thestemprofessor.com - robtex.com
thestemprofessor.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:49d4🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::ac43:a678🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.73.212Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.166.120🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | joselyn.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:262b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | joselyn.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c22b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | joselyn.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:222b🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | joselyn.ns.cloudflare.com | ||||||
| A | 108.162.194.43🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | joselyn.ns.cloudflare.com | ||||||
| A | 162.159.38.43Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | joselyn.ns.cloudflare.com | ||||||
| A | 172.64.34.43🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | joselyn.ns.cloudflare.com | ||||||
| NS | keanu.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2ca7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | keanu.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3a7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | keanu.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23a7🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | keanu.ns.cloudflare.com | ||||||
| A | 108.162.195.167🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | keanu.ns.cloudflare.com | ||||||
| A | 162.159.44.167Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | keanu.ns.cloudflare.com | ||||||
| A | 172.64.35.167🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | keanu.ns.cloudflare.com | ||||||
| TXT | activeprospect-domain-verification=rwprZPsMjli6BUeogoYzgQ== | ||||||
| TXT | google-site-verification=lzoYV9XKZrM1cWJoVLJIGrBWnnWBjqBoadEusvZmA1c | ||||||
| TXT | google-site-verification=zRImcLC607ZMzwV7LX9X5E0kZW0M2dz-4IGXQheJX0Y | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.73.212, 172.67.166.120 | ||||||
| IPv6 hints | 2606:4700:3033::6815:49d4, 2606:4700:3033::ac43:a678 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=82, name=cloudflare-ech.com | ||||||
| SOA | joselyn.ns.cloudflare.comdns@cloudflare.com serial=2401104898 | ||||||
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=1776294187 | ||||||
Subdomains
www.thestemprofessor.com |
DNS History
9 records (6 active, 3 former)
●NSjoselyn.ns.cloudflare.com2026-04-15 → 2026-04-15 · 2 obs
● 2026-04-15 23:31:20
●NSkeanu.ns.cloudflare.com2026-04-15 → 2026-04-15 · 2 obs
● 2026-04-15 23:31:20
○NSns19.domaincontrol.com2019-12-14 → 2019-12-14 · 2 obs
○ 2026-04-15 23:31:20
○NSns20.domaincontrol.com2019-12-14 → 2019-12-14 · 2 obs
○ 2026-04-15 23:31:20
●A104.21.73.2122026-04-15 → 2026-04-15 · 2 obs
● 2026-04-15 23:31:20
●A172.67.166.1202026-04-15 → 2026-04-15 · 2 obs
● 2026-04-15 23:31:20
○A184.168.221.952019-12-14 → 2019-12-14 · 2 obs
○ 2026-04-15 23:31:20
●A2606:4700:3033::6815:49d42026-04-15 → 2026-04-15 · 2 obs
● 2026-04-15 23:31:20
●A2606:4700:3033::ac43:a6782026-04-15 → 2026-04-15 · 2 obs
● 2026-04-15 23:31:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net... | - |
| thestemprofessor.com | joselyn.ns.cloudflare.com, keanu.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.195.167
NS records: joselyn.ns.cloudflare.com, keanu.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for thestemprofessor.com (unsigned zone)
⏱️ Timing
Total: 82ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.73.212, 172.67.166.120 |
| AAAA | 2 | 2606:4700:3033::ac43:a678, 2606:4700:3033::6815:49d4 |
| NS | 2 | joselyn.ns.cloudflare.com, keanu.ns.cloudflare.com |
| TXT | 3 | activeprospect-domain-verification=rwprZ, google-site-verification=lzoYV9XKZrM1cWJ... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | joselyn.ns.cloudflare.com dns.cloudflare |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (joselyn.ns.cloudflare.com, joselyn.ns.cloudflare.com, joselyn.ns.cloudflare.com...)
Analysis
Hierarchy
thestemprofessor.com is a parent of www.thestemprofessor.com.
IP Addresses
thestemprofessor.com resolves to four IPs: 2606:4700:3033::6815:49d4, 2606:4700:3033::ac43:a678, 104.21.73.212 and 172.67.166.120.
Other host names such as whydcc.com, kojano.com, kramermarkt-oldenburg.de, 1wbonus.com and aviationtrivia.org share IP numbers with thestemprofessor.com.
Name Servers
thestemprofessor.com is delegated to two name servers: joselyn.ns.cloudflare.com and keanu.ns.cloudflare.com.
thestemprofessor.com uses the same name server setup as other domains, including wyniki-lotto.pl, toodai.tr, nhasachmienphi.com, hvaclaboratory.com and s13866.com.
At least part of the name servers for thestemprofessor.com are shared with other domains, for instance gemaarquitectes.es, iamthirsty.com, businesssitelist.com, testing69.pages.dev and tirosec.com.
These name servers are often used together with alla.ns.cloudflare.com, nola.ns.cloudflare.com and martin.ns.cloudflare.com.
Host names with six IP numbers:
joselyn.ns.cloudflare.com points to: 2606:4700:50::a29f:262b, 2803:f800:50::6ca2:c22b, 2a06:98c1:50::ac40:222b, 108.162.194.43, 162.159.38.43 and 172.64.34.43.
keanu.ns.cloudflare.com points to: 2606:4700:58::a29f:2ca7, 2803:f800:50::6ca2:c3a7, 2a06:98c1:50::ac40:23a7, 108.162.195.167, 162.159.44.167 and 172.64.35.167.