jsjschool.com - robtex.com

jsjschool.com

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:cb15🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:4d0b🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.77.11Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.203.21🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdilbert.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b9b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdilbert.ns.cloudflare.com
A2803:f800:50::6ca2:c19b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdilbert.ns.cloudflare.com
A2a06:98c1:50::ac40:219b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdilbert.ns.cloudflare.com
A108.162.193.155🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdilbert.ns.cloudflare.com
A172.64.33.155🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdilbert.ns.cloudflare.com
A173.245.59.155🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdilbert.ns.cloudflare.com
NSmelody.ns.cloudflare.com
A2606:4700:50::a29f:26fa🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelody.ns.cloudflare.com
A2803:f800:50::6ca2:c2fa🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmelody.ns.cloudflare.com
A2a06:98c1:50::ac40:22fa🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmelody.ns.cloudflare.com
A108.162.194.250🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelody.ns.cloudflare.com
A162.159.38.250Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelody.ns.cloudflare.com
A172.64.34.250🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelody.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.77.11, 172.67.203.21
IPv6 hints2606:4700:3033::ac43:cb15, 2606:4700:3035::6815:4d0b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=8, name=cloudflare-ech.com
SOAdilbert.ns.cloudflare.comdns@cloudflare.com serial=2401120212

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1776203892

Same first word

jsjschool.com

DNS History

16 records (6 active, 10 former)

20162017201820192020202120222023202420252026NSdilbert.ns.cloudflare.commelody.ns.cloudflare.comdns13.hichina.comdns14.hichina.comns1.julydns.comns2.julydns.comMXmabiz1.qq.commxbiz2.qq.comA104.21.77.11172.67.203.212606:4700:3033::ac43:cb152606:4700:3035::6815:4d0b103.25.22.76119.28.10.29210.209.79.5743.249.2.52
●NSdilbert.ns.cloudflare.com2026-04-14 → 2026-04-14 · 2 obs
○ 2026-03-17 16:40:26
● 2026-04-14 22:13:44
○NSdns13.hichina.com2015-08-12 → 2018-09-05 · 4 obs
● 2015-08-12 07:45:32
● 2018-09-05 20:39:10
○ 2026-03-17 16:40:26
○ 2026-04-14 22:13:44
○NSdns14.hichina.com2015-08-12 → 2018-09-05 · 4 obs
● 2015-08-12 07:45:32
● 2018-09-05 20:39:10
○ 2026-03-17 16:40:26
○ 2026-04-14 22:13:44
●NSmelody.ns.cloudflare.com2026-04-14 → 2026-04-14 · 2 obs
○ 2026-03-17 16:40:26
● 2026-04-14 22:13:44
○NSns1.julydns.com2026-03-17 → 2026-03-17 · 3 obs
○ 2018-09-05 20:39:10
● 2026-03-17 16:40:26
○ 2026-04-14 22:13:44
○NSns2.julydns.com2026-03-17 → 2026-03-17 · 3 obs
○ 2018-09-05 20:39:10
● 2026-03-17 16:40:26
○ 2026-04-14 22:13:44
○MXmabiz1.qq.com2015-08-12 → 2018-09-05 · 4 obs
● 2015-08-12 07:45:32
● 2018-09-05 20:39:10
○ 2026-03-17 16:40:26
○ 2026-04-14 22:13:44
○MXmxbiz2.qq.com2015-08-12 → 2018-09-05 · 4 obs
● 2015-08-12 07:45:32
● 2018-09-05 20:39:10
○ 2026-03-17 16:40:26
○ 2026-04-14 22:13:44
○A103.25.22.762016-06-19 → 2017-01-08 · 5 obs
○ 2016-02-29 19:17:20
● 2016-06-19 19:48:26
● 2017-01-08 06:01:34
○ 2018-09-05 20:39:10
○ 2026-04-14 22:13:44
●A104.21.77.112026-04-14 → 2026-04-14 · 2 obs
○ 2026-03-17 16:40:26
● 2026-04-14 22:13:44
○A119.28.10.292026-03-17 → 2026-03-17 · 3 obs
○ 2018-09-05 20:39:10
● 2026-03-17 16:40:26
○ 2026-04-14 22:13:44
●A172.67.203.212026-04-14 → 2026-04-14 · 2 obs
○ 2026-03-17 16:40:26
● 2026-04-14 22:13:44
○A210.209.79.572015-08-12 → 2016-02-29 · 4 obs
● 2015-08-12 07:45:32
● 2016-02-29 19:17:20
○ 2016-06-19 19:48:26
○ 2026-04-14 22:13:44
●A2606:4700:3033::ac43:cb152026-04-14 → 2026-04-14 · 2 obs
○ 2026-03-17 16:40:26
● 2026-04-14 22:13:44
●A2606:4700:3035::6815:4d0b2026-04-14 → 2026-04-14 · 2 obs
○ 2026-03-17 16:40:26
● 2026-04-14 22:13:44
○A43.249.2.522018-09-05 → 2018-09-05 · 4 obs
○ 2017-01-08 06:01:34
● 2018-09-05 20:39:10
○ 2026-03-17 16:40:26
○ 2026-04-14 22:13:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net...-
jsjschool.comdilbert.ns.cloudflare.com, melody.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.155

NS records: dilbert.ns.cloudflare.com, melody.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jsjschool.com (unsigned zone)

⏱️ Timing

Total: 181ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.77.11, 172.67.203.21
AAAA22606:4700:3033::ac43:cb15, 2606:4700:3035::6815:4d0b
NS2dilbert.ns.cloudflare.com, melody.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dilbert.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (dilbert.ns.cloudflare.com, dilbert.ns.cloudflare.com, dilbert.ns.cloudflare.com...)

Analysis

IP Addresses

jsjschool.com maps to four IP numbers: 2606:4700:3033::ac43:cb15, 2606:4700:3035::6815:4d0b, 104.21.77.11 and 172.67.203.21.

other host names include bridge-scanner.org, boldys.com, rvo.com.ar, onefit.city and adoprfolgo.pro; they share IP numbers with jsjschool.com.

Name Servers

Two name servers dilbert.ns.cloudflare.com and melody.ns.cloudflare.com handle the delegation for jsjschool.com.

jsjschool.com shares the same name server setup as other domains, for instance szcyty.com, anmiwl.com, mapepe.com, bjxingce.com and greenviewdn.com.

jsjschool.com at least partially shares name servers with other domains, for instance team188.com, paintemerge.com, zrenren.com, ldr-geo.de and sahabet1416.com.

These name servers are commonly used with rocky.ns.cloudflare.com and kevin.ns.cloudflare.com.

Six IP addresses per host:

dilbert.ns.cloudflare.com points to 2606:4700:58::adf5:3b9b, 2803:f800:50::6ca2:c19b, 2a06:98c1:50::ac40:219b, 108.162.193.155, 172.64.33.155 and 173.245.59.155; melody.ns.cloudflare.com points to 2606:4700:50::a29f:26fa, 2803:f800:50::6ca2:c2fa, 2a06:98c1:50::ac40:22fa, 108.162.194.250, 162.159.38.250 and 172.64.34.250