compcourse.com - dns.ninja

compcourse.com

DNSSEC⚠️ Not signed
A149.28.45.48🇺🇸 AS-VULTR149.28.32.0/19 Vultr Assigned Prefix
PTRproxy.luadns.com
NSns1.namerock.co.uk ⭐
A185.142.218.1🇪🇸 ANVERINO-AS185.142.218.0/24 Anverino Software SRL
NSns2.namerock.co.uk
A185.142.218.2🇪🇸 ANVERINO-AS185.142.218.0/24 Anverino Software SRL
NSns3.namerock.co.uk ⚠️ Not in parent delegation
A185.142.218.3🇪🇸 ANVERINO-AS185.142.218.0/24 Anverino Software SRL
NSns4.namerock.co.uk ⚠️ Not in parent delegation
A185.142.218.4🇪🇸 ANVERINO-AS185.142.218.0/24 Anverino Software SRL
NSns5.namerock.co.uk ⚠️ Not in parent delegation
A185.142.218.4🇪🇸 ANVERINO-AS185.142.218.0/24 Anverino Software SRL
MXmx2.zoho.com ⭐
A204.141.33.44🇺🇸 ZohoAS204.141.32.0/23 PNAP-DAL CASE00103239
PTRmx2.zoho.com
PTRmx3.zoho.com
PTRmx6.zoho.com
PTRmx7.zoho.com
PTRmx8.zoho.com
PTRmx.zoho.com
PTRmx2.zohomail.com
PTRmx3.zohomail.com
PTRmx.zohomail.com
MXmx.zoho.com(20)
A204.141.43.44🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation
PTRmx2.zoho.com
PTRmx3.zoho.com
PTRmx6.zoho.com
PTRmx7.zoho.com
PTRmx8.zoho.com
PTRmx.zoho.com
PTRmx2.zohomail.com
PTRmx3.zohomail.com
PTRmx.zohomail.com
SOAns1.namerock.co.ukhostmaster@luadns.com serial=1671006926

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=1782797171

Same first word

compcourse.com

Similar names

compsource.org
compuscore.net
sourcecomp.ca
compuscore.com
sourcecomp.com
compsource.net
compsource.com

DNS History

16 records (8 active, 8 former)

