knowledgecourse.com - dns.ninja

knowledgecourse.com

DNSSEC⚠️ Not signed
A13.248.169.48🇺🇸 Amazon13.248.160.0/20
PTRa904c694c05102f30.awsglobalaccelerator.com
A76.223.54.146🇺🇸 Amazon76.223.48.0/20
NSns1.afternic.com ⭐
A2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44
PTRns1.afternic.com
A97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23
PTRns1.afternic.com
NSns2.afternic.com
A2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44
PTRns2.afternic.com
A173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23
PTRns2.afternic.com
NSverification-d3jclucsp89ganyqbydeny.ns101.verify.hn ⚠️ Not in zone NS records
A13.248.169.48🇺🇸 Amazon13.248.160.0/20
PTRa904c694c05102f30.awsglobalaccelerator.com
A76.223.54.146🇺🇸 Amazon76.223.48.0/20
PTRa904c694c05102f30.awsglobalaccelerator.com
TXTv=spf1 -all
SOAns1.afternic.comdns@jomax.net 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=1785960404

Previously MX for

knowledgecourse.com

Same first word

knowledgecourse.com

Similar names

knowledgesource.com.au
knowledgesource.training
sourceknowledge.com

DNS History

24 records (5 active, 19 former)

20162017201820192020202120222023202420252026NSns1.afternic.comns2.afternic.comverification-d3jclucsp89ganyqbydeny.ns101.verify.hnns1.dns-redirect.comns2.dns-redirect.comns359.websitewelcome.comns360.websitewelcome.comnsg1.namebrightdns.comnsg2.namebrightdns.comMXknowledgecourse.comA13.248.169.4876.223.54.146192.185.121.239195.201.128.1792600:9000:a612:55d9:1b82:e963:5969:d2c72a01:4f8:1c1e:d6f1::12a01:4ff:1f0:dd50::12a01:4ff:f0:5f41::146.62.237.1385.161.230.875.161.47.865.78.156.5976.223.91.20CNAMEhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com
●NSns1.afternic.com2026-08-05 → 2026-08-05 · 3 obs
○ 2026-05-10 00:02:48
● 2026-08-05 20:29:34
● 2026-08-05 20:29:36
○NSns1.dns-redirect.com2026-05-09 → 2026-05-10 · 5 obs
○ 2019-01-29 08:21:00
● 2026-05-09 20:34:28
● 2026-05-10 00:02:48
○ 2026-08-05 20:29:34
○ 2026-08-05 20:29:36
●NSns2.afternic.com2026-08-05 → 2026-08-05 · 3 obs
○ 2026-05-10 00:02:48
● 2026-08-05 20:29:34
● 2026-08-05 20:29:36
○NSns2.dns-redirect.com2026-05-09 → 2026-05-10 · 5 obs
○ 2019-01-29 08:21:00
● 2026-05-09 20:34:28
● 2026-05-10 00:02:48
○ 2026-08-05 20:29:34
○ 2026-08-05 20:29:36
○NSns359.websitewelcome.com2015-05-16 → 2016-07-09 · 4 obs
● 2015-05-16 14:59:30
● 2016-07-09 10:15:42
○ 2019-01-29 08:21:00
○ 2026-08-05 20:29:36
○NSns360.websitewelcome.com2015-05-16 → 2016-07-09 · 4 obs
● 2015-05-16 14:59:30
● 2016-07-09 10:15:42
○ 2019-01-29 08:21:00
○ 2026-08-05 20:29:36
○NSnsg1.namebrightdns.com2019-01-29 → 2019-01-29 · 4 obs
○ 2016-07-09 10:15:42
● 2019-01-29 08:21:00
○ 2026-05-09 20:34:28
○ 2026-08-05 20:29:36
○NSnsg2.namebrightdns.com2019-01-29 → 2019-01-29 · 4 obs
○ 2016-07-09 10:15:42
● 2019-01-29 08:21:00
○ 2026-05-09 20:34:28
○ 2026-08-05 20:29:36
●NSverification-d3jclucsp89ganyqbydeny.ns101.verify.hn2026-08-05 → 2026-08-05 · 3 obs
○ 2026-05-10 00:02:48
● 2026-08-05 20:29:34
● 2026-08-05 20:29:36
○MXknowledgecourse.com2015-05-16 → 2016-07-09 · 4 obs
● 2015-05-16 14:59:30
● 2016-07-09 10:15:42
○ 2019-01-29 08:21:00
○ 2026-08-05 20:29:36
●A13.248.169.482026-08-05 → 2026-08-05 · 3 obs
○ 2026-05-10 00:02:48
● 2026-08-05 20:29:34
● 2026-08-05 20:29:36
○A192.185.121.2392015-05-16 → 2016-07-09 · 4 obs
● 2015-05-16 14:59:30
● 2016-07-09 10:15:42
○ 2019-01-29 08:21:00
○ 2026-08-05 20:29:36
○A195.201.128.1792026-05-09 → 2026-05-10 · 5 obs
○ 2019-01-29 08:21:00
● 2026-05-09 20:34:28
● 2026-05-10 00:02:48
○ 2026-08-05 20:29:34
○ 2026-08-05 20:29:36
○A2600:9000:a612:55d9:1b82:e963:5969:d2c72026-05-09 → 2026-05-10 · 5 obs
○ 2019-01-29 08:21:00
● 2026-05-09 20:34:28
● 2026-05-10 00:02:48
○ 2026-08-05 20:29:34
○ 2026-08-05 20:29:36
○A2a01:4f8:1c1e:d6f1::12026-05-09 → 2026-05-10 · 5 obs
○ 2019-01-29 08:21:00
● 2026-05-09 20:34:28
● 2026-05-10 00:02:48
○ 2026-08-05 20:29:34
○ 2026-08-05 20:29:36
○A2a01:4ff:1f0:dd50::12026-05-09 → 2026-05-10 · 5 obs
○ 2019-01-29 08:21:00
● 2026-05-09 20:34:28
● 2026-05-10 00:02:48
○ 2026-08-05 20:29:34
○ 2026-08-05 20:29:36
○A2a01:4ff:f0:5f41::12026-05-09 → 2026-05-10 · 5 obs
○ 2019-01-29 08:21:00
● 2026-05-09 20:34:28
● 2026-05-10 00:02:48
○ 2026-08-05 20:29:34
○ 2026-08-05 20:29:36
○A46.62.237.1382026-05-09 → 2026-05-10 · 5 obs
○ 2019-01-29 08:21:00
● 2026-05-09 20:34:28
● 2026-05-10 00:02:48
○ 2026-08-05 20:29:34
○ 2026-08-05 20:29:36
○A5.161.230.872026-05-09 → 2026-05-10 · 5 obs
○ 2019-01-29 08:21:00
● 2026-05-09 20:34:28
● 2026-05-10 00:02:48
○ 2026-08-05 20:29:34
○ 2026-08-05 20:29:36
○A5.161.47.862026-05-09 → 2026-05-10 · 5 obs
○ 2019-01-29 08:21:00
● 2026-05-09 20:34:28
● 2026-05-10 00:02:48
○ 2026-08-05 20:29:34
○ 2026-08-05 20:29:36
○A5.78.156.592026-05-09 → 2026-05-10 · 5 obs
○ 2019-01-29 08:21:00
● 2026-05-09 20:34:28
● 2026-05-10 00:02:48
○ 2026-08-05 20:29:34
○ 2026-08-05 20:29:36
●A76.223.54.1462026-08-05 → 2026-08-05 · 3 obs
○ 2026-05-10 00:02:48
● 2026-08-05 20:29:34
● 2026-08-05 20:29:36
○A76.223.91.202026-05-09 → 2026-05-10 · 5 obs
○ 2019-01-29 08:21:00
● 2026-05-09 20:34:28
● 2026-05-10 00:02:48
○ 2026-08-05 20:29:34
○ 2026-08-05 20:29:36
○CNAMEhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com2019-01-29 → 2019-01-29 · 3 obs
● 2019-01-29 08:21:00
○ 2026-05-09 20:34:28
○ 2026-08-05 20:29:36

