4cx.io - robtex.com
4cx.io
io
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.io ⭐ | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1775429609 | ||||||
Same first word
Similar names
DNS History
7 records (7 active, 0 former)
●NSpranab.ns.cloudflare.com2026-03-03 → 2026-04-05 · 2 obs
● 2026-04-05 23:19:16
●NSteagan.ns.cloudflare.com2026-03-03 → 2026-04-05 · 2 obs
● 2026-04-05 23:19:16
●MX4cx-io.mail.protection.outlook.com2026-03-03 → 2026-04-05 · 2 obs
● 2026-04-05 23:19:16
●A104.21.48.1752026-03-03 → 2026-04-05 · 2 obs
● 2026-04-05 23:19:16
●A172.67.187.1072026-03-03 → 2026-04-05 · 2 obs
● 2026-04-05 23:19:16
●A2606:4700:3032::6815:30af2026-03-03 → 2026-04-05 · 2 obs
● 2026-04-05 23:19:16
●A2606:4700:3037::ac43:bb6b2026-03-03 → 2026-04-05 · 2 obs
● 2026-04-05 23:19:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io | - |
| 4cx.io | teagan.ns.cloudflare.com, pranab.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.199
NS records: teagan.ns.cloudflare.com, pranab.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4cx.io (unsigned zone)
⏱️ Timing
Total: 367ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.48.175, 172.67.187.107 |
| AAAA | 2 | 2606:4700:3032::6815:30af, 2606:4700:3037::ac43:bb6b |
| NS | 2 | pranab.ns.cloudflare.com, teagan.ns.cloudflare.com |
| MX | 1 | 4cx-io.mail.protection.outlook.com (pri: |
| TXT | 6 | NETORGFT18306477.onmicrosoft.com, brevo-code:36165c2bcab06f12bddcbc2eabde6... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | pranab.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
4cx.io refers to four IP numbers: 2606:4700:3032::6815:30af, 2606:4700:3037::ac43:bb6b, 104.21.48.175 and 172.67.187.107.
Other host names, for instance skyconsulti-ng360.digital, columbiaclays.com, sandhawke.com, www.reshuiqixn.cn and legalconsulting.biz share IP numbers with 4cx.io.
Name Servers
4cx.io's delegation uses two name servers: pranab.ns.cloudflare.com and teagan.ns.cloudflare.com.
4cx.io uses the same name server configuration as other domains, for example vitropharmacy.com, projectrank.com and luxarc.lu.
4cx.io at least partially shares name servers with other domains, including zerofrecuency.com, closersinfo.xyz, masterbrand.com.cn, obzm.cn and loaded.news.
These name servers are often used with amos.ns.cloudflare.com and jay.ns.cloudflare.com.
Host names with six IP numbers:
pranab.ns.cloudflare.com points to 2606:4700:58::a29f:2cc7, 2803:f800:50::6ca2:c3c7, 2a06:98c1:50::ac40:23c7, 108.162.195.199, 162.159.44.199 and 172.64.35.199.
teagan.ns.cloudflare.com points to 2606:4700:50::a29f:26ae, 2803:f800:50::6ca2:c2ae, 2a06:98c1:50::ac40:22ae, 108.162.194.174, 162.159.38.174 and 172.64.34.174.
Mail Servers
A single mail server handles 4cx.io, 4cx-io.mail.protection.outlook.com.
Host 4cx-io.mail.protection.outlook.com points to eight IPs: 2a01:111:f403:c902::2, 2a01:111:f403:c91d::b, 2a01:111:f403:c946::2, 2a01:111:f403:c946::3, 40.93.192.4, 52.101.10.10, 52.101.11.9 and 52.101.40.1.