guide.school - dns.ninja

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
A2606:4700:58::a29f:2c9d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjermaine.ns.cloudflare.com
A2803:f800:50::6ca2:c39d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjermaine.ns.cloudflare.com
A2a06:98c1:50::ac40:239d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjermaine.ns.cloudflare.com
A108.162.195.157🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjermaine.ns.cloudflare.com
A162.159.44.157Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjermaine.ns.cloudflare.com
A172.64.35.157🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjermaine.ns.cloudflare.com
NSjoyce.ns.cloudflare.com
A2606:4700:50::a29f:260e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjoyce.ns.cloudflare.com
A2803:f800:50::6ca2:c20e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjoyce.ns.cloudflare.com
A2a06:98c1:50::ac40:220e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjoyce.ns.cloudflare.com
A108.162.194.14🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjoyce.ns.cloudflare.com
A162.159.38.14Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjoyce.ns.cloudflare.com
A172.64.34.14🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjoyce.ns.cloudflare.com
MXaspmx.l.google.com
A2607:f8b0:4004:c09::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbh-in-f27.1e100.net
A142.251.16.27🇺🇸 Google142.251.16.0/24
PTRbl-in-f27.1e100.net
MXalt1.aspmx.l.google.com(20)
A2607:f8b0:4023:2801::1b🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f27.1e100.net
A192.178.128.27🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f27.1e100.net
MXalt2.aspmx.l.google.com(30)
A2607:f8b0:4023:3003::1a🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f26.1e100.net
A172.253.145.26🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f26.1e100.net
MXalt3.aspmx.l.google.com(40)
A2607:f8b0:4023:1015::1b🇺🇸 Google2607:f8b0::/32
PTRyudfwta-in-f27.1e100.net
A172.253.135.27🇺🇸 Google172.253.135.0/24
PTRyudfwta-in-f27.1e100.net
MXalt4.aspmx.l.google.com(50)
A2a00:1450:400c:c00::1b🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.27🇺🇸 Google173.194.76.0/24
PTRws-in-f27.1e100.net
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=180, name=cloudflare-ech.com
SOAjermaine.ns.cloudflare.comdns@cloudflare.com serial=2405516071

school

DNSSEC🔒 Signed (DS record present)
NSv0n0.nic.school
NSv0n1.nic.school
NSv0n2.nic.school
NSv0n3.nic.school
NSv2n0.nic.school
NSv2n1.nic.school
SOAv0n0.nic.schoolhostmaster@donuts.email serial=1780578404

Subdomains

Same first word

Similar names

DNS History

17 records (11 active, 6 former)

2017201820192020202120222023202420252026NSjermaine.ns.cloudflare.comjoyce.ns.cloudflare.comdns1.name-services.comdns2.name-services.comdns3.name-services.comdns4.name-services.comdns5.name-services.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA104.21.79.49172.67.142.52606:4700:3034::ac43:8e052606:4700:3037::6815:4f318.5.1.35
NSdns1.name-services.com2016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 21:18:12
○ 2017-09-03 15:11:00
○ 2026-06-04 13:34:46
NSdns2.name-services.com2016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 21:18:12
○ 2017-09-03 15:11:00
○ 2026-06-04 13:34:46
NSdns3.name-services.com2016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 21:18:12
○ 2017-09-03 15:11:00
○ 2026-06-04 13:34:46
NSdns4.name-services.com2016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 21:18:12
○ 2017-09-03 15:11:00
○ 2026-06-04 13:34:46
NSdns5.name-services.com2016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 21:18:12
○ 2017-09-03 15:11:00
○ 2026-06-04 13:34:46
NSjermaine.ns.cloudflare.com2026-03-24 → 2026-06-04 · 3 obs
○ 2017-09-03 15:11:00
● 2026-03-24 10:21:48
● 2026-06-04 13:34:46
NSjoyce.ns.cloudflare.com2026-03-24 → 2026-06-04 · 3 obs
○ 2017-09-03 15:11:00
● 2026-03-24 10:21:48
● 2026-06-04 13:34:46
MXalt1.aspmx.l.google.com2026-03-24 → 2026-06-04 · 2 obs
● 2026-03-24 10:21:48
● 2026-06-04 13:34:46
MXalt2.aspmx.l.google.com2026-03-24 → 2026-06-04 · 2 obs
● 2026-03-24 10:21:48
● 2026-06-04 13:34:46
MXalt3.aspmx.l.google.com2026-03-24 → 2026-06-04 · 2 obs
● 2026-03-24 10:21:48
● 2026-06-04 13:34:46
MXalt4.aspmx.l.google.com2026-03-24 → 2026-06-04 · 2 obs
● 2026-03-24 10:21:48
● 2026-06-04 13:34:46
MXaspmx.l.google.com2026-03-24 → 2026-06-04 · 2 obs
● 2026-03-24 10:21:48
● 2026-06-04 13:34:46
A104.21.79.492026-03-24 → 2026-06-04 · 3 obs
○ 2017-09-03 15:11:00
● 2026-03-24 10:21:48
● 2026-06-04 13:34:46
A172.67.142.52026-03-24 → 2026-06-04 · 3 obs
○ 2017-09-03 15:11:00
● 2026-03-24 10:21:48
● 2026-06-04 13:34:46
A2606:4700:3034::ac43:8e052026-03-24 → 2026-06-04 · 3 obs
○ 2017-09-03 15:11:00
● 2026-03-24 10:21:48
● 2026-06-04 13:34:46
A2606:4700:3037::6815:4f312026-03-24 → 2026-06-04 · 3 obs
○ 2017-09-03 15:11:00
● 2026-03-24 10:21:48
● 2026-06-04 13:34:46
A8.5.1.352016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 21:18:12
○ 2017-09-03 15:11:00
○ 2026-06-04 13:34:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
schoolv0n0.nic.school, v0n1.nic.school, v0n2.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: 2826ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.142.5, 104.21.79.49
AAAA22606:4700:3037::6815:4f31, 2606:4700:3034::ac43:8e05
NS2jermaine.ns.cloudflare.com, joyce.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...
TXT3google-site-verification=SN3k8Nr7y_yXi9_, google-site-verification=e81geUk6YWqcPyB...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1jermaine.ns.cloudflare.com dns.cloudflar

