coursekey.com - robtex.com

coursekey.com

DNSSEC⚠️ Not signed
A199.16.172.90🇺🇸 Automattic
A199.16.173.122🇺🇸 Automattic
NSns-1268.awsdns-30.org ⭐
A2600:9000:5304:f400::1🇺🇸 Amazon
PTRns-1268.awsdns-30.org
A205.251.196.244🇺🇸 Amazon
PTRns-1268.awsdns-30.org
NSns-1563.awsdns-03.co.uk
A2600:9000:5306:1b00::1🇺🇸 Amazon
PTRns-1563.awsdns-03.co.uk
A205.251.198.27🇺🇸 Amazon
PTRns-1563.awsdns-03.co.uk
NSns-251.awsdns-31.com
A2600:9000:5300:fb00::1🇺🇸 Amazon
PTRns-251.awsdns-31.com
A205.251.192.251🇺🇸 Amazon
PTRns-251.awsdns-31.com
NSns-599.awsdns-10.net
A2600:9000:5302:5700::1🇺🇸 Amazon
PTRns-599.awsdns-10.net
A205.251.194.87🇺🇸 Amazon
PTRns-599.awsdns-10.net
MXcoursekey-com.mail.protection.outlook.com ⭐
TXTMS=ms10683167
TXTca3-47dcefb5d77546ecb9cf27ca59503bb9
TXTdetectify-verification=c992a5e7963862a7c1b575e1bada26e1
TXTgoogle-site-verification=8Tur37VuMFLBkpyAdmq0mcFRRswrKPHPcCc4GhlfNBE
TXTgoogle-site-verification=Eu7D8v9zu0qbapARruR1eUHONIFL5h7JWdZNWuDTXYo
TXTgoogle-site-verification=Y7BFbECgLzEz-o9_fny6JzluoGEsADFDqLyUZegcEa0
TXTgoogle-site-verification=_bCf0UwTbB7aN1Pc06kSj4fScStc6ni2izrBFSvXQg4
TXTopenai-domain-verification=dv-71vz1icE146oAr6yceiuyWsI
TXTv=spf1 mx include:spf.autopilothq.com include:sendgrid.net include:mailgun.or...
SOAns-1268.awsdns-30.orgawsdns-hostmaster@amazon.com serial=1

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

Up

www.coursekey.com

Same first word

coursekey.com

Similar names

keysource.com
keysource.fr
keysource.eu
keysource.org
keysource.us
keycourse.com
keycourse.net
sourcekey.org
sourcekey.com
sourcekey.in
keysource.net
keysource.co.uk
keysource.biz
keysource.be
keysource.pro

DNS History

18 records (7 active, 11 former)

