www.guide.school - robtex.com

www.guide.school

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:8e05🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:4f31🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.79.49Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.142.5🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.79.49, 172.67.142.5
IPv6 hints2606:4700:3034::ac43:8e05, 2606:4700:3037::6815:4f31
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=152, name=cloudflare-ech.com

guide.school

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:8e05🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:4f31🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.79.49Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.142.5🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjermaine.ns.cloudflare.com ⭐
NSjoyce.ns.cloudflare.com
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(20)
MXalt2.aspmx.l.google.com(30)
MXalt3.aspmx.l.google.com(40)
MXalt4.aspmx.l.google.com(50)
TXTgoogle-site-verification=SN3k8Nr7y_yXi9_xuc2FNnJZjMjSQRbJ8I8AsBWXwy4
TXTgoogle-site-verification=e81geUk6YWqcPyBalw7dJFx4XnF-2meCijsHbuKMQGo
TXTv=spf1 include:_spf.google.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.79.49, 172.67.142.5
IPv6 hints2606:4700:3034::ac43:8e05, 2606:4700:3037::6815:4f31
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=152, name=cloudflare-ech.com
SOAjermaine.ns.cloudflare.comdns@cloudflare.com serial=2400406918

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DNS History

4 records (4 active, 0 former)

A104.21.79.49172.67.142.52606:4700:3034::ac43:8e052606:4700:3037::6815:4f31
●A104.21.79.492026-04-05 → 2026-04-13 · 2 obs
● 2026-04-05 00:51:52
● 2026-04-13 08:03:14
●A172.67.142.52026-04-05 → 2026-04-13 · 2 obs
● 2026-04-05 00:51:52
● 2026-04-13 08:03:14
●A2606:4700:3034::ac43:8e052026-04-05 → 2026-04-13 · 2 obs
● 2026-04-05 00:51:52
● 2026-04-13 08:03:14
●A2606:4700:3037::6815:4f312026-04-05 → 2026-04-13 · 2 obs
● 2026-04-05 00:51:52
● 2026-04-13 08:03:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
schoolv0n0.nic.school, v0n2.nic.school, v2n0.nic.school, v0n3.nic.school...12 records
guide.schooljoyce.ns.cloudflare.com, jermaine.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.14

NS records: joyce.ns.cloudflare.com, jermaine.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for guide.school (unsigned zone)

⏱️ Timing

Total: 333ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.142.5, 104.21.79.49
AAAA22606:4700:3034::ac43:8e05, 2606:4700:3037::6815:4f31
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v2n1.nic.school, v2n0.nic.school, v0n3.nic.school...)

Analysis

IP Addresses

www.guide.school resolves to four IP numbers: 2606:4700:3034::ac43:8e05, 2606:4700:3037::6815:4f31, 104.21.79.49 and 172.67.142.5.

other host names for instance theblogarena.com, get-openai-code.org, ajm777.app, zaribo.org and mail.ergonagel.de share IP numbers with www.guide.school.