tetraplan.dk

📜 Historical scan 2026-06-26 02:26:55 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tetraplan.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 13 November 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.20.242.109 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by tetraplan-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 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 Records#

1 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 Records#

1 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 Records#

2 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-19 17:06:50

www CNAME	tetraplan.dk (all on tetraplan.dk) → 185.20.242.120 (AS31027)
www vs bare domain	Same network tetraplan.dk: 185.20.242.120 (AS31027) www.tetraplan.dk: 185.20.242.120 (AS31027)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 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)

🔐 DNSSEC#

334ms

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

🏷️ SOA#

252ms

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#

WHOIS fetched 2026-10-14 07:56:55

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1996-11-13
Expires	2027-12-31 (436d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

221ms

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
2026-10-19 17:06:50	1240ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 05:36:46	1272ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-03 18:14:01	928ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 02:26:55 shown	1911ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 14:32:53	1088ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 21:36:16	859ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 15:27:21	1238ms	2 NS 1 A 1 MX	🔒 Secure