codeschool.com - robtex.com

codeschool.com

DNSSEC⚠️ Not signed
A2606:4700::6811:a07a🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700::6811:b07a🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700::6811:c07a🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700::6812:affb🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700::6812:bffb🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.17.160.122Cloudflare104.17.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.17.176.122Cloudflare104.17.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.17.192.122Cloudflare104.17.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.18.175.251Cloudflare104.18.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.18.191.251Cloudflare104.18.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSboyd.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b4b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRboyd.ns.cloudflare.com
A2803:f800:50::6ca2:c14b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRboyd.ns.cloudflare.com
A2a06:98c1:50::ac40:214b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRboyd.ns.cloudflare.com
A108.162.193.75🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRboyd.ns.cloudflare.com
A172.64.33.75🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRboyd.ns.cloudflare.com
A173.245.59.75🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRboyd.ns.cloudflare.com
NSdawn.ns.cloudflare.com
A2606:4700:50::adf5:3a6a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdawn.ns.cloudflare.com
A2803:f800:50::6ca2:c06a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdawn.ns.cloudflare.com
A2a06:98c1:50::ac40:206a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdawn.ns.cloudflare.com
A108.162.192.106🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdawn.ns.cloudflare.com
A172.64.32.106🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdawn.ns.cloudflare.com
A173.245.58.106🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdawn.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4003:c30::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.26🇺🇸 Google74.125.27.0/24
PTRyutulis-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.26🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
MXaspmx2.googlemail.com(10)
A2607:f8b0:4003:c30::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.27🇺🇸 Google74.125.27.0/24
PTRyutulis-in-f27.1e100.net
MXaspmx3.googlemail.com(10)
A2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.27🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f27.1e100.net
TXTgoogle-site-verification=9AMkwNsGjneq0l3xzmQDKGvh6n_g_gWhsPpJi3J6k94
TXTgoogle-site-verification=A8hsKb8wgGZdT5bHw7GCdbKtt2pJQrvCaxdNn7qaB8o
TXTgoogle-site-verification=Ewrftu0btviygspT45KgbQMvqrAeL14FKL2YpP3FS00
TXTgoogle-site-verification=ITLjrxkF7VnMoQTaJivL55gzJlzhr6vUH1qbENNbY-c
TXTgoogle-site-verification=e0HK9V6ZjLnjyNHXJt_jlB7NOmbIVWEOEY5zxx98tx0
TXTgoogle-site-verification=w26jKmmlbPc5XxeMzAz91n9VGGwKHrAwlEpMeQb5V54
TXTstatus-page-domain-verification=drcf3hfszg53
TXTv=DMARC1; p=reject; rua=mailto:dmarc@pluralsight.com; ruf=mailto:dmarc@plural...
TXTv=spf1 a mx include:_spf.google.com include:spf.mandrillapp.com include:serve...
HTTPSHTTP/2 ✓ hints match
IPv4104.17.160.122, 104.17.176.122, 104.17.192.122, 104.18.175.251, 104.18.191.251
IPv62606:4700::6811:a07a, 2606:4700::6811:b07a, 2606:4700::6811:c07a, 2606:4700::6812:affb, 2606:4700::6812:bffb
SOAboyd.ns.cloudflare.comdns@cloudflare.com serial=2398849222

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=1771291435
rank #22813 globally
rank #11471 in the tld
WOT: SAFE (94/100)
📈 Tranco rank: #96,658

Subdomains

campus.codeschool.com
internal.codeschool.com
www.codeschool.com
support.codeschool.com
dart.codeschool.com
javascript-roadtrip-part3.codeschool.com
discuss.codeschool.com
javascript-roadtrip.codeschool.com
projector.codeschool.com
tryjquery.codeschool.com
fivejs.codeschool.com
frontendfive.codeschool.com

Same first word

codeschool.org
codeschool.vn
codeschool.com.tw
codeschool.com.au
codeschool.ro
codeschool.co.uk
codeschool.co
codeschool.nl
codeschool.fi
codeschool.io
codeschool.online
codeschool.net
codeschool.de
codeschool.com
codeschool.lk
codeschool.in

