studycourse.blog - robtex.com
studycourse.blog
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:cf40🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:42cd🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.66.205Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.207.64🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | gabriel.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2cf4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gabriel.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3f4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | gabriel.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23f4🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | gabriel.ns.cloudflare.com | ||||||
| A | 108.162.195.244🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gabriel.ns.cloudflare.com | ||||||
| A | 162.159.44.244Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gabriel.ns.cloudflare.com | ||||||
| A | 172.64.35.244🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gabriel.ns.cloudflare.com | ||||||
| NS | phoenix.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26c9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | phoenix.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2c9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | phoenix.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22c9🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | phoenix.ns.cloudflare.com | ||||||
| A | 108.162.194.201🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | phoenix.ns.cloudflare.com | ||||||
| A | 162.159.38.201Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | phoenix.ns.cloudflare.com | ||||||
| A | 172.64.34.201🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | phoenix.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.66.205, 172.67.207.64 | ||||||
| IPv6 hints | 2606:4700:3032::ac43:cf40, 2606:4700:3035::6815:42cd | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=8, name=cloudflare-ech.com | ||||||
| SOA | gabriel.ns.cloudflare.comdns@cloudflare.com serial=2397137400 | ||||||
blog
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | prd-fzp-07.corp.cira.ca ⭐ | ||||||
| NS | a.ns.nic.blog | ||||||
| NS | b.ns.nic.blog | ||||||
| NS | c.ns.nic.blog | ||||||
| NS | d.ns.nic.blog | ||||||
| SOA | prd-fzp-07.corp.cira.caadmin-dns@cira.ca serial=2604142215 | ||||||
Subdomains
www.studycourse.blog |
Same first word
studycourse.org |
studycourse.blog |
studycourse.ru |
Similar names
DNS History
6 records (6 active, 0 former)
●NSgabriel.ns.cloudflare.com2026-04-13 → 2026-04-14 · 2 obs
● 2026-04-14 22:41:46
●NSphoenix.ns.cloudflare.com2026-04-13 → 2026-04-14 · 2 obs
● 2026-04-14 22:41:46
●A104.21.66.2052026-04-13 → 2026-04-14 · 2 obs
● 2026-04-14 22:41:46
●A172.67.207.642026-04-13 → 2026-04-14 · 2 obs
● 2026-04-14 22:41:46
●A2606:4700:3032::ac43:cf402026-04-13 → 2026-04-14 · 2 obs
● 2026-04-14 22:41:46
●A2606:4700:3035::6815:42cd2026-04-13 → 2026-04-14 · 2 obs
● 2026-04-14 22:41:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| blog | a.ns.nic.blog, b.ns.nic.blog, c.ns.nic.blog, d.ns.nic.blog | 8 records |
| studycourse.blog | gabriel.ns.cloudflare.com, phoenix.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.38.201
NS records: gabriel.ns.cloudflare.com, phoenix.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studycourse.blog (unsigned zone)
⏱️ Timing
Total: 482ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.66.205, 172.67.207.64 |
| AAAA | 2 | 2606:4700:3035::6815:42cd, 2606:4700:3032::ac43:cf40 |
| NS | 2 | gabriel.ns.cloudflare.com, phoenix.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | gabriel.ns.cloudflare.com dns.cloudflare |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a.ns.nic.blog, a.ns.nic.blog, b.ns.nic.blog...)
Analysis
Hierarchy
The parent of www.studycourse.blog is studycourse.blog.
IP Addresses
studycourse.blog maps to four IP numbers: 2606:4700:3032::ac43:cf40, 2606:4700:3035::6815:42cd, 104.21.66.205 and 172.67.207.64.
Other host names, for instance apknnok.com, colorrush.org, miracleskydome.shop, www.chaithanyamatrimony.com and ubmagazine.com share IP numbers with studycourse.blog.
Name Servers
Two name servers gabriel.ns.cloudflare.com and phoenix.ns.cloudflare.com handle delegation for studycourse.blog.
studycourse.blog uses the same name server setup as other domains, for example direct-press.ru, dolphex.io, molplex.com, bg678-app.com and sparkstudy.blog.
studycourse.blog partially shares name servers with other domains; examples include 02e4eb45f3.com, kbkrakp.surf, 18kcustoms.com, gletickets.com and kevinscolaro.com.
These name servers are commonly used with lamar.ns.cloudflare.com, jillian.ns.cloudflare.com and lisa.ns.cloudflare.com.
Host names with six IP numbers: gabriel.ns.cloudflare.com points to: 2606:4700:58::a29f:2cf4, 2803:f800:50::6ca2:c3f4, 2a06:98c1:50::ac40:23f4, 108.162.195.244, 162.159.44.244 and 172.64.35.244; phoenix.ns.cloudflare.com points to: 2606:4700:50::a29f:26c9, 2803:f800:50::6ca2:c2c9, 2a06:98c1:50::ac40:22c9, 108.162.194.201, 162.159.38.201 and 172.64.34.201.