cssmastery.com - dns.ninja

`cssmastery.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3037::6815:2b0b^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:d7b2^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.43.11^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.215.178^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`casey.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c9e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`casey.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c39e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`casey.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:239e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`casey.ns.cloudflare.com`
		A	108.162.195.158^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`casey.ns.cloudflare.com`
		A	162.159.44.158^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`casey.ns.cloudflare.com`
		A	172.64.35.158^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`casey.ns.cloudflare.com`
NS	`kristin.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ab5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kristin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kristin.ns.cloudflare.com`
		A	108.162.192.181^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
		A	172.64.32.181^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
		A	173.245.58.181^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
MX	`mx1-hosting.jellyfish.systems` ⭐
		A	162.255.118.28^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`oxse3a.privateemail.com`
MX	`mx2-hosting.jellyfish.systems`⁽¹⁰⁾
		A	162.255.118.29^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`oxse2b.privateemail.com`
MX	`mx3-hosting.jellyfish.systems`⁽²⁰⁾
		A	162.255.118.13^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`mx3-hosting.jellyfish.systems`
TXT	`v=spf1 +a +mx +ip4:63.250.38.213 include:spf.web-hosting.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.43.11, 172.67.215.178
		IPv6 hints	2606:4700:3037::6815:2b0b, 2606:4700:3037::ac43:d7b2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=39, name=cloudflare-ech.com
SOA	`casey.ns.cloudflare.com`dns@cloudflare.com serial=2410052471

`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=1785774717

WOT: SAFE (67/100)

Same first word

cssmastery.com

Similar names

DNS History

11 records (9 active, 2 former)

●NScasey.ns.cloudflare.com2026-02-20 → 2026-08-03 · 2 obs

● 2026-02-20 02:29:32
● 2026-08-03 16:33:44

●NSkristin.ns.cloudflare.com2026-02-20 → 2026-08-03 · 2 obs

● 2026-02-20 02:29:32
● 2026-08-03 16:33:44

●MXmx1-hosting.jellyfish.systems2026-02-20 → 2026-08-03 · 2 obs

● 2026-02-20 02:29:32
● 2026-08-03 16:33:44

●MXmx2-hosting.jellyfish.systems2026-02-20 → 2026-08-03 · 2 obs

● 2026-02-20 02:29:32
● 2026-08-03 16:33:44

●MXmx3-hosting.jellyfish.systems2026-02-20 → 2026-08-03 · 2 obs

● 2026-02-20 02:29:32
● 2026-08-03 16:33:44

●A104.21.43.112026-02-20 → 2026-08-03 · 2 obs

● 2026-02-20 02:29:32
● 2026-08-03 16:33:44

●A172.67.215.1782026-02-20 → 2026-08-03 · 2 obs

● 2026-02-20 02:29:32
● 2026-08-03 16:33:44

○A2606:4700:3035::ac43:d7b22026-02-20 → 2026-06-03 · 4 obs

● 2026-02-20 02:29:32
● 2026-06-03 10:13:06
○ 2026-07-02 07:08:40
○ 2026-08-03 16:33:44

○A2606:4700:3036::6815:2b0b2026-02-20 → 2026-06-03 · 4 obs

● 2026-02-20 02:29:32
● 2026-06-03 10:13:06
○ 2026-07-02 07:08:40
○ 2026-08-03 16:33:44

●A2606:4700:3037::6815:2b0b2026-07-02 → 2026-08-03 · 3 obs

○ 2026-06-03 10:13:06
● 2026-07-02 07:08:40
● 2026-08-03 16:33:44

●A2606:4700:3037::ac43:d7b22026-07-02 → 2026-08-03 · 3 obs

○ 2026-06-03 10:13:06
● 2026-07-02 07:08:40
● 2026-08-03 16:33:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net...	-
cssmastery.com	kristin.ns.cloudflare.com, casey.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.181

NS records: kristin.ns.cloudflare.com, casey.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cssmastery.com (unsigned zone)

⏱️ Timing

Total: 1598ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.43.11, 172.67.215.178`
AAAA	2	`2606:4700:3037::ac43:d7b2, 2606:4700:3037::6815:2b0b`
NS	2	`casey.ns.cloudflare.com, kristin.ns.cloudflare.com`
MX	3	`mx2-hosting.jellyfish.systems (pri: 10), mx3-hosting.jellyfish.systems (pri: 20)...`
TXT	1	`v=spf1 +a +mx +ip4:63.250.38.213 include`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`casey.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

cssmastery.com directs to four IP numbers, which are 104.21.43.11, 172.67.215.178, 2606:4700:3037::6815:2b0b and 2606:4700:3037::ac43:d7b2.

Additional host names — dychce.com, happy-harrys.com, jpassociates.net and two others — share IP numbers with cssmastery.com.

Name Servers

cssmastery.com is served by two delegated name servers, casey.ns.cloudflare.com and kristin.ns.cloudflare.com.

cssmastery.com shares its name server setup with other domains, including qirenaaryno.com, nail-service.com, aptgetrekt.com and two others.

The name servers of cssmastery.com overlap at least partially with those of other domains — among them ylscy.com, claudeofficial123.workers.dev, diningcity.be and two more.

These name servers commonly appear in combination with the name servers kim.ns.cloudflare.com.

Host names with 6 IP numbers:

casey.ns.cloudflare.com carries IP addresses 108.162.195.158, 162.159.44.158 and 172.64.35.158, with 3 other addresses beyond those.

kristin.ns.cloudflare.com carries IP addresses 108.162.192.181, 172.64.32.181 and 173.245.58.181, with 3 other addresses beyond those.

Mail Servers

Mail for cssmastery.com is routed through three mail servers — mx1-hosting.jellyfish.systems, mx2-hosting.jellyfish.systems and mx3-hosting.jellyfish.systems.

cssmastery.com shares mail servers — at least in part — with other domains, including blingjet.com, riverservices.net, sinfin.com.mx and two others.

Three hostnames, one IP address apiece: mx1-hosting.jellyfish.systems resolves to 162.255.118.28, mx2-hosting.jellyfish.systems resolves to 162.255.118.29 and mx3-hosting.jellyfish.systems resolves to 162.255.118.13.