ctopen.org - robtex.com
ctopen.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1771291736 | ||||||
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
●NScheryl.ns.cloudflare.com2026-02-24 → 2026-02-24 · 3 obs
● 2026-02-24 09:36:16
● 2026-02-24 12:09:18
●NSmark.ns.cloudflare.com2026-02-24 → 2026-02-24 · 3 obs
● 2026-02-24 09:36:16
● 2026-02-24 12:09:18
○NSns27.domaincontrol.com2015-06-24 → 2017-03-23 · 4 obs
● 2017-03-23 11:18:46
○ 2026-02-24 09:36:16
○ 2026-02-24 12:09:18
○NSns28.domaincontrol.com2015-06-24 → 2017-03-23 · 4 obs
● 2017-03-23 11:18:46
○ 2026-02-24 09:36:16
○ 2026-02-24 12:09:18
○MXctopen-org.mail.protection.outlook.com2015-06-24 → 2017-03-23 · 4 obs
● 2017-03-23 11:18:46
○ 2026-02-24 09:36:16
○ 2026-02-24 12:09:18
●A104.21.2.412026-02-24 → 2026-02-24 · 3 obs
● 2026-02-24 09:36:16
● 2026-02-24 12:09:18
●A172.67.128.1772026-02-24 → 2026-02-24 · 3 obs
● 2026-02-24 09:36:16
● 2026-02-24 12:09:18
●A2606:4700:3033::ac43:80b12026-02-24 → 2026-02-24 · 3 obs
● 2026-02-24 09:36:16
● 2026-02-24 12:09:18
●A2606:4700:3036::6815:2292026-02-24 → 2026-02-24 · 3 obs
● 2026-02-24 09:36:16
● 2026-02-24 12:09:18
○A76.227.216.812015-06-24 → 2017-03-23 · 4 obs
● 2017-03-23 11:18:46
○ 2026-02-24 09:36:16
○ 2026-02-24 12:09:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| ctopen.org | cheryl.ns.cloudflare.com, mark.ns.cloudflare.com | - |
✅ Authoritative Response
Server: 173.245.58.83
NS records: cheryl.ns.cloudflare.com, mark.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctopen.org (unsigned zone)
⏱️ Timing
Total: 675ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.128.177, 104.21.2.41 |
| AAAA | 2 | 2606:4700:3033::ac43:80b1, 2606:4700:3036::6815:229 |
| NS | 2 | cheryl.ns.cloudflare.com, mark.ns.cloudflare.com |
| TXT | 1 | google-site-verification=lFVQEJ_UecEpEUM |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | cheryl.ns.cloudflare.com dns.cloudflare. |
AI analysis
ctopen.org maps to four IP numbers: 2606:4700:3033::ac43:80b1, 2606:4700:3036::6815:229, 104.21.2.41 and 172.67.128.177.
Other host names, for instance foreva.vn, www.spartamax-co.org, pgslot99.agency, aba77.org and questmedianetwork.co.uk share IP numbers with ctopen.org.
Two name servers cheryl.ns.cloudflare.com and mark.ns.cloudflare.com are delegated to ctopen.org.
ctopen.org uses the same name server configuration as other domains, such as criticalppp.com, statsaholic.com, startupsofpuertorico.com, xmms2.org and rdrsbangla.net.
ctopen.org at least partially shares name servers with other domains such as numantratech.com, 16banca.com, missionalcanadian.com, htmlsnap.com and draref.com.
These name servers are commonly used alongside leah.ns.cloudflare.com, logan.ns.cloudflare.com and princess.ns.cloudflare.com.
Host names with six IP numbers: Host name cheryl.ns.cloudflare.com points to 2606:4700:50::adf5:3a53, 2803:f800:50::6ca2:c053, 2a06:98c1:50::ac40:2053, 108.162.192.83, 172.64.32.83 and 173.245.58.83; host name mark.ns.cloudflare.com points to 2606:4700:58::adf5:3b82, 2803:f800:50::6ca2:c182, 2a06:98c1:50::ac40:2182, 108.162.193.130, 172.64.33.130 and 173.245.59.130.