just4exam.com - robtex.com

just4exam.com

DNSSEC⚠️ Not signed
A23.90.36.227🇺🇸 EONIX-NA23.90.36.0/22
PTR36.90.23-static.rdns.serverhub.com
NScortney.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a57🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcortney.ns.cloudflare.com
A2803:f800:50::6ca2:c057🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcortney.ns.cloudflare.com
A2a06:98c1:50::ac40:2057🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcortney.ns.cloudflare.com
A108.162.192.87🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcortney.ns.cloudflare.com
A172.64.32.87🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcortney.ns.cloudflare.com
A173.245.58.87🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcortney.ns.cloudflare.com
NSjason.ns.cloudflare.com
A2606:4700:58::adf5:3bb3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjason.ns.cloudflare.com
A2803:f800:50::6ca2:c1b3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjason.ns.cloudflare.com
A2a06:98c1:50::ac40:21b3🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjason.ns.cloudflare.com
A108.162.193.179🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjason.ns.cloudflare.com
A172.64.33.179🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjason.ns.cloudflare.com
A173.245.59.179🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjason.ns.cloudflare.com
SOAcortney.ns.cloudflare.comdns@cloudflare.com serial=2401169751

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=1776224172

Subdomains

www.just4exam.com

Same first word

just4exam.com.cn
just4exam.com

DNS History

26 records (3 active, 23 former)

20162017201820192020202120222023202420252026NScortney.ns.cloudflare.comjason.ns.cloudflare.comamber.ns.cloudflare.comcurt.ns.cloudflare.comns1bqx.name.comns1dhl.name.comns2clp.name.comns2qvz.name.comns3gmv.name.comns3jwx.name.comns4fmw.name.comns4htz.name.comsk.s5.ans1.ns148.ztomy.comsk.s5.ans2.ns148.ztomy.comyichun.ns.cloudflare.comMXmail.just4exam.comA23.90.36.227104.31.78.85104.31.79.85104.31.92.15104.31.93.15173.208.184.82208.91.197.468.5.1.5883.168.197.94PTRsk.s5.ans1.ns148.ztomy.com
○NSamber.ns.cloudflare.com2016-03-14 → 2016-03-14 · 4 obs
○ 2015-07-17 23:48:52
● 2016-03-14 04:08:32
○ 2016-07-12 01:52:42
○ 2026-04-15 03:54:54
●NScortney.ns.cloudflare.com2016-07-12 → 2026-04-15 · 6 obs
○ 2016-03-14 04:08:32
● 2016-07-12 01:52:42
○ 2017-03-18 20:25:34
○ 2020-02-21 22:33:46
● 2026-02-19 15:05:16
● 2026-04-15 03:54:54
○NScurt.ns.cloudflare.com2016-03-14 → 2016-03-14 · 4 obs
○ 2015-07-17 23:48:52
● 2016-03-14 04:08:32
○ 2016-07-12 01:52:42
○ 2026-04-15 03:54:54
●NSjason.ns.cloudflare.com2026-02-19 → 2026-04-15 · 3 obs
○ 2020-02-21 22:33:46
● 2026-02-19 15:05:16
● 2026-04-15 03:54:54
○NSns1bqx.name.com2017-03-18 → 2017-03-18 · 4 obs
○ 2016-07-12 01:52:42
● 2017-03-18 20:25:34
○ 2020-02-21 22:33:46
○ 2026-04-15 03:54:54
○NSns1dhl.name.com2015-07-17 → 2015-07-17 · 3 obs
● 2015-07-17 23:48:52
○ 2016-03-14 04:08:32
○ 2026-04-15 03:54:54
○NSns2clp.name.com2015-07-17 → 2015-07-17 · 3 obs
● 2015-07-17 23:48:52
○ 2016-03-14 04:08:32
○ 2026-04-15 03:54:54
○NSns2qvz.name.com2017-03-18 → 2017-03-18 · 4 obs
○ 2016-07-12 01:52:42
● 2017-03-18 20:25:34
○ 2020-02-21 22:33:46
○ 2026-04-15 03:54:54
○NSns3gmv.name.com2017-03-18 → 2017-03-18 · 4 obs
○ 2016-07-12 01:52:42
● 2017-03-18 20:25:34
○ 2020-02-21 22:33:46
○ 2026-04-15 03:54:54
○NSns3jwx.name.com2015-07-17 → 2015-07-17 · 3 obs
● 2015-07-17 23:48:52
○ 2016-03-14 04:08:32
○ 2026-04-15 03:54:54
○NSns4fmw.name.com2017-03-18 → 2017-03-18 · 4 obs
○ 2016-07-12 01:52:42
● 2017-03-18 20:25:34
○ 2020-02-21 22:33:46
○ 2026-04-15 03:54:54
○NSns4htz.name.com2015-07-17 → 2015-07-17 · 3 obs
● 2015-07-17 23:48:52
○ 2016-03-14 04:08:32
○ 2026-04-15 03:54:54
○NSsk.s5.ans1.ns148.ztomy.com2020-02-21 → 2020-02-21 · 4 obs
○ 2017-03-18 20:25:34
● 2020-02-21 22:33:46
○ 2026-02-19 15:05:16
○ 2026-04-15 03:54:54
○NSsk.s5.ans2.ns148.ztomy.com2020-02-21 → 2020-02-21 · 4 obs
○ 2017-03-18 20:25:34
● 2020-02-21 22:33:46
○ 2026-02-19 15:05:16
○ 2026-04-15 03:54:54
○NSyichun.ns.cloudflare.com2016-07-12 → 2016-07-12 · 4 obs
○ 2016-03-14 04:08:32
● 2016-07-12 01:52:42
○ 2017-03-18 20:25:34
○ 2026-04-15 03:54:54
○MXmail.just4exam.com2015-07-17 → 2015-07-17 · 3 obs
● 2015-07-17 23:48:52
○ 2016-03-14 04:08:32
○ 2026-04-15 03:54:54
○A104.31.78.852016-07-12 → 2016-07-12 · 4 obs
○ 2016-03-14 04:08:32
● 2016-07-12 01:52:42
○ 2017-03-18 20:25:34
○ 2026-04-15 03:54:54
○A104.31.79.852016-07-12 → 2016-07-12 · 4 obs
○ 2016-03-14 04:08:32
● 2016-07-12 01:52:42
○ 2017-03-18 20:25:34
○ 2026-04-15 03:54:54
○A104.31.92.152016-03-14 → 2016-03-14 · 4 obs
○ 2015-12-08 14:46:16
● 2016-03-14 04:08:32
○ 2016-07-12 01:52:42
○ 2026-04-15 03:54:54
○A104.31.93.152016-03-14 → 2016-03-14 · 4 obs
○ 2015-12-08 14:46:16
● 2016-03-14 04:08:32
○ 2016-07-12 01:52:42
○ 2026-04-15 03:54:54
○A173.208.184.822017-03-18 → 2017-03-18 · 4 obs
○ 2016-07-12 01:52:42
● 2017-03-18 20:25:34
○ 2020-02-21 22:33:46
○ 2026-04-15 03:54:54
○A208.91.197.462020-02-21 → 2020-02-21 · 4 obs
○ 2017-03-18 20:25:34
● 2020-02-21 22:33:46
○ 2026-02-19 15:05:16
○ 2026-04-15 03:54:54
●A23.90.36.2272026-02-19 → 2026-04-15 · 3 obs
○ 2020-02-21 22:33:46
● 2026-02-19 15:05:16
● 2026-04-15 03:54:54
○A8.5.1.582015-12-08 → 2015-12-08 · 4 obs
○ 2015-07-17 23:48:52
● 2015-12-08 14:46:16
○ 2016-03-14 04:08:32
○ 2026-04-15 03:54:54
○A83.168.197.942015-07-17 → 2015-07-17 · 3 obs
● 2015-07-17 23:48:52
○ 2015-12-08 14:46:16
○ 2026-04-15 03:54:54
○PTRsk.s5.ans1.ns148.ztomy.com2020-02-21 → 2020-02-21 · 3 obs
● 2020-02-21 22:33:46
○ 2026-02-19 15:05:16
○ 2026-04-15 03:54:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
just4exam.comcortney.ns.cloudflare.com, jason.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.87

