istudytech.com - robtex.com
istudytech.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3035::6815:40fa🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:8a7d🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.64.250Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.138.125🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | isaac.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3bb1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isaac.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1b1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | isaac.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21b1🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | isaac.ns.cloudflare.com | ||||||
| A | 108.162.193.177🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isaac.ns.cloudflare.com | ||||||
| A | 172.64.33.177🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isaac.ns.cloudflare.com | ||||||
| A | 173.245.59.177🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | isaac.ns.cloudflare.com | ||||||
| NS | maria.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3ac0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | maria.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0c0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | maria.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20c0🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | maria.ns.cloudflare.com | ||||||
| A | 108.162.192.192🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | maria.ns.cloudflare.com | ||||||
| A | 172.64.32.192🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | maria.ns.cloudflare.com | ||||||
| A | 173.245.58.192🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | maria.ns.cloudflare.com | ||||||
| MX | mx.istudytech.com ⭐ | ||||||
| A | 2606:4700:3035::6815:40fa🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 2606:4700:3037::ac43:8a7d🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 104.21.64.250Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.67.138.125🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.64.250, 172.67.138.125 | ||||||
| IPv6 hints | 2606:4700:3035::6815:40fa, 2606:4700:3037::ac43:8a7d | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=238, name=cloudflare-ech.com | ||||||
| SOA | isaac.ns.cloudflare.comdns@cloudflare.com serial=2399399603 | ||||||
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.netnstld@verisign-grs.com serial=1778400946 | ||||||
Same first word
istudytech.com |
Similar names
DNS History
7 records (7 active, 0 former)
●NSisaac.ns.cloudflare.com2026-04-16 → 2026-05-10 · 2 obs
● 2026-05-10 08:24:34
●NSmaria.ns.cloudflare.com2026-04-16 → 2026-05-10 · 2 obs
● 2026-05-10 08:24:34
●MXmx.istudytech.com2026-04-16 → 2026-05-10 · 2 obs
● 2026-05-10 08:24:34
●A104.21.64.2502026-04-16 → 2026-05-10 · 2 obs
● 2026-05-10 08:24:34
●A172.67.138.1252026-04-16 → 2026-05-10 · 2 obs
● 2026-05-10 08:24:34
●A2606:4700:3035::6815:40fa2026-04-16 → 2026-05-10 · 2 obs
● 2026-05-10 08:24:34
●A2606:4700:3037::ac43:8a7d2026-04-16 → 2026-05-10 · 2 obs
● 2026-05-10 08:24:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| istudytech.com | isaac.ns.cloudflare.com, maria.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.177
NS records: isaac.ns.cloudflare.com, maria.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for istudytech.com (unsigned zone)
⏱️ Timing
Total: 145ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.64.250, 172.67.138.125 |
| AAAA | 2 | 2606:4700:3035::6815:40fa, 2606:4700:3037::ac43:8a7d |
| NS | 2 | isaac.ns.cloudflare.com, maria.ns.cloudflare.com |
| MX | 1 | mx.istudytech.com (pri: 0) |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | isaac.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (isaac.ns.cloudflare.com, isaac.ns.cloudflare.com, isaac.ns.cloudflare.com...)
Analysis
IP Addresses
istudytech.com resolves to four IP numbers: 2606:4700:3035::6815:40fa, 2606:4700:3037::ac43:8a7d, 104.21.64.250 and 172.67.138.125.
other host names for instance 1bong.com, zhishinn.com, 519977.com, freefdtech.click and flarecoresystems.click share IP numbers with istudytech.com.
Name Servers
istudytech.com is delegated to two name servers: isaac.ns.cloudflare.com and maria.ns.cloudflare.com.
istudytech.com shares the same name server setup as other domains, for example wimmer.io, tely.com.br, g0p.biz, veiga.me and sequoia-de-la-bouriane.com.
istudytech.com at least partially shares name servers with other domains, for instance u-reds.com, bet30.lol, daporide.shop, classicalhealing.com and delivery-email.com.
These name servers are commonly used with the name servers bart.ns.cloudflare.com.
Host names with six IP numbers:
isaac.ns.cloudflare.com points to: 2606:4700:58::adf5:3bb1, 2803:f800:50::6ca2:c1b1, 2a06:98c1:50::ac40:21b1, 108.162.193.177, 172.64.33.177 and 173.245.59.177; maria.ns.cloudflare.com points to: 2606:4700:50::adf5:3ac0, 2803:f800:50::6ca2:c0c0, 2a06:98c1:50::ac40:20c0, 108.162.192.192, 172.64.32.192 and 173.245.58.192.
Mail Servers
istudytech.com is handled by a single mail server, mx.istudytech.com.
Host name mx.istudytech.com resolves to four IP numbers: 2606:4700:3035::6815:40fa, 2606:4700:3037::ac43:8a7d, 104.21.64.250 and 172.67.138.125.