`csl21.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:df99^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:362f^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.54.47^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.223.153^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`desi.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a60^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`desi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c060^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`desi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2060^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`desi.ns.cloudflare.com`
		A	108.162.192.96^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`desi.ns.cloudflare.com`
		A	172.64.32.96^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`desi.ns.cloudflare.com`
		A	173.245.58.96^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`desi.ns.cloudflare.com`
NS	`woz.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b96^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`woz.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c196^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`woz.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2196^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`woz.ns.cloudflare.com`
		A	108.162.193.150^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`woz.ns.cloudflare.com`
		A	172.64.33.150^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`woz.ns.cloudflare.com`
		A	173.245.59.150^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`woz.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.54.47, 172.67.223.153
		IPv6	2606:4700:3034::ac43:df99, 2606:4700:3035::6815:362f
SOA	`desi.ns.cloudflare.com`dns@cloudflare.com serial=2399070420

`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.net`nstld@verisign-grs.com serial=1771291435

⚠️ On DNS blocklist: tif

Same first word

csl21.com

Similar names

c21sl.com

21cls.com

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net...	-
csl21.com	woz.ns.cloudflare.com, desi.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.96

NS records: woz.ns.cloudflare.com, desi.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for csl21.com (unsigned zone)

⏱️ Timing

Total: 1491ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.223.153, 104.21.54.47`
AAAA	2	`2606:4700:3035::6815:362f, 2606:4700:3034::ac43:df99`
NS	2	`desi.ns.cloudflare.com, woz.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`desi.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (woz.ns.cloudflare.com, woz.ns.cloudflare.com, woz.ns.cloudflare.com...)

Analysis

IP Addresses

csl21.com resolves to four IPs: 2606:4700:3034::ac43:df99, 2606:4700:3035::6815:362f, 104.21.54.47 and 172.67.223.153.

Other host names, for instance cdn.gold-ssdsvr.net, www.somofo.com, streamspigot.com, www.vegatv.sk and utour-club.com share IP numbers with csl21.com.

Name Servers

csl21.com has two name servers: desi.ns.cloudflare.com and woz.ns.cloudflare.com.

csl21.com shares the same name server setup as other domains, for example xywy04.com, chicago-seminars.com, exsafty.com, dttcsy.com and baidu502.com.

csl21.com shares some name servers with other domains, for example txvlog.love, aeplatform.com, scalemodel.net, hongwuxing.com.cn and ruxfea.com.cn.

These name servers are commonly used together with wells.ns.cloudflare.com and odin.ns.cloudflare.com.

Host names with six IP numbers: desi.ns.cloudflare.com points to: 2606:4700:50::adf5:3a60, 2803:f800:50::6ca2:c060, 2a06:98c1:50::ac40:2060, 108.162.192.96, 172.64.32.96 and 173.245.58.96; woz.ns.cloudflare.com points to: 2606:4700:58::adf5:3b96, 2803:f800:50::6ca2:c196, 2a06:98c1:50::ac40:2196, 108.162.193.150, 172.64.33.150 and 173.245.59.150.

csl21.com - robtex.com

csl21.com

com