Similar names

schoolcode.com
choloscode.com
schoolcode.info
decoschool.com
coedschool.com

DNS History

33 records (17 active, 16 former)

20162017201820192020202120222023202420252026NSboyd.ns.cloudflare.comdawn.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA104.17.160.122104.17.176.122104.17.192.122104.18.175.251104.18.191.2512606:4700::6811:a07a2606:4700::6811:b07a2606:4700::6811:c07a2606:4700::6812:affb2606:4700::6812:bffb104.17.12.85104.17.13.85104.17.14.85104.17.15.85104.17.16.85104.20.4.37104.20.5.372400:cb00:2048:1::6814:4252400:cb00:2048:1::6814:5252606:4700::6811:10552606:4700::6811:c552606:4700::6811:d552606:4700::6811:e552606:4700::6811:f55
●NSboyd.ns.cloudflare.com2015-06-27 → 2026-03-14 · 2 obs
● 2015-06-27 22:58:44
● 2026-03-14 02:27:28
●NSdawn.ns.cloudflare.com2015-06-27 → 2026-03-14 · 2 obs
● 2015-06-27 22:58:44
● 2026-03-14 02:27:28
●MXalt1.aspmx.l.google.com2015-06-27 → 2026-03-14 · 2 obs
● 2015-06-27 22:58:44
● 2026-03-14 02:27:28
●MXalt2.aspmx.l.google.com2015-06-27 → 2026-03-14 · 2 obs
● 2015-06-27 22:58:44
● 2026-03-14 02:27:28
●MXaspmx.l.google.com2015-06-27 → 2026-03-14 · 2 obs
● 2015-06-27 22:58:44
● 2026-03-14 02:27:28
●MXaspmx2.googlemail.com2015-06-27 → 2026-03-14 · 2 obs
● 2015-06-27 22:58:44
● 2026-03-14 02:27:28
●MXaspmx3.googlemail.com2015-06-27 → 2026-03-14 · 2 obs
● 2015-06-27 22:58:44
● 2026-03-14 02:27:28
○MXaspmx4.googlemail.com2015-06-27 → 2017-10-05 · 4 obs
● 2015-06-27 22:58:44
● 2017-10-05 16:30:36
○ 2021-04-02 10:48:54
○ 2026-03-14 02:27:28
○MXaspmx5.googlemail.com2015-06-27 → 2017-10-05 · 4 obs
● 2015-06-27 22:58:44
● 2017-10-05 16:30:36
○ 2021-04-02 10:48:54
○ 2026-03-14 02:27:28
○A104.17.12.852021-04-02 → 2021-10-04 · 5 obs
○ 2017-10-05 16:30:36
● 2021-04-02 10:48:54
● 2021-10-04 23:48:50
○ 2026-02-16 08:37:20
○ 2026-03-14 02:27:28
○A104.17.13.852021-04-02 → 2021-10-04 · 5 obs
○ 2017-10-05 16:30:36
● 2021-04-02 10:48:54
● 2021-10-04 23:48:50
○ 2026-02-16 08:37:20
○ 2026-03-14 02:27:28
○A104.17.14.852021-04-02 → 2021-10-04 · 5 obs
○ 2017-10-05 16:30:36
● 2021-04-02 10:48:54
● 2021-10-04 23:48:50
○ 2026-02-16 08:37:20
○ 2026-03-14 02:27:28
○A104.17.15.852021-04-02 → 2021-10-04 · 5 obs
○ 2017-10-05 16:30:36
● 2021-04-02 10:48:54
● 2021-10-04 23:48:50
○ 2026-02-16 08:37:20
○ 2026-03-14 02:27:28
○A104.17.16.852021-04-02 → 2021-10-04 · 5 obs
○ 2017-10-05 16:30:36
● 2021-04-02 10:48:54
● 2021-10-04 23:48:50
○ 2026-02-16 08:37:20
○ 2026-03-14 02:27:28
●A104.17.160.1222026-02-16 → 2026-03-14 · 3 obs
○ 2021-10-04 23:48:50
● 2026-02-16 08:37:20
● 2026-03-14 02:27:28
