3tstudy.org - robtex.com
3tstudy.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:a5f8🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3032::6815:1016🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.16.22Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.165.248🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | dale.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b5f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dale.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c15f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | dale.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:215f🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | dale.ns.cloudflare.com | ||||||
| A | 108.162.193.95🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dale.ns.cloudflare.com | ||||||
| A | 172.64.33.95🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dale.ns.cloudflare.com | ||||||
| A | 173.245.59.95🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dale.ns.cloudflare.com | ||||||
| NS | diva.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a61🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | diva.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c061🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | diva.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2061🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | diva.ns.cloudflare.com | ||||||
| A | 108.162.192.97🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | diva.ns.cloudflare.com | ||||||
| A | 172.64.32.97🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | diva.ns.cloudflare.com | ||||||
| A | 173.245.58.97🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | diva.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.16.22, 172.67.165.248 | ||||||
| IPv6 | 2606:4700:3031::ac43:a5f8, 2606:4700:3032::6815:1016 | ||||||
| SOA | dale.ns.cloudflare.comdns@cloudflare.com serial=2396623850 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1771291736 | ||||||
Same first word
3tstudy.org |
DNS History
6 records (6 active, 0 former)
●NSdale.ns.cloudflare.com2026-02-20 → 2026-03-14 · 2 obs
● 2026-03-14 15:27:28
●NSdiva.ns.cloudflare.com2026-02-20 → 2026-03-14 · 2 obs
● 2026-03-14 15:27:28
●A104.21.16.222026-02-20 → 2026-03-14 · 2 obs
● 2026-03-14 15:27:28
●A172.67.165.2482026-02-20 → 2026-03-14 · 2 obs
● 2026-03-14 15:27:28
●A2606:4700:3031::ac43:a5f82026-02-20 → 2026-03-14 · 2 obs
● 2026-03-14 15:27:28
●A2606:4700:3032::6815:10162026-02-20 → 2026-03-14 · 2 obs
● 2026-03-14 15:27:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| 3tstudy.org | dale.ns.cloudflare.com, diva.ns.cloudflare.com | - |
✅ Authoritative Response
Server: 172.64.32.97
NS records: dale.ns.cloudflare.com, diva.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 3tstudy.org (unsigned zone)
⏱️ Timing
Total: 919ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.16.22, 172.67.165.248 |
| AAAA | 2 | 2606:4700:3031::ac43:a5f8, 2606:4700:3032::6815:1016 |
| NS | 2 | dale.ns.cloudflare.com, diva.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | dale.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
3tstudy.org points to four IP numbers: 2606:4700:3031::ac43:a5f8, 2606:4700:3032::6815:1016, 104.21.16.22 and 172.67.165.248.
For instance, other host names breaking-stories.net, super4d.top, ionutn.com, shjxyhj.com and 360766.com share IP numbers with 3tstudy.org.
Name Servers
3tstudy.org is delegated to two name servers: dale.ns.cloudflare.com and diva.ns.cloudflare.com.
3tstudy.org uses the same name server setup as other domains such as anydifferencebetween.com, commandiv.com, yujieheatpress.com, selectmedia.org and gzssanfang.com.
3tstudy.org shares name servers with other domains at least partially, for example cpro.net, landmarkescrow.com, avblog.ru, kmgslaw.info and jennybrewerhomes.com.
These name servers are commonly used with chelsea.ns.cloudflare.com, lilyana.ns.cloudflare.com and becky.ns.cloudflare.com.
Host names with six IP numbers: host name dale.ns.cloudflare.com points to: 2606:4700:58::adf5:3b5f, 2803:f800:50::6ca2:c15f, 2a06:98c1:50::ac40:215f, 108.162.193.95, 172.64.33.95 and 173.245.59.95; host name diva.ns.cloudflare.com points to: 2606:4700:50::adf5:3a61, 2803:f800:50::6ca2:c061, 2a06:98c1:50::ac40:2061, 108.162.192.97, 172.64.32.97 and 173.245.58.97.