cliopen.com - dns.ninja
cliopen.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 93.184.72.5🇸🇰 VNET-AS93.184.64.0/20 VNET a.s. | ||||||
| PTR | 94.184.72.5.host.vnet.sk | ||||||
| NS | ns1.cliopen.com ⭐ | ||||||
| A | 93.184.72.4🇸🇰 VNET-AS93.184.64.0/20 VNET a.s. | ||||||
| PTR | 94.184.72.4.host.vnet.sk | ||||||
| NS | ns2.cliopen.com | ||||||
| A | 93.184.72.5🇸🇰 VNET-AS93.184.64.0/20 VNET a.s. | ||||||
| PTR | 94.184.72.5.host.vnet.sk | ||||||
| MX | mail.protonmail.ch ⭐ | ||||||
| A | 176.119.200.128🇨🇭 Proton176.119.200.0/24 | ||||||
| PTR | mail.protonmail.ch | ||||||
| A | 185.70.42.128🇨🇭 Proton185.70.42.0/24 | ||||||
| PTR | mail.protonmail.ch | ||||||
| A | 185.205.70.128🇫🇷 Proton185.205.70.0/24 | ||||||
| PTR | mail.protonmail.ch | ||||||
| MX | mailsec.protonmail.ch(20) | ||||||
| A | 176.119.200.129🇨🇭 Proton176.119.200.0/24 | ||||||
| PTR | mailsec.protonmail.ch | ||||||
| A | 185.70.42.129🇨🇭 Proton185.70.42.0/24 | ||||||
| PTR | mailsec.protonmail.ch | ||||||
| A | 185.205.70.129🇫🇷 Proton185.205.70.0/24 | ||||||
| PTR | mailsec.protonmail.ch | ||||||
| TXT | v=spf1 include:_spf.protonmail.ch -all | ||||||
| TXT | google-site-verification=Dbz5PWvqM4S3Cx-9JbJS08ARCKkARjd3WFUufenx9WQ | ||||||
| TXT | protonmail-verification=4e7f6520f4ad0f382fb6aec637b7f4fa6648cff4 | ||||||
| SOA | ns1.cliopen.comhostmaster@cliopen.com 2026-08-27 #1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1792279129 | ||||||
Subdomains
Same first word
Similar names
Previous names
Next names
DNS History
5 records (5 active, 0 former)
●NSns1.cliopen.com2026-08-30 → 2026-10-17 · 2 obs
● 2026-10-17 23:38:10
●NSns2.cliopen.com2026-08-30 → 2026-10-17 · 2 obs
● 2026-10-17 23:38:10
●MXmail.protonmail.ch2026-08-30 → 2026-10-17 · 2 obs
● 2026-10-17 23:38:10
●MXmailsec.protonmail.ch2026-08-30 → 2026-10-17 · 2 obs
● 2026-10-17 23:38:10
●A93.184.72.52026-08-30 → 2026-10-17 · 2 obs
● 2026-10-17 23:38:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cliopen.com | ns1.cliopen.com, ns2.cliopen.com | 2 records |
✅ Authoritative Response
Server:93.184.72.4
NS records: ns1.cliopen.com, ns2.cliopen.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cliopen.com (unsigned zone)
⏱️ Timing
Total: 566ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 93.184.72.5 |
| NS | 2 | ns1.cliopen.com, ns2.cliopen.com |
| MX | 2 | mailsec.protonmail.ch (pri: 20), mail.protonmail.ch (pri: 10) |
| TXT | 3 | protonmail-verification=4e7f6520f4ad0f38, google-site-verification=Dbz5PWvqM4S3Cx-... |
| SOA | 1 | ns1.cliopen.com hostmaster.cliopen.com |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns1.cliopen.com, ns2.cliopen.com)
Analysis
Hierarchy
cliopen.com serves as the parent of ns1.cliopen.com and ns2.cliopen.com.
IP Addresses
cliopen.com has exactly one IP address — 93.184.72.5.
Other host names, among them cliopen.cloud and ns2.cliopen.com, have IP numbers in common with cliopen.com.
Name Servers
cliopen.com is served by two delegated name servers, ns1.cliopen.com and ns2.cliopen.com.
Other domains share the same name server configuration as cliopen.com, for example cliopen.cloud.
Each of ns1.cliopen.com and ns2.cliopen.com has one IP address: ns1.cliopen.com uses 93.184.72.4 and ns2.cliopen.com uses 93.184.72.5.
Mail Servers
cliopen.com uses two mail servers, mail.protonmail.ch and mailsec.protonmail.ch.
The mail server setup of cliopen.com matches that of other domains such as surrealtech.co.uk, jamaicastraat.nl, mattkingsbury.com and two others.
At least some of the mail servers used by cliopen.com are shared with other domains: zucrefilms.net, bloomquist.org, darkshed.net and two others among them.
The hosts mail.protonmail.ch and mailsec.protonmail.ch both resolve to three IP numbers: mail.protonmail.ch to 176.119.200.128, 185.70.42.128 and 185.205.70.128, and mailsec.protonmail.ch to 176.119.200.129, 185.70.42.129 and 185.205.70.129.