1opendoor.dk

📜 Historical scan 2026-06-16 12:51:48  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

1opendoor.dk is a .dk domain served by 2 nameservers (ns1.mkrdns.dk, ns2.swislock.dk). It was registered on 2 February 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail2.mkr.dk. The zone is not DNSSEC-signed, has no 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   84ms
NameserverIP addressesPTRASN / ISP
ns1.mkrdns.dk — — —
ns2.swislock.dk — — —

🌍 A Records#

🌍
No A records found

📧 MX Records#

1 records   88ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mail2.mkr.dk 87.63.98.233
87.63.98.233		 233.192-254.98.63.87.in-addr.arpa
mail2.mkr.dk		 AS3292 TDC Holding A/S
AS3292 TDC Holding A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 17:54:54
www77.243.131.34 (AS48854) (address records, no CNAME)
www vs bare domainOnly www resolves
1opendoor.dk: no address
www.1opendoor.dk: 77.243.131.34 (AS48854)
(all like this)
WildcardNo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

282ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

97ms
FieldValue
Serial2012051901
Primary NS (MNAME)ns1.mkrdns.dk
Responsible (RNAME)mkr@mkr.dk
Refresh86400s
Retry600s
Expire2419200s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-16 05:36:45
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2010-02-02
Expires2027-02-28 (131d)

🔗 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#

NS
84ms
A
88ms
MX
88ms
AAAA
88ms
TXT
298ms
CAA
81ms
HTTPS
124ms
TLSA
122ms
SOA
97ms
MTA-STS
152ms
DNSSEC
282ms
SRV
0ms
Total
1186ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-11 12:40:30 6826ms 2 NS 0 A 1 MX 🔓 Insecure
2026-08-27 21:41:30 567ms 2 NS 0 A 1 MX 🔓 Insecure
2026-08-24 14:34:57 1076ms 2 NS 0 A 1 MX 🔓 Insecure
2026-06-16 12:51:48 shown 1186ms 2 NS 0 A 1 MX 🔓 Insecure
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