tetraplan.dk DNS records

🖥️ Nameservers2 records 221ms

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 221ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.20.242.109	7200s	—	AS31027	GlobalConnect A/S	185.20.240.0/22	🇩🇰 Denmark	Rødovre Municipality

📧 MX Records1 records 254ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tetraplan-dk.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca09::3 2a01:111:f403:ca09::6 2a01:111:f403:ca09::f 52.101.68.0 52.101.68.16 52.101.73.19 52.101.73.6	mail-db6pr03cu00105.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am6pr04cu00306.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
🔶 Autoconfig	tetraplan.dk → 185.20.242.109

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 506ms

TXT Record
MS=ms71411238
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (tetraplan.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.tetraplan.dk)
p=reject	v=DMARC1; p=reject; sp=none; ri=86400

📬 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.tetraplan.dk	tetraplan.dk

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC334ms

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

🏷️ SOA252ms

Field	Value
Serial	2026030601
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

221ms

A

221ms

MX

254ms

AAAA

245ms

TXT

506ms

CAA

237ms

HTTPS

232ms

TLSA

304ms

SOA

252ms

MTA-STS

270ms

DNSSEC

334ms

SRV

315ms

Total

1911ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-26 02:26:55	1911ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 14:32:53	1088ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 21:36:16	859ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 15:27:21	1238ms	2 NS 1 A 1 MX	🔒 Secure	View