53c21.com - robtex.com
53c21.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::ac43:bd70🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:315a🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.49.90Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.189.112🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | becky.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a49Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 2803:f800:50::6ca2:c049Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| A | 2a06:98c1:50::ac40:2049Cloudflare2a06:98c1:50::/45 | ||||||
| A | 108.162.192.73Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.32.73Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 173.245.58.73Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | dale.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b5fCloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 2803:f800:50::6ca2:c15fCloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| A | 2a06:98c1:50::ac40:215fCloudflare2a06:98c1:50::/45 | ||||||
| A | 108.162.193.95Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.33.95Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 173.245.59.95Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.49.90, 172.67.189.112 | ||||||
| IPv6 | 2606:4700:3034::ac43:bd70, 2606:4700:3037::6815:315a | ||||||
| SOA | becky.ns.cloudflare.comdns@cloudflare.com serial=2396881597 | ||||||
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=1771291435 | ||||||
Same first word
53c21.com |
Similar names
DNS History
6 records (6 active, 0 former)
●NSbecky.ns.cloudflare.com2026-03-03 → 2026-03-18 · 2 obs
● 2026-03-18 08:56:48
●NSdale.ns.cloudflare.com2026-03-03 → 2026-03-18 · 2 obs
● 2026-03-18 08:56:48
●A104.21.49.902026-03-03 → 2026-03-18 · 2 obs
● 2026-03-18 08:56:48
●A172.67.189.1122026-03-03 → 2026-03-18 · 2 obs
● 2026-03-18 08:56:48
●A2606:4700:3034::ac43:bd702026-03-03 → 2026-03-18 · 2 obs
● 2026-03-18 08:56:48
●A2606:4700:3037::6815:315a2026-03-03 → 2026-03-18 · 2 obs
● 2026-03-18 08:56:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 53c21.com | becky.ns.cloudflare.com, dale.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server: 108.162.192.73
NS records: becky.ns.cloudflare.com, dale.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 53c21.com (unsigned zone)
⏱️ Timing
Total: 514ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.189.112, 104.21.49.90 |
| AAAA | 2 | 2606:4700:3037::6815:315a, 2606:4700:3034::ac43:bd70 |
| NS | 2 | becky.ns.cloudflare.com, dale.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | becky.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (becky.ns.cloudflare.com, becky.ns.cloudflare.com, becky.ns.cloudflare.com...)
Analysis
IP Addresses
53c21.com points to four IP numbers: 2606:4700:3034::ac43:bd70, 2606:4700:3037::6815:315a, 104.21.49.90 and 172.67.189.112.
Other host names, for instance happinesschildcare.com, kokov.cn, carseatblog.com, click2sell.net and stmarkscollege.ca share IP numbers with 53c21.com.
Name Servers
53c21.com is delegated to two name servers: becky.ns.cloudflare.com and dale.ns.cloudflare.com.
53c21.com uses the same name server setup as other domains, for instance xx88zz.com, 8a8a3.com, 8a7c1.com, bb99cc.com and 8a5c7.com.
Host names with six IP numbers: becky.ns.cloudflare.com points to 2606:4700:50::adf5:3a49, 2803:f800:50::6ca2:c049, 2a06:98c1:50::ac40:2049, 108.162.192.73, 172.64.32.73 and 173.245.58.73; dale.ns.cloudflare.com points to 2606:4700:58::adf5:3b5f, 2803:f800:50::6ca2:c15f, 2a06:98c1:50::ac40:215f, 108.162.193.95, 172.64.33.95 and 173.245.59.95.