NS records: cortney.ns.cloudflare.com, jason.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for just4exam.com (unsigned zone)

⏱️ Timing

Total: 139ms | Queries: -

📄 Records

TypeCountSample Data
A123.90.36.227
NS2cortney.ns.cloudflare.com, jason.ns.cloudflare.com
SOA1cortney.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

just4exam.com is the parent of www.just4exam.com.

IP Addresses

just4exam.com points to IP number 23.90.36.227.

Other host names for example www.just4exam.com, basilisk.jcrowell.com and jcrowell.com share IP numbers with just4exam.com.

Name Servers

just4exam.com is delegated to two name servers: cortney.ns.cloudflare.com and jason.ns.cloudflare.com.

just4exam.com uses the same name server setup as other domains such as cpcinema.com, tamm-oil.com, leadingbythebook.com, delong0750.com and ddcyc.com.

just4exam.com shares name servers with other domains at least partially, for example lifemedicalcentre.com, lazegeyafusconsulting.click, compass-com.eu, deltaquantumbase.click and huaqilong.cn.

These name servers are commonly used with the name servers magdalena.ns.cloudflare.com and teresa.ns.cloudflare.com.

Host names with six IP numbers: host name cortney.ns.cloudflare.com points to: 2606:4700:50::adf5:3a57, 2803:f800:50::6ca2:c057, 2a06:98c1:50::ac40:2057, 108.162.192.87, 172.64.32.87 and 173.245.58.87; host name jason.ns.cloudflare.com points to: 2606:4700:58::adf5:3bb3, 2803:f800:50::6ca2:c1b3, 2a06:98c1:50::ac40:21b3, 108.162.193.179, 172.64.33.179 and 173.245.59.179.