🔍 DNS Trace

Analysis

IP Addresses

knowledgecourse.com has two IP addresses: 13.248.169.48 and 76.223.54.146

Additional host names — williamsen.com, www.cashjust.com, root.mecafi.com and two others — share IP numbers with knowledgecourse.com.

Name Servers

Three name servers are authoritative for knowledgecourse.com: ns1.afternic.com, ns2.afternic.com and verification-d3jclucsp89ganyqbydeny.ns101.verify.hn.

At least some of knowledgecourse.com's name servers are shared with other domains, for example orsello.com, schulthess.co, bos2-mail.domains.torchcar.com and two more.

These name servers are often deployed together with the name servers verification-m3erh32ujyoastvophjvuz.ns101.verify.hn, verification-vesbet7nkettdw2mc9cgox.ns101.verify.hn, verification-v9cj3toiryqtzxaegkhtxg.ns101.verify.hn and verification-jh56ag3qoy8fsktzvbvfht.ns101.verify.hn.

ns1.afternic.com resolves to 97.74.98.69 and 2603:5:2126::45. ns2.afternic.com resolves to 173.201.66.69 and 2603:5:2226::45. verification-d3jclucsp89ganyqbydeny.ns101.verify.hn resolves to 13.248.169.48 and 76.223.54.146. All three hostnames point to two IP numbers each.