c21.pt - robtex.com
c21.pt
pt
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | curiosity.dns.pt ⭐ | ||||||
| NS | a.dns.pt | ||||||
| NS | b.dns.pt | ||||||
| NS | c.dns.pt | ||||||
| NS | d.dns.pt | ||||||
| NS | e.dns.pt | ||||||
| NS | g.dns.pt | ||||||
| NS | h.dns.pt | ||||||
| NS | ns.dns.br ⚠️ Not in parent delegation | ||||||
| NS | ns2.nic.fr ⚠️ Not in parent delegation | ||||||
| SOA | curiosity.dns.ptrequest@dns.pt 2026-05-13 #12 | ||||||
Same first word
Similar names
DNS History
8 records (8 active, 0 former)
●NSpriscilla.ns.cloudflare.com2026-05-05 → 2026-05-13 · 2 obs
● 2026-05-13 06:15:58
●NSstanley.ns.cloudflare.com2026-05-05 → 2026-05-13 · 2 obs
● 2026-05-13 06:15:58
●MXalt1.aspmx.l.google.com2026-05-05 → 2026-05-13 · 2 obs
● 2026-05-13 06:15:58
●MXalt2.aspmx.l.google.com2026-05-05 → 2026-05-13 · 2 obs
● 2026-05-13 06:15:58
●MXalt3.aspmx.l.google.com2026-05-05 → 2026-05-13 · 2 obs
● 2026-05-13 06:15:58
●MXalt4.aspmx.l.google.com2026-05-05 → 2026-05-13 · 2 obs
● 2026-05-13 06:15:58
●MXaspmx.l.google.com2026-05-05 → 2026-05-13 · 2 obs
● 2026-05-13 06:15:58
●A20.50.64.182026-05-05 → 2026-05-13 · 2 obs
● 2026-05-13 06:15:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pt | c.dns.pt, e.dns.pt, g.dns.pt, b.dns.pt... | - |
| c21.pt | priscilla.ns.cloudflare.com, stanley.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.38.189
NS records: priscilla.ns.cloudflare.com, stanley.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for c21.pt (unsigned zone)
⏱️ Timing
Total: 798ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 20.50.64.18 |
| NS | 2 | priscilla.ns.cloudflare.com, stanley.ns.cloudflare.com |
| MX | 5 | aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 5 | c21website3.azurewebsites.net, c21websiteptmaster.azurewebsites.net... |
| SOA | 1 | priscilla.ns.cloudflare.com dns.cloudfla |
Analysis
IP Addresses
c21.pt resolves to a single IP address: 20.50.64.18.
Other host names including sprakbilder.se, stopcontrabanda.ro, reversepoco.co.uk, waws-prod-db3-199-94e3.northeurope.cloudapp.azure.com and dxspark.com share IP numbers with c21.pt.
Name Servers
c21.pt's delegation uses two name servers, priscilla.ns.cloudflare.com and stanley.ns.cloudflare.com.
c21.pt shares the same name server setup as other domains, for example corcoran-atlantic.com, mysitec21.com, pedrini.com.br, 21onlineapp.com and c21iberia.com.
c21.pt at least partially shares name servers with other domains, including dabadex.com, driverdownloadsites.com, prmediation.com, superbtees.com and bfbs.com.
these name servers are commonly used together with kristin.ns.cloudflare.com, vida.ns.cloudflare.com and nora.ns.cloudflare.com.
Host names with six IP numbers:
priscilla.ns.cloudflare.com points to: 2606:4700:50::a29f:26bd, 2803:f800:50::6ca2:c2bd, 2a06:98c1:50::ac40:22bd, 108.162.194.189, 162.159.38.189 and 172.64.34.189.
stanley.ns.cloudflare.com points to: 2606:4700:58::a29f:2c8d, 2803:f800:50::6ca2:c38d, 2a06:98c1:50::ac40:238d, 108.162.195.141, 162.159.44.141 and 172.64.35.141.
Mail Servers
c21.pt is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
The mail servers for c21.pt are shared with other domains, for instance horizonhotel.in, neurolearner.com.br, tanitibiza.com, fivefavoritethings.com and ijiarec.com.
these mail servers are commonly used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers:
aspmx.l.google.com points to 2607:f8b0:4023:c03::1a and 142.250.101.26.
alt1.aspmx.l.google.com points to 2607:f8b0:4023:2801::1a and 192.178.128.26.
alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1a and 172.253.116.27.
alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1b and 192.178.223.26.
alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1b and 173.194.76.27.