1opendoor.dk

Records from scan: 2026-09-11 12:40:30 · 6826ms total · last checked 2026-10-16 15:09 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 65ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.mkrdns.dk	87.63.98.194	ns1.mkrdns.dk	AS3292 TDC Holding A/S
ns2.swislock.dk	2001:6c8:119::2 87.63.98.178	— ns2.swislock.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	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#

checked 2026-10-08 17:54:54

www	77.243.131.34 (AS48854) (address records, no CNAME)
www vs bare domain	Only www resolves 1opendoor.dk: no address www.1opendoor.dk: 77.243.131.34 (AS48854) (all like this)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2063ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2012051901
Primary NS (MNAME)	ns1.mkrdns.dk
Responsible (RNAME)	mkr@mkr.dk
Refresh	86400s
Retry	600s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-16 05:36:45

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-02-02
Expires	2027-02-28 (134d)

🔗 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#

65ms

59ms

57ms

AAAA

52ms

TXT

255ms

CAA

66ms

HTTPS

65ms

TLSA

86ms

SOA

0ms

MTA-STS

91ms

DNSSEC

2063ms

SRV

78ms

Total

6826ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-11 12:40:30 shown	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	1186ms	2 NS 0 A 1 MX	🔓 Insecure