20162017201820192020202120222023202420252026NSns1.namerock.co.ukns2.namerock.co.ukns3.namerock.co.ukns4.namerock.co.ukns5.namerock.co.ukns05.domaincontrol.comns06.domaincontrol.comMXmx.zoho.commx2.zoho.commailstore1.secureserver.netmx.zohomail.commx2.zohomail.comsmtp.secureserver.netA149.28.45.48104.236.44.118184.168.221.50
○NSns05.domaincontrol.com2015-05-28 → 2016-01-15 · 4 obs
● 2015-05-28 04:32:36
● 2016-01-15 18:26:08
○ 2016-04-10 02:23:46
○ 2026-06-30 05:41:52
○NSns06.domaincontrol.com2015-05-28 → 2016-01-15 · 4 obs
● 2015-05-28 04:32:36
● 2016-01-15 18:26:08
○ 2016-04-10 02:23:46
○ 2026-06-30 05:41:52
●NSns1.namerock.co.uk2016-04-10 → 2026-06-30 · 3 obs
○ 2016-01-15 18:26:08
● 2016-04-10 02:23:46
● 2026-06-30 05:41:52
●NSns2.namerock.co.uk2016-04-10 → 2026-06-30 · 3 obs
○ 2016-01-15 18:26:08
● 2016-04-10 02:23:46
● 2026-06-30 05:41:52
●NSns3.namerock.co.uk2016-04-10 → 2026-06-30 · 3 obs
○ 2016-01-15 18:26:08
● 2016-04-10 02:23:46
● 2026-06-30 05:41:52
●NSns4.namerock.co.uk2016-04-10 → 2026-06-30 · 3 obs
○ 2016-01-15 18:26:08
● 2016-04-10 02:23:46
● 2026-06-30 05:41:52
●NSns5.namerock.co.uk2016-04-10 → 2026-06-30 · 3 obs
○ 2016-01-15 18:26:08
● 2016-04-10 02:23:46
● 2026-06-30 05:41:52
○MXmailstore1.secureserver.net2015-05-28 → 2016-01-15 · 4 obs
● 2015-05-28 04:32:36
● 2016-01-15 18:26:08
○ 2016-04-10 02:23:46
○ 2026-06-30 05:41:52
●MXmx.zoho.com2017-10-19 → 2026-06-30 · 3 obs
○ 2016-11-19 11:23:32
● 2017-10-19 10:20:58
● 2026-06-30 05:41:52
○MXmx.zohomail.com2016-04-10 → 2016-11-19 · 5 obs
○ 2016-01-15 18:26:08
● 2016-04-10 02:23:46
● 2016-11-19 11:23:32
○ 2017-10-19 10:20:58
○ 2026-06-30 05:41:52
●MXmx2.zoho.com2017-10-19 → 2026-06-30 · 3 obs
○ 2016-11-19 11:23:32
● 2017-10-19 10:20:58
● 2026-06-30 05:41:52
○MXmx2.zohomail.com2016-04-10 → 2016-11-19 · 5 obs
○ 2016-01-15 18:26:08
● 2016-04-10 02:23:46
● 2016-11-19 11:23:32
○ 2017-10-19 10:20:58
○ 2026-06-30 05:41:52
○MXsmtp.secureserver.net2015-05-28 → 2016-01-15 · 4 obs
● 2015-05-28 04:32:36
● 2016-01-15 18:26:08
○ 2016-04-10 02:23:46
○ 2026-06-30 05:41:52
○A104.236.44.1182016-04-10 → 2017-10-19 · 5 obs
○ 2016-01-15 18:26:08
● 2016-04-10 02:23:46
● 2017-10-19 10:20:58
○ 2026-02-19 00:59:02
○ 2026-06-30 05:41:52
●A149.28.45.482026-02-19 → 2026-06-30 · 3 obs
○ 2017-10-19 10:20:58
● 2026-02-19 00:59:02
● 2026-06-30 05:41:52
○A184.168.221.502015-05-28 → 2016-01-15 · 4 obs
● 2015-05-28 04:32:36
● 2016-01-15 18:26:08
○ 2016-04-10 02:23:46
○ 2026-06-30 05:41:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net...-
compcourse.comns1.namerock.co.uk, ns2.namerock.co.uk-

✅ Authoritative Response

Server:185.142.218.2

NS records: ns1.namerock.co.uk, ns2.namerock.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for compcourse.com (unsigned zone)

⏱️ Timing

Total: 870ms | Queries: -

📄 Records

TypeCountSample Data
A1149.28.45.48
NS5ns1.namerock.co.uk, ns2.namerock.co.uk...
MX2mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)
SOA1ns1.namerock.co.uk hostmaster.luadns.com

Analysis

IP Addresses

compcourse.com has exactly one IP address — 149.28.45.48.

kategori.no, fritiden.no, crowdax.com plus two other host names have IP numbers in common with compcourse.com.

Name Servers

Five name servers handle delegation for compcourse.com: ns1.namerock.co.uk, ns2.namerock.co.uk, ns3.namerock.co.uk and two others.

compcourse.com partially shares its NS delegation with several other domains, including aicontests.com, bonecorp.com, plancap.com and two others.

These name servers regularly co-occur with the name servers ns4.namerock.co.uk, ns5.namerock.co.uk and ns1.luadns.net.

Host names resolving to a single IP address:

The hostname ns1.namerock.co.uk resolves to 185.142.218.1.

The hostname ns2.namerock.co.uk resolves to 185.142.218.2.

The hostname ns3.namerock.co.uk resolves to 185.142.218.3.

The hostname ns4.namerock.co.uk resolves to 185.142.218.4.

The hostname ns5.namerock.co.uk resolves to 185.142.218.4.

ns4.namerock.co.uk along with ns5.namerock.co.uk each resolve to 185.142.218.4 IP addresses.

Mail Servers

compcourse.com uses two mail servers, mx2.zoho.com and mx.zoho.com.

The mail server setup of compcourse.com matches that of other domains such as eztrack.ie, kasthar.net, giftdude.co.uk and two others.

At least some of the mail servers used by compcourse.com are shared with other domains: oemupdate.com, syncdcatalogs.com, usolve.co and two others among them.

These mail servers tend to be used in conjunction with the mail servers mx3.zoho.com.

mx2.zoho.com resolves to 204.141.33.44. mx.zoho.com resolves to 204.141.43.44. Both host names point to a single IP number.