study4class.pro - robtex.com
study4class.pro
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3033::ac43:df46πΊπΈ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:5e79πΊπΈ Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.94.121Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.223.70πΊπΈ Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | dave.ns.cloudflare.com β | ||||||
| A | 2606:4700:58::adf5:3b6dπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c16dπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:216dπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| A | 108.162.193.109πΊπΈ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| A | 172.64.33.109πΊπΈ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| A | 173.245.59.109πΊπΈ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| NS | lady.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a7fπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lady.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c07fπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | lady.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:207fπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | lady.ns.cloudflare.com | ||||||
| A | 108.162.192.127πΊπΈ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lady.ns.cloudflare.com | ||||||
| A | 172.64.32.127πΊπΈ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lady.ns.cloudflare.com | ||||||
| A | 173.245.58.127πΊπΈ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lady.ns.cloudflare.com | ||||||
| TXT | google-site-verification=oKkicV_45qBmnEkTrTO7QFb_dZ6tQZqlz9XEQwtZEVU | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.94.121, 172.67.223.70 | ||||||
| IPv6 hints | 2606:4700:3033::ac43:df46, 2606:4700:3036::6815:5e79 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=228, name=cloudflare-ech.com | ||||||
| SOA | dave.ns.cloudflare.comdns@cloudflare.com serial=2418242068 | ||||||
pro
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a0.pro.afilias-nst.info β | ||||||
| NS | a2.pro.afilias-nst.info | ||||||
| NS | b0.pro.afilias-nst.org | ||||||
| NS | b2.pro.afilias-nst.org | ||||||
| NS | c0.pro.afilias-nst.info | ||||||
| NS | d0.pro.afilias-nst.org | ||||||
| SOA | a0.pro.afilias-nst.infohostmaster@donuts.email serial=1792945483 | ||||||
Same first word
study4class.com |
study4class.pro |
Previous names
Next names
DNS History
10 records (6 active, 4 former)
βNSdave.ns.cloudflare.com2026-10-23 β 2026-10-25 Β· 2 obs
β 2026-10-25 16:49:42
βNSlady.ns.cloudflare.com2026-10-23 β 2026-10-25 Β· 2 obs
β 2026-10-25 16:49:42
βA104.21.94.1212026-10-23 β 2026-10-25 Β· 3 obs
β 2026-10-23 16:31:02
β 2026-10-25 16:49:42
βA172.67.223.702026-10-23 β 2026-10-25 Β· 3 obs
β 2026-10-23 16:31:02
β 2026-10-25 16:49:42
βA188.114.96.02026-10-23 β 2026-10-23 Β· 3 obs
β 2026-10-23 16:31:02
β 2026-10-25 16:49:42
βA188.114.97.02026-10-23 β 2026-10-23 Β· 3 obs
β 2026-10-23 16:31:02
β 2026-10-25 16:49:42
βA2606:4700:3033::ac43:df462026-10-23 β 2026-10-25 Β· 3 obs
β 2026-10-23 16:31:02
β 2026-10-25 16:49:42
βA2606:4700:3036::6815:5e792026-10-23 β 2026-10-25 Β· 3 obs
β 2026-10-23 16:31:02
β 2026-10-25 16:49:42
βA2a06:98c1:3120::2026-10-23 β 2026-10-23 Β· 3 obs
β 2026-10-23 16:31:02
β 2026-10-25 16:49:42
βA2a06:98c1:3121::2026-10-23 β 2026-10-23 Β· 3 obs
β 2026-10-23 16:31:02
β 2026-10-25 16:49:42
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pro | a0.pro.afilias-nst.info, a2.pro.afilias-nst.info, b0.pro.afilias-nst.org, b2.pro.afilias-nst.org... | - |
| study4class.pro | dave.ns.cloudflare.com, lady.ns.cloudflare.com | - |
β Authoritative Response
Server:108.162.192.127
NS records: dave.ns.cloudflare.com, lady.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for study4class.pro (unsigned zone)
β±οΈ Timing
Total: 1433ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.94.121, 172.67.223.70 |
| AAAA | 2 | 2606:4700:3033::ac43:df46, 2606:4700:3036::6815:5e79 |
| NS | 2 | dave.ns.cloudflare.com, lady.ns.cloudflare.com |
| TXT | 1 | google-site-verification=oKkicV_45qBmnEk |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | dave.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
study4class.pro points to the four IP addresses 104.21.94.121, 172.67.223.70, 2606:4700:3033::ac43:df46 and 2606:4700:3036::6815:5e79.
Additional host names β zarnovexa.com, enzo-casino.ae.org, villainkissimmee.co.uk and two others β share IP numbers with study4class.pro.
Name Servers
The NS records for study4class.pro delegate to dave.ns.cloudflare.com and lady.ns.cloudflare.com.
study4class.pro shares its name server setup with other domains, including listalyze.com, halomam.id, frog-lol.pages.dev and two others.
At least some of study4class.pro's name servers are shared with other domains, for example hypermailai.workers.dev, jasongperezm.pages.dev, 66789.club and two more.
It is common for these name servers to be used in conjunction with the name servers mimi.ns.cloudflare.com, marissa.ns.cloudflare.com and mira.ns.cloudflare.com.
Host names with 6 IP numbers:
dave.ns.cloudflare.com maps to 108.162.193.109, 172.64.33.109, 173.245.59.109 and 3 additional IP addresses.
lady.ns.cloudflare.com maps to 108.162.192.127, 172.64.32.127, 173.245.58.127 and 3 additional IP addresses.