●A104.17.176.1222026-02-16 → 2026-03-14 · 3 obs
○ 2021-10-04 23:48:50
● 2026-02-16 08:37:20
● 2026-03-14 02:27:28
●A104.17.192.1222026-02-16 → 2026-03-14 · 3 obs
○ 2021-10-04 23:48:50
● 2026-02-16 08:37:20
● 2026-03-14 02:27:28
●A104.18.175.2512026-02-16 → 2026-03-14 · 3 obs
○ 2021-10-04 23:48:50
● 2026-02-16 08:37:20
● 2026-03-14 02:27:28
●A104.18.191.2512026-02-16 → 2026-03-14 · 3 obs
○ 2021-10-04 23:48:50
● 2026-02-16 08:37:20
● 2026-03-14 02:27:28
○A104.20.4.372015-06-27 → 2017-10-05 · 4 obs
● 2015-06-27 22:58:44
● 2017-10-05 16:30:36
○ 2021-04-02 10:48:54
○ 2026-03-14 02:27:28
○A104.20.5.372015-06-27 → 2017-10-05 · 4 obs
● 2015-06-27 22:58:44
● 2017-10-05 16:30:36
○ 2021-04-02 10:48:54
○ 2026-03-14 02:27:28
○A2400:cb00:2048:1::6814:4252015-06-27 → 2017-10-05 · 4 obs
● 2015-06-27 22:58:44
● 2017-10-05 16:30:36
○ 2021-04-02 10:48:54
○ 2026-03-14 02:27:28
○A2400:cb00:2048:1::6814:5252015-06-27 → 2017-10-05 · 4 obs
● 2015-06-27 22:58:44
● 2017-10-05 16:30:36
○ 2021-04-02 10:48:54
○ 2026-03-14 02:27:28
○A2606:4700::6811:10552021-04-02 → 2021-10-04 · 5 obs
○ 2017-10-05 16:30:36
● 2021-04-02 10:48:54
● 2021-10-04 23:48:50
○ 2026-02-16 08:37:20
○ 2026-03-14 02:27:28
●A2606:4700::6811:a07a2026-02-16 → 2026-03-14 · 3 obs
○ 2021-10-04 23:48:50
● 2026-02-16 08:37:20
● 2026-03-14 02:27:28
●A2606:4700::6811:b07a2026-02-16 → 2026-03-14 · 3 obs
○ 2021-10-04 23:48:50
● 2026-02-16 08:37:20
● 2026-03-14 02:27:28
●A2606:4700::6811:c07a2026-02-16 → 2026-03-14 · 3 obs
○ 2021-10-04 23:48:50
● 2026-02-16 08:37:20
● 2026-03-14 02:27:28
○A2606:4700::6811:c552021-04-02 → 2021-10-04 · 5 obs
○ 2017-10-05 16:30:36
● 2021-04-02 10:48:54
● 2021-10-04 23:48:50
○ 2026-02-16 08:37:20
○ 2026-03-14 02:27:28
○A2606:4700::6811:d552021-04-02 → 2021-10-04 · 5 obs
○ 2017-10-05 16:30:36
● 2021-04-02 10:48:54
● 2021-10-04 23:48:50
○ 2026-02-16 08:37:20
○ 2026-03-14 02:27:28
○A2606:4700::6811:e552021-04-02 → 2021-10-04 · 5 obs
○ 2017-10-05 16:30:36
● 2021-04-02 10:48:54
● 2021-10-04 23:48:50
○ 2026-02-16 08:37:20
○ 2026-03-14 02:27:28
○A2606:4700::6811:f552021-04-02 → 2021-10-04 · 5 obs
○ 2017-10-05 16:30:36
● 2021-04-02 10:48:54
● 2021-10-04 23:48:50
○ 2026-02-16 08:37:20
○ 2026-03-14 02:27:28
●A2606:4700::6812:affb2026-02-16 → 2026-03-14 · 3 obs
○ 2021-10-04 23:48:50
● 2026-02-16 08:37:20
● 2026-03-14 02:27:28
●A2606:4700::6812:bffb2026-02-16 → 2026-03-14 · 3 obs
○ 2021-10-04 23:48:50
● 2026-02-16 08:37:20
● 2026-03-14 02:27:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
codeschool.comdawn.ns.cloudflare.com, boyd.ns.cloudflare.com12 records

