codeschool.com - robtex.com
codeschool.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700::6811:a07a🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700::6811:b07a🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700::6811:c07a🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700::6812:affb🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700::6812:bffb🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.17.160.122Cloudflare104.17.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.17.176.122Cloudflare104.17.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.17.192.122Cloudflare104.17.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.18.175.251Cloudflare104.18.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.18.191.251Cloudflare104.18.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | boyd.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b4b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | boyd.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c14b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | boyd.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:214b🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | boyd.ns.cloudflare.com | ||||||
| A | 108.162.193.75🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | boyd.ns.cloudflare.com | ||||||
| A | 172.64.33.75🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | boyd.ns.cloudflare.com | ||||||
| A | 173.245.59.75🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | boyd.ns.cloudflare.com | ||||||
| NS | dawn.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a6a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dawn.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c06a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | dawn.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:206a🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | dawn.ns.cloudflare.com | ||||||
| A | 108.162.192.106🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dawn.ns.cloudflare.com | ||||||
| A | 172.64.32.106🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dawn.ns.cloudflare.com | ||||||
| A | 173.245.58.106🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dawn.ns.cloudflare.com | ||||||
| MX | aspmx.l.google.com ⭐ | ||||||
| A | 2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48 | ||||||
| PTR | bk-in-f27.1e100.net | ||||||
| A | 172.253.62.27🇺🇸 Google172.253.62.0/24 | ||||||
| PTR | bc-in-f27.1e100.net | ||||||
| MX | alt1.aspmx.l.google.com(5) | ||||||
| A | 2607:f8b0:4003:c30::1b🇺🇸 Google2607:f8b0:4003::/48 | ||||||
| PTR | yutulis-in-f27.1e100.net | ||||||
| A | 74.125.27.26🇺🇸 Google74.125.27.0/24 | ||||||
| PTR | yutulis-in-f26.1e100.net | ||||||
| MX | alt2.aspmx.l.google.com(5) | ||||||
| A | 2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48 | ||||||
| PTR | yucbful-in-f26.1e100.net | ||||||
| A | 192.178.209.26🇺🇸 Google192.178.209.0/24 | ||||||
| PTR | yucbful-in-f26.1e100.net | ||||||
| MX | aspmx2.googlemail.com(10) | ||||||
| A | 2607:f8b0:4023:2801::1b🇺🇸 Google2607:f8b0::/32 | ||||||
| PTR | lcausi-in-f27.1e100.net | ||||||
| A | 192.178.128.27🇺🇸 Google192.178.128.0/24 | ||||||
| PTR | lcausi-in-f27.1e100.net | ||||||
| MX | aspmx3.googlemail.com(10) | ||||||
| A | 2607:f8b0:4023:1015::1b🇺🇸 Google2607:f8b0::/32 | ||||||
| PTR | yudfwta-in-f27.1e100.net | ||||||
| A | 172.253.135.26🇺🇸 Google172.253.135.0/24 | ||||||
| PTR | yudfwta-in-f26.1e100.net | ||||||
