open-closed.dk - robtex.com
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open-closed.dk
dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | b.nic.dk ⭐ 🔒 | ||||||
| NS | c.nic.dk 🔒 | ||||||
| NS | h.nic.dk 🔒 | ||||||
| NS | l.nic.dk 🔒 | ||||||
| NS | s.nic.dk 🔒 | ||||||
| NS | t.nic.dk 🔒 | ||||||
| TXT | DK zone updateEpoch 1770993180localtime Fri Feb 13 15:33:00 2026gmtime Fri Fe... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1770993180 | ||||||
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DNS History
7 records (4 active, 3 former)
●NSadrian.ns.cloudflare.com2026-02-14 → 2026-02-15 · 3 obs
● 2026-02-14 20:32:32
● 2026-02-15 13:43:22
●NSjack.ns.cloudflare.com2026-02-14 → 2026-02-15 · 3 obs
● 2026-02-14 20:32:32
● 2026-02-15 13:43:22
○NSns1.misrad.info2016-12-08 → 2017-06-23 · 4 obs
● 2017-06-23 12:08:24
○ 2026-02-14 20:32:32
○ 2026-02-15 13:43:22
○NSns2.misrad.info2016-12-08 → 2017-06-23 · 4 obs
● 2017-06-23 12:08:24
○ 2026-02-14 20:32:32
○ 2026-02-15 13:43:22
●MXmail.open-closed.dk2016-12-08 → 2026-02-15 · 2 obs
● 2026-02-15 13:43:22
●A37.27.221.472026-02-14 → 2026-02-15 · 3 obs
● 2026-02-14 20:32:32
● 2026-02-15 13:43:22
○A89.32.144.2262016-12-08 → 2017-06-23 · 4 obs
● 2017-06-23 12:08:24
○ 2026-02-14 20:32:32
○ 2026-02-15 13:43:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| open-closed.dk | jack.ns.cloudflare.com, adrian.ns.cloudflare.com | - |
✅ Authoritative Response
Server: 108.162.193.121
NS records: jack.ns.cloudflare.com, adrian.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for open-closed.dk (unsigned zone)
⏱️ Timing
Total: 61ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.27.221.47 |
| NS | 2 | adrian.ns.cloudflare.com, jack.ns.cloudflare.com |
| MX | 1 | mail.open-closed.dk (pri: 10) |
| TXT | 2 | google-site-verification=SS5J89LbY7n7U5Q, v=spf1 a mx ip4:37.27.221.47 ~all |
| SOA | 1 | adrian.ns.cloudflare.com dns.cloudflare. |
AI analysis
open-closed.dk is the parent of www.open-closed.dk and mail.open-closed.dk.
open-closed.dk points to an IP address: 37.27.221.47.
other host names include gleisdorf.open-closed.at, mail.open-closed.net, alpbach.open-closed.at, gols.open-closed.at and dobl-zwaring.open-closed.at; they share IP numbers with open-closed.dk.
Two name servers adrian.ns.cloudflare.com and jack.ns.cloudflare.com handle the delegation for open-closed.dk.
open-closed.dk shares the same name server setup as other domains, for instance open-close.de, ultimateshowerdoors.com, open-closed.es, open-closed.org and open-closed.ch.
open-closed.dk at least partially shares name servers with other domains, for instance 85bf5a33.com, tirsangyo.com, matarresidence.com, beeminer.org and yztrlw.com.
These name servers are commonly used alongside tim.ns.cloudflare.com.
Six IP addresses per host:
adrian.ns.cloudflare.com points to 2606:4700:50::adf5:3a39, 2803:f800:50::6ca2:c039, 2a06:98c1:50::ac40:2039, 108.162.192.57, 172.64.32.57 and 173.245.58.57; jack.ns.cloudflare.com points to 2606:4700:58::adf5:3b79, 2803:f800:50::6ca2:c179, 2a06:98c1:50::ac40:2179, 108.162.193.121, 172.64.33.121 and 173.245.59.121
open-closed.dk is handled by a single mail server, mail.open-closed.dk.
The host name mail.open-closed.dk points to IP 37.27.221.47.