studenthub.school - robtex.com
studenthub.school
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700:3032::6815:926πΊπΈ Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 2606:4700:3034::ac43:8d6fπΊπΈ Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 104.21.9.38Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| A | 172.67.141.111πΊπΈ Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US β In HTTPS hints | ||||||
| NS | graham.ns.cloudflare.com β | ||||||
| A | 2606:4700:58::adf5:3babπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | graham.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1abπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | graham.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21abπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | graham.ns.cloudflare.com | ||||||
| A | 108.162.193.171πΊπΈ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | graham.ns.cloudflare.com | ||||||
| A | 172.64.33.171πΊπΈ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | graham.ns.cloudflare.com | ||||||
| A | 173.245.59.171πΊπΈ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | graham.ns.cloudflare.com | ||||||
| NS | lorna.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3abeπΊπΈ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lorna.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0beπ¨π· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | lorna.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20beπΊπΈ Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | lorna.ns.cloudflare.com | ||||||
| A | 108.162.192.190πΊπΈ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lorna.ns.cloudflare.com | ||||||
| A | 172.64.32.190πΊπΈ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lorna.ns.cloudflare.com | ||||||
| A | 173.245.58.190πΊπΈ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lorna.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 β hints match | ||||||
| IPv4 hints | 104.21.9.38, 172.67.141.111 | ||||||
| IPv6 hints | 2606:4700:3032::6815:926, 2606:4700:3034::ac43:8d6f | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=144, name=cloudflare-ech.com | ||||||
| SOA | graham.ns.cloudflare.comdns@cloudflare.com serial=2411000624 | ||||||
school
| DNSSEC | π Signed (DS record present) | ||||||
| NS | v0n0.nic.school β | ||||||
| NS | v0n1.nic.school | ||||||
| NS | v0n2.nic.school | ||||||
| NS | v0n3.nic.school | ||||||
| NS | v2n0.nic.school | ||||||
| NS | v2n1.nic.school | ||||||
| SOA | v0n0.nic.schoolhostmaster@donuts.email serial=1786833362 | ||||||
Same first word
DNS History
9 records (6 active, 3 former)
βNSgraham.ns.cloudflare.com2026-02-15 β 2026-08-15 Β· 2 obs
β 2026-08-15 23:00:50
βNSlorna.ns.cloudflare.com2026-02-15 β 2026-08-15 Β· 2 obs
β 2026-08-15 23:00:50
βA104.21.9.382026-05-05 β 2026-08-15 Β· 3 obs
β 2026-05-05 21:26:28
β 2026-08-15 23:00:50
βA172.67.141.1112026-05-05 β 2026-08-15 Β· 3 obs
β 2026-05-05 21:26:28
β 2026-08-15 23:00:50
βA2606:4700:3031::6815:9262026-05-05 β 2026-06-03 Β· 5 obs
β 2026-05-05 21:26:28
β 2026-06-03 10:12:20
β 2026-07-10 23:44:22
β 2026-08-15 23:00:50
βA2606:4700:3031::ac43:8d6f2026-05-05 β 2026-06-03 Β· 5 obs
β 2026-05-05 21:26:28
β 2026-06-03 10:12:20
β 2026-07-10 23:44:22
β 2026-08-15 23:00:50
βA2606:4700:3032::6815:9262026-07-10 β 2026-08-15 Β· 3 obs
β 2026-07-10 23:44:22
β 2026-08-15 23:00:50
βA2606:4700:3034::ac43:8d6f2026-07-10 β 2026-08-15 Β· 3 obs
β 2026-07-10 23:44:22
β 2026-08-15 23:00:50
βA77.72.1.342026-02-15 β 2026-04-05 Β· 4 obs
β 2026-04-05 04:34:52
β 2026-05-05 21:26:28
β 2026-08-15 23:00:50
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| school | v0n3.nic.school, v2n0.nic.school, v0n0.nic.school, v0n2.nic.school... | 12 records |
| studenthub.school | graham.ns.cloudflare.com, lorna.ns.cloudflare.com | - |
β Authoritative Response
Server:173.245.59.171
NS records: graham.ns.cloudflare.com, lorna.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for studenthub.school (unsigned zone)
β±οΈ Timing
Total: 361ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.141.111, 104.21.9.38 |
| AAAA | 2 | 2606:4700:3032::6815:926, 2606:4700:3034::ac43:8d6f |
| NS | 2 | graham.ns.cloudflare.com, lorna.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | graham.ns.cloudflare.com dns.cloudflare. |
π Glue Records Collected
Total: 12
In-bailiwick: 12 (v2n1.nic.school, v2n0.nic.school, v0n3.nic.school...)
Analysis
IP Addresses
studenthub.school directs to four IP numbers, which are 104.21.9.38, 172.67.141.111, 2606:4700:3032::6815:926 and 2606:4700:3034::ac43:8d6f.
podvapeco.com, 1win.net.ua, eforms.de plus two other host names have IP numbers in common with studenthub.school.
Name Servers
studenthub.school is served by two delegated name servers, graham.ns.cloudflare.com and lorna.ns.cloudflare.com.
The name server configuration of studenthub.school is shared with other domains, for instance entrecorneur.com, k2track.com, dailygrain.net.au and two others.
There is at least partial name server overlap between studenthub.school and other domains β gezgintransport.com.tr, email201213.workers.dev, penstein.com and two more among them.
These name servers are routinely deployed together with the name servers june.ns.cloudflare.com.
Hosts with 6 IP addresses each:
graham.ns.cloudflare.com carries IP addresses 108.162.193.171, 172.64.33.171 and 173.245.59.171, with 3 other addresses beyond those.
lorna.ns.cloudflare.com carries IP addresses 108.162.192.190, 172.64.32.190 and 173.245.58.190, with 3 other addresses beyond those.