opendoors.dk

📜 Historical scan 2026-06-17 23:14:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

opendoors.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.4.18.84 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by opendoors-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 61ms

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 90ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.4.18.84	—	server5.designrus.dk	AS24940	Hetzner Online GmbH	46.4.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	opendoors-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::9 2a01:111:f403:ca09::1 2a01:111:f403:ca09::f 52.101.68.3 52.101.68.36 52.101.68.39 52.101.73.22	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 40.104.116.8
🔶 Autoconfig	46.4.18.84

🔷 AAAA Records (IPv6)#

1 records 51ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:221:3960::2	—	—	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 231ms

TXT Record
MS=ms30422807
v=spf1 mx ip4:212.45.53.35 ip4:185.163.189.20 include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.designrus.dk include:_spf_eucentral1.prod.hydra.sophos.com ~all

✉️ SPF#

Policy	Record (opendoors.dk)
~all (soft fail)	v=spf1 mx ip4:212.45.53.35 ip4:185.163.189.20 include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.designrus.dk include:_spf_eucentral1.prod.hydra.sophos.com ~all

📨 DMARC#

Policy	Record (_dmarc.opendoors.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:admin@opendoors.dk;

📬 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 2026-10-08 10:55:27

www	46.4.18.84 2a01:4f8:221:3960::2 (AS24940) (address records, no CNAME)
www vs bare domain	Same network opendoors.dk: 46.4.18.84 2a01:4f8:221:3960::2 (AS24940) www.opendoors.dk: 46.4.18.84 2a01:4f8:221:3960::2 (AS24940)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

169ms

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

🏷️ SOA#

59ms

Field	Value
Serial	2026060801
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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

61ms

90ms

51ms

AAAA

51ms

TXT

231ms

CAA

93ms

HTTPS

62ms

TLSA

136ms

SOA

59ms

MTA-STS

34ms

DNSSEC

169ms

SRV

124ms

Total

839ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 10:55:27	1498ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 18:45:57	1172ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 08:00:20	741ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-08 23:05:11	1087ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 12:27:10	935ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-08 11:09:25	9340ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-08 19:32:54	8931ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-28 04:16:18	1776ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 23:49:46	770ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 10:35:20	923ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 23:14:30 shown	839ms	2 NS 1 A 1 MX	🔒 Secure