21doc.com - robtex.com
21doc.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774667812 | ||||||
Subdomains
www.21doc.com |
Same first word
Similar names
DNS History
9 records (3 active, 6 former)
●NSalina.ns.cloudflare.com2026-03-26 → 2026-03-28 · 3 obs
● 2026-03-26 05:28:32
● 2026-03-28 03:39:18
○NSjm1.dns.com2020-01-27 → 2020-01-27 · 4 obs
● 2020-01-27 12:50:04
○ 2026-03-26 05:28:32
○ 2026-03-28 03:39:18
○NSjm2.dns.com2020-01-27 → 2020-01-27 · 4 obs
● 2020-01-27 12:50:04
○ 2026-03-26 05:28:32
○ 2026-03-28 03:39:18
○NSjuming.dnsdun.com2016-01-05 → 2016-12-25 · 4 obs
● 2016-12-25 01:08:18
○ 2020-01-27 12:50:04
○ 2026-03-28 03:39:18
○NSjuming.dnsdun.net2016-12-25 → 2016-12-25 · 4 obs
● 2016-12-25 01:08:18
○ 2020-01-27 12:50:04
○ 2026-03-28 03:39:18
●NSlennon.ns.cloudflare.com2026-03-26 → 2026-03-28 · 3 obs
● 2026-03-26 05:28:32
● 2026-03-28 03:39:18
○A23.105.73.1502016-12-25 → 2016-12-25 · 3 obs
○ 2020-01-27 12:50:04
○ 2026-03-28 03:39:18
●A38.48.201.1122026-03-26 → 2026-03-28 · 3 obs
● 2026-03-26 05:28:32
● 2026-03-28 03:39:18
○A45.78.64.552020-01-27 → 2020-01-27 · 4 obs
● 2020-01-27 12:50:04
○ 2026-03-26 05:28:32
○ 2026-03-28 03:39:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 21doc.com | alina.ns.cloudflare.com, lennon.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.61
NS records: alina.ns.cloudflare.com, lennon.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21doc.com (unsigned zone)
⏱️ Timing
Total: 134ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.48.201.112 |
| NS | 2 | alina.ns.cloudflare.com, lennon.ns.cloudflare.com |
| SOA | 1 | alina.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (alina.ns.cloudflare.com, alina.ns.cloudflare.com, alina.ns.cloudflare.com...)
Analysis
Hierarchy
21doc.com is the parent of www.21doc.com.
IP Addresses
21doc.com resolves to a single IP address: 38.48.201.112.
Other host names such as www.21doc.com, bloodbank-tu.com and xdjyj.com share IP numbers with 21doc.com.
Name Servers
21doc.com's delegation uses two name servers, alina.ns.cloudflare.com and lennon.ns.cloudflare.com.
21doc.com shares the same name server setup as other domains, for example drawskin.com, china123456.com, lawnager.com, redbandb.com and nonweke.com.
21doc.com at least partially shares name servers with other domains, including inlimine.org, absolutefirepro.com, postfully.app, yakutcostume.ru and updater.tech.
Host names with six IP numbers:
alina.ns.cloudflare.com points to: 2606:4700:50::adf5:3a3d, 2803:f800:50::6ca2:c03d, 2a06:98c1:50::ac40:203d, 108.162.192.61, 172.64.32.61 and 173.245.58.61.
lennon.ns.cloudflare.com points to: 2606:4700:58::a29f:2ca5, 2803:f800:50::6ca2:c3a5, 2a06:98c1:50::ac40:23a5, 108.162.195.165, 162.159.44.165 and 172.64.35.165.