✅ Authoritative Response

Server: 108.162.192.106

NS records: dawn.ns.cloudflare.com, boyd.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codeschool.com (unsigned zone)

⏱️ Timing

Total: 281ms | Queries: -

📄 Records

TypeCountSample Data
A5104.17.160.122, 104.18.191.251...
AAAA52606:4700::6811:c07a, 2606:4700::6811:a07a...
NS2boyd.ns.cloudflare.com, dawn.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...
TXT9google-site-verification=9AMkwNsGjneq0l3, google-site-verification=A8hsKb8wgGZdT5b...
HTTPS1{"priority":1,"target":".","alpn":["h2"]
SOA1boyd.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

codeschool.com is the parent of campus.codeschool.com, internal.codeschool.com, www.codeschool.com, support.codeschool.com, dart.codeschool.com and a few other host names.

IP Addresses

Ten IP numbers are pointed to by codeschool.com: 2606:4700::6811:a07a, 2606:4700::6811:b07a, 2606:4700::6811:c07a, 2606:4700::6812:affb, 2606:4700::6812:bffb, 104.17.160.122, 104.17.176.122, 104.17.192.122, 104.18.175.251 and 104.18.191.251.

other host names including discuss.codeschool.com, javascript-roadtrip.codeschool.com, projector.codeschool.com, tryjquery.codeschool.com and fivejs.codeschool.com share IP numbers with codeschool.com.

Name Servers

codeschool.com is delegated to two name servers boyd.ns.cloudflare.com and dawn.ns.cloudflare.com.

codeschool.com shares the same name server setup as other domains, for instance brokerreview-daily.top, vizardtv.com, 4kanserver.com, fontecred.com.br and mdsiinc.com.

codeschool.com at least partially shares name servers with other domains, for instance sshl.ca, thijstops.dev, peterharris.org, unhcr.dk and radix.ai.

These name servers are commonly used alongside will.ns.cloudflare.com and melinda.ns.cloudflare.com.

Host names with six IP numbers:

Host name boyd.ns.cloudflare.com points to: 2606:4700:58::adf5:3b4b, 2803:f800:50::6ca2:c14b, 2a06:98c1:50::ac40:214b, 108.162.193.75, 172.64.33.75 and 173.245.59.75.

Host name dawn.ns.cloudflare.com points to: 2606:4700:50::adf5:3a6a, 2803:f800:50::6ca2:c06a, 2a06:98c1:50::ac40:206a, 108.162.192.106, 172.64.32.106 and 173.245.58.106.

Mail Servers

codeschool.com is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

codeschool.com shares some mail servers with other domains, at least partially, for instance nextpm.net, ns500737.ns500599.ns500724.ns500724.ns500737.ns500599.ns500724.ns500737.ns500599.ns500599.ns500724.ns500724.ns500599.ns500697.ns500669.ns500583.yummyflingsfinder.com, ns500768.ns500698.ns500758.ns500759.ns500758.ns500698.ns500736.ns500708.ns500576.ns500698.ns500698.ns500619.ns500686.ns500619.ns500576.trackreceptor.com, ns500759.ns500698.ns500759.ns500758.ns500758.ns500698.ns500736.ns500698.ns500698.ns500698.ns500708.ns500576.ns500698.ns500698.ns500576.ns500619.ns500619.trackreceptor.com and ns500754.ns500754.ns500742.ns500742.ns500742.ns500742.ns500704.ns500704.ns500688.ns500678.ns500649.ns500671.ns500671.ns500666.tenderladiesbz.com.

these mail servers are often used with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers

aspmx2.googlemail.com points to 2607:f8b0:4003:c30::1b and 74.125.27.27

aspmx3.googlemail.com points to 2607:f8b0:4001:c70::1a and 192.178.209.27

aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27

alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26

alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26

Host names that point to 2607:f8b0:4003:c30::1b: aspmx2.googlemail.com and alt1.aspmx.l.google.com

Host names that point to 2607:f8b0:4001:c70::1a: aspmx3.googlemail.com and alt2.aspmx.l.google.com