codingexplained.com - dns.ninja

codingexplained.com

DNSSEC⚠️ Not signed
A2606:4700:3037::6815:1847🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:d95c🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.24.71Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.217.92🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSrachel.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3ad7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrachel.ns.cloudflare.com
A2803:f800:50::6ca2:c0d7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrachel.ns.cloudflare.com
A2a06:98c1:50::ac40:20d7🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrachel.ns.cloudflare.com
A108.162.192.215🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrachel.ns.cloudflare.com
A172.64.32.215🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrachel.ns.cloudflare.com
A173.245.58.215🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrachel.ns.cloudflare.com
NSsean.ns.cloudflare.com
A2606:4700:58::adf5:3be7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsean.ns.cloudflare.com
A2803:f800:50::6ca2:c1e7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsean.ns.cloudflare.com
A2a06:98c1:50::ac40:21e7🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsean.ns.cloudflare.com
A108.162.193.231🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsean.ns.cloudflare.com
A172.64.33.231🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsean.ns.cloudflare.com
A173.245.59.231🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsean.ns.cloudflare.com
MXmx.simply.com ⭐
A94.231.106.20🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S
PTRmx.simply.com
TXTgoogle-site-verification=Hi_mTA4EqrhICTitErC_TkuyvhNLsfykvZXhEJTb5Lc
TXTv=spf1 include:mailgun.org ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.24.71, 172.67.217.92
IPv6 hints2606:4700:3037::6815:1847, 2606:4700:3037::ac43:d95c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=35, name=cloudflare-ech.com
SOArachel.ns.cloudflare.comdns@cloudflare.com serial=2409156476

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=1785545507

Subdomains

courses.codingexplained.com
www.codingexplained.com

Same first word

codingexplained.com

DNS History

29 records (7 active, 22 former)

