cph3.one.com	DANE-EE · SPKI · SHA-256	DE4E16A98E12EC166733B8CBCDB9940A…

🔐 DNSSEC87ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081402
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

40ms

A

34ms

MX

51ms

AAAA

51ms

TXT

208ms

CAA

47ms

HTTPS

47ms

TLSA

595ms

SOA

0ms

MTA-STS

62ms

DNSSEC

87ms

SRV

75ms

Total

1437ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 15:08:06	1437ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-14 12:40:16	9287ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-30 18:25:35	771ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-24 04:32:08	920ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 14:24:13	3206ms	2 NS 1 A 2 MX	🔒 Secure	View