21833s.com - robtex.com
21833s.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3037::6815:13a8🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:bafd🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.19.168Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.186.253🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | devin.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c31🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | devin.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c331🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | devin.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2331🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | devin.ns.cloudflare.com | ||||||
| A | 108.162.195.49🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | devin.ns.cloudflare.com | ||||||
| A | 162.159.44.49Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | devin.ns.cloudflare.com | ||||||
| A | 172.64.35.49🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | devin.ns.cloudflare.com | ||||||
| NS | melissa.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3ac7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | melissa.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0c7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | melissa.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20c7🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | melissa.ns.cloudflare.com | ||||||
| A | 108.162.192.199🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | melissa.ns.cloudflare.com | ||||||
| A | 172.64.32.199🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | melissa.ns.cloudflare.com | ||||||
| A | 173.245.58.199🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | melissa.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.19.168, 172.67.186.253 | ||||||
| IPv6 hints | 2606:4700:3037::6815:13a8, 2606:4700:3037::ac43:bafd | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=222, name=cloudflare-ech.com | ||||||
| SOA | devin.ns.cloudflare.comdns@cloudflare.com serial=2411028802 | ||||||
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=1786246389 | ||||||
Same first word
21833s.com |
Similar names
DNS History
6 records (6 active, 0 former)
●NSdevin.ns.cloudflare.com2026-07-27 → 2026-08-09 · 2 obs
● 2026-08-09 03:38:28
●NSmelissa.ns.cloudflare.com2026-07-27 → 2026-08-09 · 2 obs
● 2026-08-09 03:38:28
●A104.21.19.1682026-07-27 → 2026-08-09 · 2 obs
● 2026-08-09 03:38:28
●A172.67.186.2532026-07-27 → 2026-08-09 · 2 obs
● 2026-08-09 03:38:28
●A2606:4700:3037::6815:13a82026-07-27 → 2026-08-09 · 2 obs
● 2026-08-09 03:38:28
●A2606:4700:3037::ac43:bafd2026-07-27 → 2026-08-09 · 2 obs
● 2026-08-09 03:38:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 21833s.com | melissa.ns.cloudflare.com, devin.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.199
NS records: melissa.ns.cloudflare.com, devin.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21833s.com (unsigned zone)
⏱️ Timing
Total: 152ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.19.168, 172.67.186.253 |
| AAAA | 2 | 2606:4700:3037::ac43:bafd, 2606:4700:3037::6815:13a8 |
| NS | 2 | devin.ns.cloudflare.com, melissa.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | devin.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (melissa.ns.cloudflare.com, melissa.ns.cloudflare.com, melissa.ns.cloudflare.com...)
Analysis
IP Addresses
21833s.com directs to four IP numbers, which are 104.21.19.168, 172.67.186.253, 2606:4700:3037::6815:13a8 and 2606:4700:3037::ac43:bafd.
yitaipp.com, vrlego.com, bokepindo31.com and two other host names share IP numbers with 21833s.com.
Name Servers
21833s.com uses two name servers for its delegation: devin.ns.cloudflare.com and melissa.ns.cloudflare.com.
21833s.com uses the same name servers as several other domains — among them mgm3390.com, 88693n.com, 88952v.com and two more.
At least some of 21833s.com's name servers are shared with other domains, for example galacticrailways.com, vndebets.com, wl088.sendgrid.net and two more.
It is common for these name servers to be used in conjunction with the name servers opal.ns.cloudflare.com, michelle.ns.cloudflare.com and tiffany.ns.cloudflare.com.
Hostnames that resolve to 6 IP addresses:
Hostname devin.ns.cloudflare.com directs to 108.162.195.49, 162.159.44.49 and 172.64.35.49 along with 3 other IP addresses.
Hostname melissa.ns.cloudflare.com directs to 108.162.192.199, 172.64.32.199 and 173.245.58.199 along with 3 other IP addresses.