20162017201820192020202120222023202420252026NSns-1268.awsdns-30.orgns-1563.awsdns-03.co.ukns-251.awsdns-31.comns-599.awsdns-10.netandy.ns.cloudflare.commary.ns.cloudflare.comns15.domaincontrol.comns16.domaincontrol.comMXcoursekey-com.mail.protection.outlook.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA199.16.172.90199.16.173.12246.105.225.10072.32.147.165
○NSandy.ns.cloudflare.com2016-05-04 → 2018-07-08 · 5 obs
○ 2016-02-06 06:53:46
● 2016-05-04 17:30:34
● 2018-07-08 19:01:26
○ 2026-02-20 03:41:58
○ 2026-02-23 20:55:00
○NSmary.ns.cloudflare.com2016-05-04 → 2018-07-08 · 5 obs
○ 2016-02-06 06:53:46
● 2016-05-04 17:30:34
● 2018-07-08 19:01:26
○ 2026-02-20 03:41:58
○ 2026-02-23 20:55:00
●NSns-1268.awsdns-30.org2026-02-20 → 2026-02-23 · 3 obs
○ 2018-07-08 19:01:26
● 2026-02-20 03:41:58
● 2026-02-23 20:55:00
●NSns-1563.awsdns-03.co.uk2026-02-20 → 2026-02-23 · 3 obs
○ 2018-07-08 19:01:26
● 2026-02-20 03:41:58
● 2026-02-23 20:55:00
●NSns-251.awsdns-31.com2026-02-20 → 2026-02-23 · 3 obs
○ 2018-07-08 19:01:26
● 2026-02-20 03:41:58
● 2026-02-23 20:55:00
●NSns-599.awsdns-10.net2026-02-20 → 2026-02-23 · 3 obs
○ 2018-07-08 19:01:26
● 2026-02-20 03:41:58
● 2026-02-23 20:55:00
○NSns15.domaincontrol.com2015-06-23 → 2016-02-06 · 4 obs
● 2015-06-23 17:49:48
● 2016-02-06 06:53:46
○ 2016-05-04 17:30:34
○ 2026-02-23 20:55:00
○NSns16.domaincontrol.com2015-06-23 → 2016-02-06 · 4 obs
● 2015-06-23 17:49:48
● 2016-02-06 06:53:46
○ 2016-05-04 17:30:34
○ 2026-02-23 20:55:00
○MXalt1.aspmx.l.google.com2015-06-23 → 2018-07-08 · 4 obs
● 2015-06-23 17:49:48
● 2018-07-08 19:01:26
○ 2026-02-20 03:41:58
○ 2026-02-23 20:55:00
○MXalt2.aspmx.l.google.com2015-06-23 → 2018-07-08 · 4 obs
● 2015-06-23 17:49:48
● 2018-07-08 19:01:26
○ 2026-02-20 03:41:58
○ 2026-02-23 20:55:00
○MXaspmx.l.google.com2015-06-23 → 2018-07-08 · 4 obs
● 2015-06-23 17:49:48
● 2018-07-08 19:01:26
○ 2026-02-20 03:41:58
○ 2026-02-23 20:55:00
○MXaspmx2.googlemail.com2015-06-23 → 2018-07-08 · 4 obs
● 2015-06-23 17:49:48
● 2018-07-08 19:01:26
○ 2026-02-20 03:41:58
○ 2026-02-23 20:55:00
○MXaspmx3.googlemail.com2015-06-23 → 2018-07-08 · 4 obs
● 2015-06-23 17:49:48
● 2018-07-08 19:01:26
○ 2026-02-20 03:41:58
○ 2026-02-23 20:55:00
●MXcoursekey-com.mail.protection.outlook.com2026-02-20 → 2026-02-23 · 3 obs
○ 2018-07-08 19:01:26
● 2026-02-20 03:41:58
● 2026-02-23 20:55:00
●A199.16.172.902026-02-20 → 2026-02-23 · 3 obs
○ 2018-07-08 19:01:26
● 2026-02-20 03:41:58
● 2026-02-23 20:55:00
●A199.16.173.1222026-02-20 → 2026-02-23 · 3 obs
○ 2018-07-08 19:01:26
● 2026-02-20 03:41:58
● 2026-02-23 20:55:00
○A46.105.225.1002016-05-04 → 2018-07-08 · 5 obs
○ 2016-02-06 06:53:46
● 2016-05-04 17:30:34
● 2018-07-08 19:01:26
○ 2026-02-20 03:41:58
○ 2026-02-23 20:55:00
○A72.32.147.1652015-06-23 → 2016-02-06 · 4 obs
● 2015-06-23 17:49:48
● 2016-02-06 06:53:46
○ 2016-05-04 17:30:34
○ 2026-02-23 20:55:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
coursekey.comns-251.awsdns-31.com, ns-599.awsdns-10.net, ns-1563.awsdns-03.co.uk, ns-1268.awsdns-30.org1 record

✅ Authoritative Response

Server: 205.251.192.251

NS records: ns-251.awsdns-31.com, ns-599.awsdns-10.net, ns-1563.awsdns-03.co.uk, ns-1268.awsdns-30.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursekey.com (unsigned zone)

⏱️ Timing

Total: 622ms | Queries: -

📄 Records

TypeCountSample Data
A2199.16.173.122, 199.16.172.90
NS4ns-1268.awsdns-30.org, ns-1563.awsdns-03.co.uk...
MX1coursekey-com.mail.protection.outlook.co
TXT9MS=ms10683167, ca3-47dcefb5d77546ecb9cf27ca59503bb9...
SOA1ns-1268.awsdns-30.org awsdns-hostmaster.

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-251.awsdns-31.com)

AI analysis

The parent of www.coursekey.com is coursekey.com.

coursekey.com points to two IP numbers: 199.16.172.90 and 199.16.173.122.

Other host names, for instance nasda.org, workandweardirect.co.uk, fussfreeflavours.com, brix-systems.com and thecoursekey.com share IP numbers with coursekey.com.

coursekey.com is delegated to four name servers: ns-251.awsdns-31.com, ns-599.awsdns-10.net, ns-1268.awsdns-30.org and ns-1563.awsdns-03.co.uk.

coursekey.com shares name servers with other domains at least partially, for instance dp.fammit.com, gitforums.org, roomrs.com, laiblwolf.com and socialbusiness.awsapps.com.

These name servers are commonly used with ns-463.awsdns-57.com, ns-851.awsdns-42.net, ns-1183.awsdns-19.org, ns-120.awsdns-15.com, ns-1528.awsdns-63.org and ns-1692.awsdns-19.co.uk.

Host names with two IP numbers:

ns-251.awsdns-31.com resolves to 2600:9000:5300:fb00::1 and 205.251.192.251.

ns-599.awsdns-10.net resolves to 2600:9000:5302:5700::1 and 205.251.194.87.

ns-1268.awsdns-30.org resolves to 2600:9000:5304:f400::1 and 205.251.196.244.

ns-1563.awsdns-03.co.uk resolves to 2600:9000:5306:1b00::1 and 205.251.198.27.

The mail server for coursekey.com is coursekey-com.mail.protection.outlook.com.