cjohnson.us - robtex.com
cjohnson.us
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1774650988 | ||||||
Same first word
DNS History
4 records (4 active, 0 former)
●NShank.ns.cloudflare.com2026-02-15 → 2026-03-27 · 2 obs
● 2026-03-27 22:59:54
●NShope.ns.cloudflare.com2026-02-15 → 2026-03-27 · 2 obs
● 2026-03-27 22:59:54
●MXmx01.mail.icloud.com2026-02-15 → 2026-03-27 · 2 obs
● 2026-03-27 22:59:54
●MXmx02.mail.icloud.com2026-02-15 → 2026-03-27 · 2 obs
● 2026-03-27 22:59:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | n.cctld.us, b.cctld.us, f.cctld.us, w.cctld.us... | - |
| cjohnson.us | hank.ns.cloudflare.com, hope.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.32.163
NS records: hank.ns.cloudflare.com, hope.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cjohnson.us (unsigned zone)
⏱️ Timing
Total: 942ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | hank.ns.cloudflare.com, hope.ns.cloudflare.com |
| MX | 2 | mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10) |
| TXT | 2 | apple-domain=qWepNtm3rDZTknPx, v=spf1 include:icloud.com ~all |
| SOA | 1 | hank.ns.cloudflare.com dns.cloudflare.co |
Analysis
Name Servers
cjohnson.us has two name servers: hank.ns.cloudflare.com and hope.ns.cloudflare.com.
cjohnson.us shares the same name server setup as other domains, for example gobox.com.br, jaropol.com.pl, reword.id, dedaoqifu.com and wsu.com.br.
cjohnson.us shares some name servers with other domains, for example esnsalamanca.com, alphacam.mx, piko.live, thomasvillefh.com and vetreriaglass.it.
These name servers are commonly used alongside dolly.ns.cloudflare.com, jobs.ns.cloudflare.com, amit.ns.cloudflare.com and lady.ns.cloudflare.com.
Host names with six IP numbers: hank.ns.cloudflare.com points to: 2606:4700:58::adf5:3b74, 2803:f800:50::6ca2:c174, 2a06:98c1:50::ac40:2174, 108.162.193.116, 172.64.33.116 and 173.245.59.116; hope.ns.cloudflare.com points to: 2606:4700:50::adf5:3aa3, 2803:f800:50::6ca2:c0a3, 2a06:98c1:50::ac40:20a3, 108.162.192.163, 172.64.32.163 and 173.245.58.163.
Mail Servers
cjohnson.us is served by two mail servers: mx01.mail.icloud.com and mx02.mail.icloud.com.
cjohnson.us shares the mail server setup with other domains, for example scpio.net, jraisanen.com, carytechnologies.com, security-pros.org and pnxstudio.com.
cjohnson.us shares mail servers with other domains at least partially, for example ipshk.com, britse.com, chalama.net and angusyoung.co.uk.
these mail servers are commonly used alongside the mail servers aspmx.l.google.com.
Host names with six IP numbers: mx01.mail.icloud.com points to 17.42.251.62, 17.56.9.31, 17.57.152.5, 17.57.154.33, 17.57.155.25 and 17.57.156.30. The host name mx02.mail.icloud.com points to the same six: 17.42.251.62, 17.56.9.31, 17.57.152.5, 17.57.154.33, 17.57.155.25 and 17.57.156.30. The IPs 17.42.251.62, 17.56.9.31, 17.57.152.5, 17.57.154.33, 17.57.155.25 and 17.57.156.30 are shared by host names mx01.mail.icloud.com and mx02.mail.icloud.com.
Host names that point to 17.42.251.62: mx01.mail.icloud.com and mx02.mail.icloud.com. Host names that point to 17.56.9.31: mx01.mail.icloud.com and mx02.mail.icloud.com. Host names that point to 17.57.152.5: mx01.mail.icloud.com and mx02.mail.icloud.com. Host names that point to 17.57.154.33: mx01.mail.icloud.com and mx02.mail.icloud.com. Host names that point to 17.57.155.25: mx01.mail.icloud.com and mx02.mail.icloud.com. Host names that point to 17.57.156.30: mx01.mail.icloud.com and mx02.mail.icloud.com.