| TXT | google-site-verification=9AMkwNsGjneq0l3xzmQDKGvh6n_g_gWhsPpJi3J6k94 | ||||||
| TXT | google-site-verification=A8hsKb8wgGZdT5bHw7GCdbKtt2pJQrvCaxdNn7qaB8o | ||||||
| TXT | google-site-verification=Ewrftu0btviygspT45KgbQMvqrAeL14FKL2YpP3FS00 | ||||||
| TXT | google-site-verification=ITLjrxkF7VnMoQTaJivL55gzJlzhr6vUH1qbENNbY-c | ||||||
| TXT | google-site-verification=e0HK9V6ZjLnjyNHXJt_jlB7NOmbIVWEOEY5zxx98tx0 | ||||||
| TXT | google-site-verification=w26jKmmlbPc5XxeMzAz91n9VGGwKHrAwlEpMeQb5V54 | ||||||
| TXT | status-page-domain-verification=drcf3hfszg53 | ||||||
| TXT | v=DMARC1; p=reject; rua=mailto:dmarc@pluralsight.com; ruf=mailto:dmarc@plural... | ||||||
| TXT | v=spf1 a mx include:_spf.google.com include:spf.mandrillapp.com include:serve... | ||||||
| HTTPS | HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.17.160.122, 104.17.176.122, 104.17.192.122, 104.18.175.251, 104.18.191.251 | ||||||
| IPv6 | 2606:4700::6811:a07a, 2606:4700::6811:b07a, 2606:4700::6811:c07a, 2606:4700::6812:affb, 2606:4700::6812:bffb | ||||||
| SOA | boyd.ns.cloudflare.comdns@cloudflare.com serial=2398849222 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
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
Similar names
DNS History
33 records (17 active, 16 former)
●NSboyd.ns.cloudflare.com2015-06-27 → 2026-03-18 · 2 obs
● 2026-03-18 17:30:12
●NSdawn.ns.cloudflare.com2015-06-27 → 2026-03-18 · 2 obs
● 2026-03-18 17:30:12
●MXalt1.aspmx.l.google.com2015-06-27 → 2026-03-18 · 2 obs
● 2026-03-18 17:30:12
●MXalt2.aspmx.l.google.com2015-06-27 → 2026-03-18 · 2 obs
● 2026-03-18 17:30:12
●MXaspmx.l.google.com2015-06-27 → 2026-03-18 · 2 obs
● 2026-03-18 17:30:12
●MXaspmx2.googlemail.com2015-06-27 → 2026-03-18 · 2 obs
● 2026-03-18 17:30:12
●MXaspmx3.googlemail.com2015-06-27 → 2026-03-18 · 2 obs
● 2026-03-18 17:30:12
○MXaspmx4.googlemail.com2015-06-27 → 2017-10-05 · 4 obs
● 2017-10-05 16:30:36
○ 2021-04-02 10:48:54
○ 2026-03-18 17:30:12
○MXaspmx5.googlemail.com2015-06-27 → 2017-10-05 · 4 obs
● 2017-10-05 16:30:36
○ 2021-04-02 10:48:54
○ 2026-03-18 17:30:12
○A104.17.12.852021-04-02 → 2021-10-04 · 5 obs
● 2021-04-02 10:48:54
● 2021-10-04 23:48:50
○ 2026-02-16 08:37:20
○ 2026-03-18 17:30:12
○A104.17.13.852021-04-02 → 2021-10-04 · 5 obs
● 2021-04-02 10:48:54
● 2021-10-04 23:48:50
○ 2026-02-16 08:37:20
○ 2026-03-18 17:30:12
○A104.17.14.852021-04-02 → 2021-10-04 · 5 obs
● 2021-04-02 10:48:54
● 2021-10-04 23:48:50
○ 2026-02-16 08:37:20
○ 2026-03-18 17:30:12
○A104.17.15.852021-04-02 → 2021-10-04 · 5 obs
● 2021-04-02 10:48:54
● 2021-10-04 23:48:50
○ 2026-02-16 08:37:20
○ 2026-03-18 17:30:12
○A104.17.16.852021-04-02 → 2021-10-04 · 5 obs
● 2021-04-02 10:48:54
● 2021-10-04 23:48:50
○ 2026-02-16 08:37:20
○ 2026-03-18 17:30:12
●A104.17.160.1222026-02-16 → 2026-03-18 · 3 obs
● 2026-02-16 08:37:20
● 2026-03-18 17:30:12
●A104.17.176.1222026-02-16 → 2026-03-18 · 3 obs
● 2026-02-16 08:37:20
● 2026-03-18 17:30:12
●A104.17.192.1222026-02-16 → 2026-03-18 · 3 obs
● 2026-02-16 08:37:20
● 2026-03-18 17:30:12
●A104.18.175.2512026-02-16 → 2026-03-18 · 3 obs
● 2026-02-16 08:37:20
● 2026-03-18 17:30:12
●A104.18.191.2512026-02-16 → 2026-03-18 · 3 obs
● 2026-02-16 08:37:20
● 2026-03-18 17:30:12
○A104.20.4.372015-06-27 → 2017-10-05 · 4 obs
● 2017-10-05 16:30:36
○ 2021-04-02 10:48:54
○ 2026-03-18 17:30:12
○A104.20.5.372015-06-27 → 2017-10-05 · 4 obs
● 2017-10-05 16:30:36
○ 2021-04-02 10:48:54
○ 2026-03-18 17:30:12
○A2400:cb00:2048:1::6814:4252015-06-27 → 2017-10-05 · 4 obs