20162017201820192020202120222023202420252026NSrachel.ns.cloudflare.comsean.ns.cloudflare.comdns1.registrar-servers.comdns2.registrar-servers.comdns3.registrar-servers.comdns4.registrar-servers.comdns5.registrar-servers.comMXmx.simply.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA104.21.24.71172.67.217.922606:4700:3037::6815:18472606:4700:3037::ac43:d95c104.28.26.48104.28.27.48188.114.96.0188.114.97.02400:cb00:2048:1::681c:1a302400:cb00:2048:1::681c:1b302606:4700:3030::ac43:d95c2a06:98c1:3120::2a06:98c1:3121::94.231.106.7
○NSdns1.registrar-servers.com2015-08-08 → 2016-07-17 · 4 obs
● 2015-08-08 12:33:28
● 2016-07-17 08:05:18
○ 2017-06-02 11:30:06
○ 2026-08-01 01:00:56
○NSdns2.registrar-servers.com2015-08-08 → 2016-07-17 · 4 obs
● 2015-08-08 12:33:28
● 2016-07-17 08:05:18
○ 2017-06-02 11:30:06
○ 2026-08-01 01:00:56
○NSdns3.registrar-servers.com2015-08-08 → 2016-03-27 · 4 obs
● 2015-08-08 12:33:28
● 2016-03-27 20:34:32
○ 2016-07-17 08:05:18
○ 2026-08-01 01:00:56
○NSdns4.registrar-servers.com2015-08-08 → 2016-03-27 · 4 obs
● 2015-08-08 12:33:28
● 2016-03-27 20:34:32
○ 2016-07-17 08:05:18
○ 2026-08-01 01:00:56
○NSdns5.registrar-servers.com2015-08-08 → 2016-03-27 · 4 obs
● 2015-08-08 12:33:28
● 2016-03-27 20:34:32
○ 2016-07-17 08:05:18
○ 2026-08-01 01:00:56
●NSrachel.ns.cloudflare.com2017-06-02 → 2026-08-01 · 3 obs
○ 2016-07-17 08:05:18
● 2017-06-02 11:30:06
● 2026-08-01 01:00:56
●NSsean.ns.cloudflare.com2017-06-02 → 2026-08-01 · 3 obs
○ 2016-07-17 08:05:18
● 2017-06-02 11:30:06
● 2026-08-01 01:00:56
○MXalt1.aspmx.l.google.com2015-08-08 → 2017-06-02 · 4 obs
● 2015-08-08 12:33:28
● 2017-06-02 11:30:06
○ 2026-02-16 01:52:18
○ 2026-08-01 01:00:56
○MXalt2.aspmx.l.google.com2015-08-08 → 2017-06-02 · 4 obs
● 2015-08-08 12:33:28
● 2017-06-02 11:30:06
○ 2026-02-16 01:52:18
○ 2026-08-01 01:00:56
○MXalt3.aspmx.l.google.com2017-06-02 → 2017-06-02 · 4 obs
○ 2016-07-17 08:05:18
● 2017-06-02 11:30:06
○ 2026-02-16 01:52:18
○ 2026-08-01 01:00:56
○MXalt4.aspmx.l.google.com2017-06-02 → 2017-06-02 · 4 obs
○ 2016-07-17 08:05:18
● 2017-06-02 11:30:06
○ 2026-02-16 01:52:18
○ 2026-08-01 01:00:56
○MXaspmx.l.google.com2015-08-08 → 2017-06-02 · 4 obs
● 2015-08-08 12:33:28
● 2017-06-02 11:30:06
○ 2026-02-16 01:52:18
○ 2026-08-01 01:00:56
○MXaspmx2.googlemail.com2015-08-08 → 2016-07-17 · 4 obs
● 2015-08-08 12:33:28
● 2016-07-17 08:05:18
○ 2017-06-02 11:30:06
○ 2026-08-01 01:00:56
○MXaspmx3.googlemail.com2015-08-08 → 2016-07-17 · 4 obs
● 2015-08-08 12:33:28
● 2016-07-17 08:05:18
○ 2017-06-02 11:30:06
○ 2026-08-01 01:00:56
●MXmx.simply.com2026-02-16 → 2026-08-01 · 3 obs
○ 2017-06-02 11:30:06
● 2026-02-16 01:52:18
● 2026-08-01 01:00:56
●A104.21.24.712026-02-16 → 2026-08-01 · 9 obs
○ 2017-06-02 11:30:06
● 2026-02-16 01:52:18
● 2026-03-19 01:09:22
○ 2026-03-29 00:28:34
○ 2026-04-22 06:45:56
● 2026-04-23 21:51:32
○ 2026-04-25 03:50:12
● 2026-04-29 21:16:48
● 2026-08-01 01:00:56
○A104.28.26.482017-06-02 → 2017-06-02 · 4 obs
○ 2016-07-17 08:05:18
● 2017-06-02 11:30:06
○ 2026-02-16 01:52:18
○ 2026-08-01 01:00:56
○A104.28.27.482017-06-02 → 2017-06-02 · 4 obs
○ 2016-07-17 08:05:18
● 2017-06-02 11:30:06
○ 2026-02-16 01:52:18
○ 2026-08-01 01:00:56
●A172.67.217.922026-02-16 → 2026-08-01 · 9 obs
○ 2017-06-02 11:30:06
● 2026-02-16 01:52:18
● 2026-03-19 01:09:22
○ 2026-03-29 00:28:34
○ 2026-04-22 06:45:56
● 2026-04-23 21:51:32
○ 2026-04-25 03:50:12
● 2026-04-29 21:16:48
● 2026-08-01 01:00:56
○A188.114.96.02026-03-29 → 2026-04-25 · 7 obs
○ 2026-03-19 01:09:22
● 2026-03-29 00:28:34
● 2026-04-22 06:45:56
○ 2026-04-23 21:51:32
● 2026-04-25 03:50:12
○ 2026-04-29 21:16:48
○ 2026-08-01 01:00:56
○A188.114.97.02026-03-29 → 2026-04-25 · 7 obs
○ 2026-03-19 01:09:22
● 2026-03-29 00:28:34
● 2026-04-22 06:45:56
○ 2026-04-23 21:51:32
● 2026-04-25 03:50:12
○ 2026-04-29 21:16:48
○ 2026-08-01 01:00:56
○A2400:cb00:2048:1::681c:1a302017-06-02 → 2017-06-02 · 4 obs
○ 2016-07-17 08:05:18
● 2017-06-02 11:30:06
○ 2026-02-16 01:52:18
○ 2026-08-01 01:00:56
○A2400:cb00:2048:1::681c:1b302017-06-02 → 2017-06-02 · 4 obs
○ 2016-07-17 08:05:18
● 2017-06-02 11:30:06
○ 2026-02-16 01:52:18
○ 2026-08-01 01:00:56
○A2606:4700:3030::ac43:d95c2026-02-16 → 2026-05-30 · 11 obs
○ 2017-06-02 11:30:06
● 2026-02-16 01:52:18
● 2026-03-19 01:09:22
○ 2026-03-29 00:28:34
○ 2026-04-22 06:45:56
● 2026-04-23 21:51:32
○ 2026-04-25 03:50:12
● 2026-04-29 21:16:48
● 2026-05-30 23:55:28
○ 2026-06-29 03:05:28
○ 2026-08-01 01:00:56
●A2606:4700:3037::6815:18472026-02-16 → 2026-08-01 · 9 obs
○ 2017-06-02 11:30:06
● 2026-02-16 01:52:18
● 2026-03-19 01:09:22
○ 2026-03-29 00:28:34
○ 2026-04-22 06:45:56
● 2026-04-23 21:51:32
○ 2026-04-25 03:50:12
● 2026-04-29 21:16:48
● 2026-08-01 01:00:56
●A2606:4700:3037::ac43:d95c2026-06-29 → 2026-08-01 · 3 obs
○ 2026-05-30 23:55:28
● 2026-06-29 03:05:28
● 2026-08-01 01:00:56
○A2a06:98c1:3120::2026-03-29 → 2026-04-25 · 7 obs
○ 2026-03-19 01:09:22
● 2026-03-29 00:28:34
● 2026-04-22 06:45:56
○ 2026-04-23 21:51:32
● 2026-04-25 03:50:12
○ 2026-04-29 21:16:48
○ 2026-08-01 01:00:56
○A2a06:98c1:3121::2026-03-29 → 2026-04-25 · 7 obs
○ 2026-03-19 01:09:22
● 2026-03-29 00:28:34
● 2026-04-22 06:45:56
○ 2026-04-23 21:51:32
● 2026-04-25 03:50:12
○ 2026-04-29 21:16:48
○ 2026-08-01 01:00:56
○A94.231.106.72015-08-08 → 2016-07-17 · 4 obs
● 2015-08-08 12:33:28
● 2016-07-17 08:05:18
○ 2017-06-02 11:30:06
○ 2026-08-01 01:00:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, b.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net...-
codingexplained.comsean.ns.cloudflare.com, rachel.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.231

