study30.online - robtex.com
study30.online
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:935f🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3032::6815:2984🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.41.132Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.147.95🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | hans.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3baf🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hans.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1af🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | hans.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21af🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | hans.ns.cloudflare.com | ||||||
| A | 108.162.193.175🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hans.ns.cloudflare.com | ||||||
| A | 172.64.33.175🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hans.ns.cloudflare.com | ||||||
| A | 173.245.59.175🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hans.ns.cloudflare.com | ||||||
| NS | josephine.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:2640🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | josephine.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c240🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | josephine.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2240🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | josephine.ns.cloudflare.com | ||||||
| A | 108.162.194.64🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | josephine.ns.cloudflare.com | ||||||
| A | 162.159.38.64Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | josephine.ns.cloudflare.com | ||||||
| A | 172.64.34.64🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | josephine.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.41.132, 172.67.147.95 | ||||||
| IPv6 | 2606:4700:3031::ac43:935f, 2606:4700:3032::6815:2984 | ||||||
| SOA | hans.ns.cloudflare.comdns@cloudflare.com serial=2396942580 | ||||||
online
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns01.trs-dns.com ⭐ | ||||||
| NS | ns.trs-dns.com | ||||||
| NS | ns01.trs-dns.net | ||||||
| NS | ns10.trs-dns.info | ||||||
| NS | ns10.trs-dns.org | ||||||
| SOA | ns.trs-dns.comtrs-ops@tucows.com serial=1774394426 | ||||||
Same first word
study30.online |
DNS History
6 records (6 active, 0 former)
●NShans.ns.cloudflare.com2026-03-18 → 2026-03-24 · 2 obs
● 2026-03-24 23:50:04
●NSjosephine.ns.cloudflare.com2026-03-18 → 2026-03-24 · 2 obs
● 2026-03-24 23:50:04
●A104.21.41.1322026-03-18 → 2026-03-24 · 2 obs
● 2026-03-24 23:50:04
●A172.67.147.952026-03-18 → 2026-03-24 · 2 obs
● 2026-03-24 23:50:04
●A2606:4700:3031::ac43:935f2026-03-18 → 2026-03-24 · 2 obs
● 2026-03-24 23:50:04
●A2606:4700:3032::6815:29842026-03-18 → 2026-03-24 · 2 obs
● 2026-03-24 23:50:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| online | ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info | - |
| study30.online | hans.ns.cloudflare.com, josephine.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.175
NS records: hans.ns.cloudflare.com, josephine.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for study30.online (unsigned zone)
⏱️ Timing
Total: 261ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.41.132, 172.67.147.95 |
| AAAA | 2 | 2606:4700:3031::ac43:935f, 2606:4700:3032::6815:2984 |
| NS | 2 | hans.ns.cloudflare.com, josephine.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | hans.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
study30.online refers to four IP numbers: 2606:4700:3031::ac43:935f, 2606:4700:3032::6815:2984, 104.21.41.132 and 172.67.147.95.
Other host names, for instance m.sdwk.shop, elisangelaaragaoimoveis.com.br, cc6333.com, virtus-consult.co.uk and www.telegram-femdom.com share IP numbers with study30.online.
Name Servers
study30.online's delegation uses two name servers: hans.ns.cloudflare.com and josephine.ns.cloudflare.com.
study30.online uses the same name server setup as other domains, such as study50.online, buyfin.ru, study20.space, study10.space and study66.online.
study30.online at least partially shares name servers with other domains, including meridianisa.com, devonminorworks.com, indumotora.cl, mupeligro.com and benjaminjahnzschocke.de.
These name servers are commonly used together with the name servers ned.ns.cloudflare.com, brenda.ns.cloudflare.com, dion.ns.cloudflare.com and alina.ns.cloudflare.com.
Host names with six IP numbers:
hans.ns.cloudflare.com points to 2606:4700:58::adf5:3baf, 2803:f800:50::6ca2:c1af, 2a06:98c1:50::ac40:21af, 108.162.193.175, 172.64.33.175 and 173.245.59.175.
josephine.ns.cloudflare.com points to 2606:4700:50::a29f:2640, 2803:f800:50::6ca2:c240, 2a06:98c1:50::ac40:2240, 108.162.194.64, 162.159.38.64 and 172.64.34.64.