● 2017-10-05 16:30:36
○ 2021-04-02 10:48:54
○ 2026-03-18 17:30:12
○A2400:cb00:2048:1::6814:5252015-06-27 → 2017-10-05 · 4 obs
● 2017-10-05 16:30:36
○ 2021-04-02 10:48:54
○ 2026-03-18 17:30:12
○A2606:4700::6811:10552021-04-02 → 2021-10-04 · 5 obs
● 2021-04-02 10:48:54
● 2021-10-04 23:48:50
○ 2026-02-16 08:37:20
○ 2026-03-18 17:30:12
●A2606:4700::6811:a07a2026-02-16 → 2026-03-18 · 3 obs
● 2026-02-16 08:37:20
● 2026-03-18 17:30:12
●A2606:4700::6811:b07a2026-02-16 → 2026-03-18 · 3 obs
● 2026-02-16 08:37:20
● 2026-03-18 17:30:12
●A2606:4700::6811:c07a2026-02-16 → 2026-03-18 · 3 obs
● 2026-02-16 08:37:20
● 2026-03-18 17:30:12
○A2606:4700::6811:c552021-04-02 → 2021-10-04 · 5 obs
● 2021-04-02 10:48:54
● 2021-10-04 23:48:50
○ 2026-02-16 08:37:20
○ 2026-03-18 17:30:12
○A2606:4700::6811:d552021-04-02 → 2021-10-04 · 5 obs
● 2021-04-02 10:48:54
● 2021-10-04 23:48:50
○ 2026-02-16 08:37:20
○ 2026-03-18 17:30:12
○A2606:4700::6811:e552021-04-02 → 2021-10-04 · 5 obs
● 2021-04-02 10:48:54
● 2021-10-04 23:48:50
○ 2026-02-16 08:37:20
○ 2026-03-18 17:30:12
○A2606:4700::6811:f552021-04-02 → 2021-10-04 · 5 obs
● 2021-04-02 10:48:54
● 2021-10-04 23:48:50
○ 2026-02-16 08:37:20
○ 2026-03-18 17:30:12
●A2606:4700::6812:affb2026-02-16 → 2026-03-18 · 3 obs
● 2026-02-16 08:37:20
● 2026-03-18 17:30:12
●A2606:4700::6812:bffb2026-02-16 → 2026-03-18 · 3 obs
● 2026-02-16 08:37:20
● 2026-03-18 17:30:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net... | - |
| codeschool.com | dawn.ns.cloudflare.com, boyd.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server: 108.162.193.75
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: 484ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 5 | 104.17.192.122, 104.18.191.251... |
| AAAA | 5 | 2606:4700::6811:b07a, 2606:4700::6812:bffb... |
| NS | 2 | boyd.ns.cloudflare.com, dawn.ns.cloudflare.com |
| MX | 5 | aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)... |
| TXT | 9 | google-site-verification=9AMkwNsGjneq0l3, google-site-verification=A8hsKb8wgGZdT5b... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h2"] |
| SOA | 1 | boyd.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 a 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
codeschool.com points to ten IP numbers: 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 such as discuss.codeschool.com, javascript-roadtrip.codeschool.com, projector.codeschool.com, tryjquery.codeschool.com and fivejs.codeschool.com share IPs with codeschool.com.
Name Servers
Two name servers boyd.ns.cloudflare.com and dawn.ns.cloudflare.com handle the delegation for codeschool.com.
codeschool.com shares the same name server setup as other domains, for example 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 example sshl.ca, thijstops.dev, peterharris.org, unhcr.dk and radix.ai.
These name servers are often used together with will.ns.cloudflare.com and melinda.ns.cloudflare.com.
Host names with six IP numbers:
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.
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 at least partially some mail servers with other domains, 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 together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IP numbers
Each host name points to two IP numbers:
aspmx2.googlemail.com points to 2607:f8b0:4023:2801::1b and 192.178.128.27
aspmx3.googlemail.com points to 2607:f8b0:4023:1015::1b and 172.253.135.26
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