NS records: sean.ns.cloudflare.com, rachel.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1125ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.24.71, 172.67.217.92
AAAA22606:4700:3037::ac43:d95c, 2606:4700:3037::6815:1847
NS2rachel.ns.cloudflare.com, sean.ns.cloudflare.com
MX1mx.simply.com (pri: 1)
TXT2google-site-verification=Hi_mTA4EqrhICTi, v=spf1 include:mailgun.org ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1rachel.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The parent domain of courses.codingexplained.com and www.codingexplained.com is codingexplained.com.

IP Addresses

codingexplained.com has four IP addresses: 104.21.24.71, 172.67.217.92, 2606:4700:3037::6815:1847 and 2606:4700:3037::ac43:d95c.

Among the host names that share IP numbers with codingexplained.com are www.askluca.com, autodiscover.koreatownladirectory.com, emeely-certinergy.com and two others.

Name Servers

The NS records for codingexplained.com delegate to rachel.ns.cloudflare.com and sean.ns.cloudflare.com.

codingexplained.com has the same name server delegation as a number of other domains, such as tovirelanqua.com, kalenderku.id, physiciansadvantage.net and two more.

codingexplained.com shares at least some of its name servers with other domains, including fintex-app.live, transferwise.co.nz, istanbulbilgilendirme.click and two others.

These name servers are frequently paired with the name servers luciana.ns.cloudflare.com, ivan.ns.cloudflare.com and johnny.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

rachel.ns.cloudflare.com maps to 108.162.192.215, 172.64.32.215, 173.245.58.215 and 3 additional IP addresses.

sean.ns.cloudflare.com maps to 108.162.193.231, 172.64.33.231, 173.245.59.231 and 3 additional IP addresses.

Mail Servers

codingexplained.com routes its mail through a single mail server, mx.simply.com.

codingexplained.com has the same mail server arrangement as a number of other domains, for example lmbc.dk, vitapus.dk, flugtskydningscenter-karup.dk and two more.

codingexplained.com shares at least some of its mail servers with other domains, such as danmag.dk.

mx.simply.com resolves to 94.231.106.20 and no other IP number.