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::adf5:3a49🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | becky.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c049🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | becky.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2049🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | becky.ns.cloudflare.com | ||||||
| A | 108.162.192.73🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | becky.ns.cloudflare.com | ||||||
| A | 172.64.32.73🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | becky.ns.cloudflare.com | ||||||
| A | 173.245.58.73🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | becky.ns.cloudflare.com | ||||||
| NS | dale.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b5f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dale.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c15f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | dale.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:215f🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | dale.ns.cloudflare.com | ||||||
| A | 108.162.193.95🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dale.ns.cloudflare.com | ||||||
| A | 172.64.33.95🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dale.ns.cloudflare.com | ||||||
| A | 173.245.59.95🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dale.ns.cloudflare.com | ||||||
| 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 07:24:58
●NSdale.ns.cloudflare.com2026-03-03 → 2026-03-18 · 2 obs
● 2026-03-18 07:24:58
●A104.21.49.902026-03-03 → 2026-03-18 · 2 obs
● 2026-03-18 07:24:58
●A172.67.189.1122026-03-03 → 2026-03-18 · 2 obs
● 2026-03-18 07:24:58
●A2606:4700:3034::ac43:bd702026-03-03 → 2026-03-18 · 2 obs
● 2026-03-18 07:24:58
●A2606:4700:3037::6815:315a2026-03-03 → 2026-03-18 · 2 obs
● 2026-03-18 07:24:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net, b.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: 177ms | 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.
53c21.com shares name servers with other domains at least partially, for instance jenius196pro.online, divesafe.co.uk, jpmarketing.co.uk, adze.co.uk and szwznk01.com.
These name servers are often used with chelsea.ns.cloudflare.com, trace.ns.cloudflare.com, moura.ns.cloudflare.com, howard.ns.cloudflare.com and lilyana.ns.cloudflare.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.