coursessor.com - robtex.com

coursessor.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:84a0🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:d3a🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.13.58Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.132.160🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkipp.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cf0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkipp.ns.cloudflare.com
A2803:f800:50::6ca2:c3f0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkipp.ns.cloudflare.com
A2a06:98c1:50::ac40:23f0🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkipp.ns.cloudflare.com
A108.162.195.240🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkipp.ns.cloudflare.com
A162.159.44.240Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkipp.ns.cloudflare.com
A172.64.35.240🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkipp.ns.cloudflare.com
NSliberty.ns.cloudflare.com
A2606:4700:50::a29f:26f0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliberty.ns.cloudflare.com
A2803:f800:50::6ca2:c2f0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRliberty.ns.cloudflare.com
A2a06:98c1:50::ac40:22f0🇺🇸 Cloudflare2a06:98c1:50::/45
PTRliberty.ns.cloudflare.com
A108.162.194.240🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliberty.ns.cloudflare.com
A162.159.38.240Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliberty.ns.cloudflare.com
A172.64.34.240🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRliberty.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.13.58, 172.67.132.160
IPv6 hints2606:4700:3032::ac43:84a0, 2606:4700:3034::6815:d3a
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=190, name=cloudflare-ech.com
SOAkipp.ns.cloudflare.comdns@cloudflare.com serial=2409687174

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=1784530802

Same first word

coursessor.com

Similar names

rosercusso.com

DNS History

9 records (6 active, 3 former)

NSkipp.ns.cloudflare.comliberty.ns.cloudflare.comns1.dyna-ns.netns2.dyna-ns.netA104.21.13.58172.67.132.1602606:4700:3032::ac43:84a02606:4700:3034::6815:d3a185.53.179.146
●NSkipp.ns.cloudflare.com2026-07-20 → 2026-07-20 · 3 obs
○ 2026-07-16 00:18:24
● 2026-07-20 07:07:24
● 2026-07-20 07:07:26
●NSliberty.ns.cloudflare.com2026-07-20 → 2026-07-20 · 3 obs
○ 2026-07-16 00:18:24
● 2026-07-20 07:07:24
● 2026-07-20 07:07:26
○NSns1.dyna-ns.net2026-07-16 → 2026-07-16 · 3 obs
● 2026-07-16 00:18:24
○ 2026-07-20 07:07:24
○ 2026-07-20 07:07:26
○NSns2.dyna-ns.net2026-07-16 → 2026-07-16 · 3 obs
● 2026-07-16 00:18:24
○ 2026-07-20 07:07:24
○ 2026-07-20 07:07:26
●A104.21.13.582026-07-20 → 2026-07-20 · 3 obs
○ 2026-07-16 00:18:24
● 2026-07-20 07:07:24
● 2026-07-20 07:07:26
●A172.67.132.1602026-07-20 → 2026-07-20 · 3 obs
○ 2026-07-16 00:18:24
● 2026-07-20 07:07:24
● 2026-07-20 07:07:26
○A185.53.179.1462026-07-16 → 2026-07-16 · 3 obs
● 2026-07-16 00:18:24
○ 2026-07-20 07:07:24
○ 2026-07-20 07:07:26
●A2606:4700:3032::ac43:84a02026-07-20 → 2026-07-20 · 3 obs
○ 2026-07-16 00:18:24
● 2026-07-20 07:07:24
● 2026-07-20 07:07:26
●A2606:4700:3034::6815:d3a2026-07-20 → 2026-07-20 · 3 obs
○ 2026-07-16 00:18:24
● 2026-07-20 07:07:24
● 2026-07-20 07:07:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comi.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net...-
coursessor.comliberty.ns.cloudflare.com, kipp.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.240

NS records: liberty.ns.cloudflare.com, kipp.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursessor.com (unsigned zone)

⏱️ Timing

Total: 240ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.13.58, 172.67.132.160
AAAA22606:4700:3032::ac43:84a0, 2606:4700:3034::6815:d3a
NS2kipp.ns.cloudflare.com, liberty.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kipp.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

coursessor.com directs to four IP numbers, which are 104.21.13.58, 172.67.132.160, 2606:4700:3032::ac43:84a0 and 2606:4700:3034::6815:d3a.

Among the host names that share IP numbers with coursessor.com are gzclx.com, betprimehero.us, cgxc-adguard.pro and two others.

Name Servers

coursessor.com has two authoritative name servers — kipp.ns.cloudflare.com and liberty.ns.cloudflare.com.

coursessor.com has the same name server delegation as a number of other domains, such as w16-interac.com, linkwayhosting.com, knockinc.us and two more.

The name servers of coursessor.com overlap at least partially with those of other domains — among them walker.parts, rottmansales.com, kemead.com and two more.

These name servers commonly co-occur with the name servers eoin.ns.cloudflare.com, sydney.ns.cloudflare.com, chip.ns.cloudflare.com and paris.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

kipp.ns.cloudflare.com points to 108.162.195.240, 162.159.44.240, 172.64.35.240 and 3 other IP addresses.

liberty.ns.cloudflare.com points to 108.162.194.240, 162.159.38.240, 172.64.34.240 and 3 other IP addresses.