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.school, v0n0.nic.school, v0n1.nic.school...)

Analysis

Hierarchy

guide.school is the parent zone for www.guide.school.

IP Addresses

guide.school points to 4 IP addresses — 104.21.79.49, 172.67.142.5, 2606:4700:3034::ac43:8e05 and 2606:4700:3037::6815:4f31.

howly.gg, iteveru.top, bernudrebes.lv plus two other host names have IP numbers in common with guide.school.

Name Servers

guide.school is delegated to two name servers: jermaine.ns.cloudflare.com and joyce.ns.cloudflare.com.

The name server configuration of guide.school is shared with other domains, for instance klaaskroezen.com, worldview-agility.com, boulangeriesalamin.ch and two others.

guide.school partially shares its NS delegation with several other domains, including hdrezka.pro, reportpulse.cfd, ila.cl and two others.

These name servers tend to appear together with the name servers dalary.ns.cloudflare.com, marvin.ns.cloudflare.com and jeremy.ns.cloudflare.com, plus two others.

Hosts with 6 IP addresses each:

The hostname jermaine.ns.cloudflare.com resolves to 108.162.195.157, 162.159.44.157, 172.64.35.157 and three additional IP addresses.

The hostname joyce.ns.cloudflare.com resolves to 108.162.194.14, 162.159.38.14, 172.64.34.14 and three additional IP addresses.

Mail Servers

Mail for guide.school is routed through 5 mail servers, including aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by guide.school are shared with other domains: ns500693.ns500693.ns500699.ns500699.ns500699.ns500693.ns500693.ns500699.ns500699.ns500693.ns500588.ns500699.ns500699.ns500612.ns500588.ns500578.ns500110.dtrkdll.com, ns500734.ns500699.ns500734.ns500693.ns500734.ns500734.ns500588.ns500699.ns500693.ns500693.ns500612.ns500612.ns500612.ns500612.ns500110.dtrkdll.com, ns500734.ns500734.ns500699.ns500693.ns500693.ns500683.ns500699.ns500683.ns500632.ns500612.ns500588.ns500612.ns500632.ns500612.ns500578.ns500110.dtrkdll.com and two others among them.

These mail servers are often used together with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and four other.

Host names pointing to two IP addresses:

aspmx.l.google.com points to 142.251.16.27 and 2607:f8b0:4004:c09::1b.

alt1.aspmx.l.google.com points to 192.178.128.27 and 2607:f8b0:4023:2801::1b.

alt2.aspmx.l.google.com points to 172.253.145.26 and 2607:f8b0:4023:3003::1a.

alt3.aspmx.l.google.com points to 172.253.135.27 and 2607:f8b0:4023:1015::1b.

alt4.aspmx.l.google.com points to 173.194.76.27 and 2a00:1450:400c:c00::1b.