21stnc.us - robtex.com
21stnc.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=1774566977 | ||||||
Same first word
Similar names
DNS History
7 records (7 active, 0 former)
●NSamy.ns.cloudflare.com2026-02-19 → 2026-03-26 · 2 obs
● 2026-03-26 23:46:46
●NSfred.ns.cloudflare.com2026-02-19 → 2026-03-26 · 2 obs
● 2026-03-26 23:46:46
●MX21stnc-us.mail.protection.outlook.com2026-02-19 → 2026-03-26 · 2 obs
● 2026-03-26 23:46:46
●A104.21.44.1242026-02-19 → 2026-03-26 · 2 obs
● 2026-03-26 23:46:46
●A172.67.199.1902026-02-19 → 2026-03-26 · 2 obs
● 2026-03-26 23:46:46
●A2606:4700:3032::6815:2c7c2026-02-19 → 2026-03-26 · 2 obs
● 2026-03-26 23:46:46
●A2606:4700:3033::ac43:c7be2026-02-19 → 2026-03-26 · 2 obs
● 2026-03-26 23:46:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | m.cctld.us, x.cctld.us, b.cctld.us, y.cctld.us... | - |
| 21stnc.us | amy.ns.cloudflare.com, fred.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.32.101
NS records: amy.ns.cloudflare.com, fred.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21stnc.us (unsigned zone)
⏱️ Timing
Total: 451ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.199.190, 104.21.44.124 |
| AAAA | 2 | 2606:4700:3032::6815:2c7c, 2606:4700:3033::ac43:c7be |
| NS | 2 | amy.ns.cloudflare.com, fred.ns.cloudflare.com |
| MX | 1 | 21stnc-us.mail.protection.outlook.com (p |
| TXT | 2 | MS=ms85035068, v=spf1 include:spf.protection.outlook.co |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | amy.ns.cloudflare.com dns.cloudflare.com |
Analysis
IP Addresses
21stnc.us resolves to four IPs: 2606:4700:3032::6815:2c7c, 2606:4700:3033::ac43:c7be, 104.21.44.124 and 172.67.199.190.
Other host names, for instance vickyhundt.com, ash-compact.de, www.miniklub1.in, miniklub1.in and ve.all.biz share IP numbers with 21stnc.us.
Name Servers
21stnc.us has two name servers: amy.ns.cloudflare.com and fred.ns.cloudflare.com.
21stnc.us shares the same name server setup as other domains, for example agfmedia.com, bettolinokitchen.com, vmaystore.com, littlewigan.co.uk and allende.me.
21stnc.us shares some name servers with other domains, for example hendee.com, annieclougherty.com, brawny.top, modi.ir and leedshost.com.
These name servers are commonly used together with byron.ns.cloudflare.com and zelda.ns.cloudflare.com.
Host names with six IP numbers: amy.ns.cloudflare.com points to: 2606:4700:50::adf5:3a65, 2803:f800:50::6ca2:c065, 2a06:98c1:50::ac40:2065, 108.162.192.101, 172.64.32.101 and 173.245.58.101; fred.ns.cloudflare.com points to: 2606:4700:58::adf5:3b71, 2803:f800:50::6ca2:c171, 2a06:98c1:50::ac40:2171, 108.162.193.113, 172.64.33.113 and 173.245.59.113.
Mail Servers
21stnc.us is handled by a single mail server, 21stnc-us.mail.protection.outlook.com.
Host 21stnc-us.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c902::2, 2a01:111:f403:c946::, 2a01:111:f403:f90d::, 2a01:111:f403:f913::, 52.101.10.16, 52.101.11.2, 52.101.41.22 and 52.101.50.13.