coursemate.ng - robtex.com

coursemate.ng

DNSSEC🔒 Signed (DS record present)
A2606:4700:3031::ac43:ba46🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:4899🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.72.153Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.186.70🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmarlowe.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26d4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarlowe.ns.cloudflare.com
A2803:f800:50::6ca2:c2d4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmarlowe.ns.cloudflare.com
A2a06:98c1:50::ac40:22d4🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmarlowe.ns.cloudflare.com
A108.162.194.212🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarlowe.ns.cloudflare.com
A162.159.38.212Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarlowe.ns.cloudflare.com
A172.64.34.212🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmarlowe.ns.cloudflare.com
NSneil.ns.cloudflare.com
A2606:4700:58::adf5:3bd3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRneil.ns.cloudflare.com
A2803:f800:50::6ca2:c1d3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRneil.ns.cloudflare.com
A2a06:98c1:50::ac40:21d3🇺🇸 Cloudflare2a06:98c1:50::/45
PTRneil.ns.cloudflare.com
A108.162.193.211🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRneil.ns.cloudflare.com
A172.64.33.211🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRneil.ns.cloudflare.com
A173.245.59.211🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRneil.ns.cloudflare.com
MX_dc-mx.1c9005e58260.coursemate.ng ⭐
A102.212.246.90🇰🇪 TRUEHOST102.212.246.0/24
PTRdas118.truehost.cloud
TXTbrevo-code:b5cbf5a21ca588682104c42c46bd060a
TXTv=spf1 +a +mx include:_spf.truehostcloud.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.72.153, 172.67.186.70
IPv6 hints2606:4700:3031::ac43:ba46, 2606:4700:3036::6815:4899
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=140, name=cloudflare-ech.com
SOAmarlowe.ns.cloudflare.comdns@cloudflare.com serial=2401591127

ng

DNSSEC🔒 Signed (DS record present)
NSnsa.nic.net.ng ⭐
NSns2.nic.net.ng
NSns3.nic.net.ng
NSns4.nic.net.ng
NSns5.nic.net.ng
TXTGeneration Time: 1776656213
SOAnsa.nic.net.ngnoc@nira.org.ng serial=2026157170

Same first word

coursemate.pl
coursemate.co
coursemate.co.uk
coursemate.com.au
coursemate.com
coursemate.ng

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metasource.com
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cuatroemes.com

DNS History

7 records (7 active, 0 former)

NSmarlowe.ns.cloudflare.comneil.ns.cloudflare.comMX_dc-mx.1c9005e58260.coursemate.ngA104.21.72.153172.67.186.702606:4700:3031::ac43:ba462606:4700:3036::6815:4899
●NSmarlowe.ns.cloudflare.com2026-04-16 → 2026-04-20 · 2 obs
● 2026-04-16 21:19:08
● 2026-04-20 04:23:08
●NSneil.ns.cloudflare.com2026-04-16 → 2026-04-20 · 2 obs
● 2026-04-16 21:19:08
● 2026-04-20 04:23:08
●MX_dc-mx.1c9005e58260.coursemate.ng2026-04-16 → 2026-04-20 · 2 obs
● 2026-04-16 21:19:08
● 2026-04-20 04:23:08
●A104.21.72.1532026-04-16 → 2026-04-20 · 2 obs
● 2026-04-16 21:19:08
● 2026-04-20 04:23:08
●A172.67.186.702026-04-16 → 2026-04-20 · 2 obs
● 2026-04-16 21:19:08
● 2026-04-20 04:23:08
●A2606:4700:3031::ac43:ba462026-04-16 → 2026-04-20 · 2 obs
● 2026-04-16 21:19:08
● 2026-04-20 04:23:08
●A2606:4700:3036::6815:48992026-04-16 → 2026-04-20 · 2 obs
● 2026-04-16 21:19:08
● 2026-04-20 04:23:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ngns2.nic.net.ng, ns3.nic.net.ng, ns4.nic.net.ng, ns5.nic.net.ng...-
coursemate.ngneil.ns.cloudflare.com, marlowe.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.211

NS records: neil.ns.cloudflare.com, marlowe.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 551ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.186.70, 104.21.72.153
AAAA22606:4700:3031::ac43:ba46, 2606:4700:3036::6815:4899
NS2marlowe.ns.cloudflare.com, neil.ns.cloudflare.com
MX1_dc-mx.1c9005e58260.coursemate.ng (pri:
TXT2brevo-code:b5cbf5a21ca588682104c42c46bd0, v=spf1 +a +mx include:_spf.truehostcloud
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1marlowe.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

coursemate.ng resolves to four IP numbers: 2606:4700:3031::ac43:ba46, 2606:4700:3036::6815:4899, 104.21.72.153 and 172.67.186.70.

Other host names such as c87b075768bd.c87b075768bd.c87b075768bd.c87b075768bd.c87b075768bd.c87b075768bd.c87b075768bd.c87b075768bd.c87b075768bd.dc-bd513499b299.coder.town, c87b075768bd.c87b075768bd.c87b075768bd.ns1.coder.town, bowriverenergy.com, hotelaegean.com and www.pokerpapa.com share IPs with coursemate.ng.

Name Servers

coursemate.ng is delegated to two name servers: marlowe.ns.cloudflare.com and neil.ns.cloudflare.com.

coursemate.ng uses the same name server setup as other domains, including cswing.com and luban.me.

coursemate.ng at least partially shares name servers with other domains, for instance pros.realtor, firsteelplate.com, career.pm, tygohye.com and sweetglobe-foodpromote.net.

these name servers are commonly used with fay.ns.cloudflare.com, ezra.ns.cloudflare.com, adi.ns.cloudflare.com and hunts.ns.cloudflare.com.

Host names with six IP numbers:

marlowe.ns.cloudflare.com points to 2606:4700:50::a29f:26d4, 2803:f800:50::6ca2:c2d4, 2a06:98c1:50::ac40:22d4, 108.162.194.212, 162.159.38.212 and 172.64.34.212.

neil.ns.cloudflare.com points to 2606:4700:58::adf5:3bd3, 2803:f800:50::6ca2:c1d3, 2a06:98c1:50::ac40:21d3, 108.162.193.211, 172.64.33.211 and 173.245.59.211.

Mail Servers

coursemate.ng is handled by a single mail server, _dc-mx.1c9005e58260.coursemate.ng.

_dc-mx.1c9005e58260.coursemate.ng points to a single IP: 102.212.246.90.