css-lessons.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

css-lessons.dev

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:9a20🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:48e🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.4.142Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.154.32🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSitzel.ns.cloudflare.com ⭐
A2606:4700:50::a29f:262a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRitzel.ns.cloudflare.com
A2803:f800:50::6ca2:c22a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRitzel.ns.cloudflare.com
A2a06:98c1:50::ac40:222a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRitzel.ns.cloudflare.com
A108.162.194.42🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRitzel.ns.cloudflare.com
A162.159.38.42Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRitzel.ns.cloudflare.com
A172.64.34.42🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRitzel.ns.cloudflare.com
NSray.ns.cloudflare.com
A2606:4700:58::adf5:3b8a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRray.ns.cloudflare.com
A2803:f800:50::6ca2:c18a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRray.ns.cloudflare.com
A2a06:98c1:50::ac40:218a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRray.ns.cloudflare.com
A108.162.193.138🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRray.ns.cloudflare.com
A172.64.33.138🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRray.ns.cloudflare.com
A173.245.59.138🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRray.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.4.142, 172.67.154.32
IPv6 hints2606:4700:3031::ac43:9a20, 2606:4700:3034::6815:48e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=1, name=cloudflare-ech.com
SOAitzel.ns.cloudflare.comdns@cloudflare.com serial=2416757373

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Same first word

css-lessons.pages.dev
css-lessons.com
css-lessons.dev

Previous names

csquare.dev
csquared.dev
csquire.dev
csral.dev
csrc.dev
csrcastro.dev
csrd.dev
csrender.dev
csrescue.dev
csresearch.dev
csrg.dev
csrlogistics.dev
csro.dev
csrodrigues.dev
csrs.dev
csrxfire.dev
css-eass.dev
css-for-js.dev
css-in-js.dev
css.dev

Next names

css-only.dev
css-selectors.dev
css-tools.dev
css-variables-assistant.dev
css4.dev
css5.dev
cssadventcalendar.dev
cssan.dev
cssapi.dev
cssbattle.dev
cssbox.dev
cssbynumbers.dev
cssc.dev
csscheck.dev
csscode.dev
csscoffee.dev
csscomputer.dev
cssd.dev
cssdaily.dev
cssdc.dev

DNS History

10 records (6 active, 4 former)

NSitzel.ns.cloudflare.comray.ns.cloudflare.comA104.21.4.142172.67.154.322606:4700:3031::ac43:9a202606:4700:3034::6815:48e188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSitzel.ns.cloudflare.com2026-09-22 → 2026-10-30 · 2 obs
● 2026-09-22 22:16:16
● 2026-10-30 15:25:54
●NSray.ns.cloudflare.com2026-09-22 → 2026-10-30 · 2 obs
● 2026-09-22 22:16:16
● 2026-10-30 15:25:54
●A104.21.4.1422026-09-25 → 2026-10-30 · 3 obs
○ 2026-09-22 22:16:16
● 2026-09-25 15:50:04
● 2026-10-30 15:25:54
●A172.67.154.322026-09-25 → 2026-10-30 · 3 obs
○ 2026-09-22 22:16:16
● 2026-09-25 15:50:04
● 2026-10-30 15:25:54
○A188.114.96.02026-09-22 → 2026-09-22 · 3 obs
● 2026-09-22 22:16:16
○ 2026-09-25 15:50:04
○ 2026-10-30 15:25:54
○A188.114.97.02026-09-22 → 2026-09-22 · 3 obs
● 2026-09-22 22:16:16
○ 2026-09-25 15:50:04
○ 2026-10-30 15:25:54
●A2606:4700:3031::ac43:9a202026-09-25 → 2026-10-30 · 3 obs
○ 2026-09-22 22:16:16
● 2026-09-25 15:50:04
● 2026-10-30 15:25:54
●A2606:4700:3034::6815:48e2026-09-25 → 2026-10-30 · 3 obs
○ 2026-09-22 22:16:16
● 2026-09-25 15:50:04
● 2026-10-30 15:25:54
○A2a06:98c1:3120::2026-09-22 → 2026-09-22 · 3 obs
● 2026-09-22 22:16:16
○ 2026-09-25 15:50:04
○ 2026-10-30 15:25:54
○A2a06:98c1:3121::2026-09-22 → 2026-09-22 · 3 obs
● 2026-09-22 22:16:16
○ 2026-09-25 15:50:04
○ 2026-10-30 15:25:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...10 records
css-lessons.devray.ns.cloudflare.com, itzel.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.138

NS records: ray.ns.cloudflare.com, itzel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for css-lessons.dev (unsigned zone)

⏱️ Timing

Total: 955ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.154.32, 104.21.4.142
AAAA22606:4700:3034::6815:48e, 2606:4700:3031::ac43:9a20
NS2itzel.ns.cloudflare.com, ray.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1itzel.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

css-lessons.dev has four IP addresses: 104.21.4.142, 172.67.154.32, 2606:4700:3031::ac43:9a20 and 2606:4700:3034::6815:48e.

diyishangjia.com, shoppingcities.com, carouselchrysler.com and two other host names share IP numbers with css-lessons.dev.

Name Servers

Two name servers handle the delegation for css-lessons.dev: itzel.ns.cloudflare.com and ray.ns.cloudflare.com.

css-lessons.dev uses the same name servers as several other domains — among them ukbritishiptv.pages.dev, videobio.pages.dev, contacto-parmelia.pages.dev and two more.

css-lessons.dev partially shares its NS delegation with several other domains, including neamatinafiseh.workers.dev, centerselas.com.br, 38559333.com and two others.

In DNS configurations, these name servers often share authority with ben.ns.cloudflare.com, dexter.ns.cloudflare.com, ines.ns.cloudflare.com and 3 other name servers.

Hostnames that resolve to 6 IP addresses:

itzel.ns.cloudflare.com resolves to 108.162.194.42, 162.159.38.42 and 172.64.34.42 among others, with 3 other IP addresses in total.

ray.ns.cloudflare.com resolves to 108.162.193.138, 172.64.33.138 and 173.245.59.138 among others, with 3 other IP addresses in total.