i-courses.org - robtex.com

i-courses.org

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:c84🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:986c🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.12.132Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.152.108🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSlorna.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3abe🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlorna.ns.cloudflare.com
A2803:f800:50::6ca2:c0be🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlorna.ns.cloudflare.com
A2a06:98c1:50::ac40:20be🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlorna.ns.cloudflare.com
A108.162.192.190🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlorna.ns.cloudflare.com
A172.64.32.190🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlorna.ns.cloudflare.com
A173.245.58.190🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlorna.ns.cloudflare.com
NSnero.ns.cloudflare.com
A2606:4700:58::a29f:2c1c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnero.ns.cloudflare.com
A2803:f800:50::6ca2:c31c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnero.ns.cloudflare.com
A2a06:98c1:50::ac40:231c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnero.ns.cloudflare.com
A108.162.195.28🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnero.ns.cloudflare.com
A162.159.44.28Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnero.ns.cloudflare.com
A172.64.35.28🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnero.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.12.132, 172.67.152.108
IPv62606:4700:3033::6815:c84, 2606:4700:3036::ac43:986c
SOAlorna.ns.cloudflare.comdns@cloudflare.com serial=2396906799

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1774961614
WOT: SAFE (61/100)

Same first word

i-courses.co
i-courses.org

Similar names

os-cruise.net
euro-ciss.eu

DNS History

10 records (6 active, 4 former)

20162017201820192020202120222023202420252026NSlorna.ns.cloudflare.comnero.ns.cloudflare.comns1.mediatemple.netns2.mediatemple.netMXmail.i-courses.orgA104.21.12.132172.67.152.1082606:4700:3033::6815:c842606:4700:3036::ac43:986c205.186.129.57
●NSlorna.ns.cloudflare.com2026-02-15 → 2026-03-31 · 3 obs
○ 2017-08-09 20:25:34
● 2026-02-15 17:48:30
● 2026-03-31 13:20:46
●NSnero.ns.cloudflare.com2026-02-15 → 2026-03-31 · 3 obs
○ 2017-08-09 20:25:34
● 2026-02-15 17:48:30
● 2026-03-31 13:20:46
○NSns1.mediatemple.net2015-08-20 → 2017-08-09 · 4 obs
● 2015-08-20 08:17:38
● 2017-08-09 20:25:34
○ 2026-02-15 17:48:30
○ 2026-03-31 13:20:46
○NSns2.mediatemple.net2015-08-20 → 2017-08-09 · 4 obs
● 2015-08-20 08:17:38
● 2017-08-09 20:25:34
○ 2026-02-15 17:48:30
○ 2026-03-31 13:20:46
○MXmail.i-courses.org2015-08-20 → 2026-02-15 · 4 obs
● 2015-08-20 08:17:38
● 2026-02-15 17:48:30
○ 2026-03-19 07:07:08
○ 2026-03-31 13:20:46
●A104.21.12.1322026-02-15 → 2026-03-31 · 3 obs
○ 2017-08-09 20:25:34
● 2026-02-15 17:48:30
● 2026-03-31 13:20:46
●A172.67.152.1082026-02-15 → 2026-03-31 · 3 obs
○ 2017-08-09 20:25:34
● 2026-02-15 17:48:30
● 2026-03-31 13:20:46
○A205.186.129.572015-08-20 → 2017-08-09 · 4 obs
● 2015-08-20 08:17:38
● 2017-08-09 20:25:34
○ 2026-02-15 17:48:30
○ 2026-03-31 13:20:46
●A2606:4700:3033::6815:c842026-02-15 → 2026-03-31 · 3 obs
○ 2017-08-09 20:25:34
● 2026-02-15 17:48:30
● 2026-03-31 13:20:46
●A2606:4700:3036::ac43:986c2026-02-15 → 2026-03-31 · 3 obs
○ 2017-08-09 20:25:34
● 2026-02-15 17:48:30
● 2026-03-31 13:20:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgd0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org-
i-courses.orglorna.ns.cloudflare.com, nero.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.190

NS records: lorna.ns.cloudflare.com, nero.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for i-courses.org (unsigned zone)

⏱️ Timing

Total: 366ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.152.108, 104.21.12.132
AAAA22606:4700:3033::6815:c84, 2606:4700:3036::ac43:986c
NS2lorna.ns.cloudflare.com, nero.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1lorna.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

i-courses.org resolves to four IPs: 2606:4700:3033::6815:c84, 2606:4700:3036::ac43:986c, 104.21.12.132 and 172.67.152.108.

Other host names such as parsus-it.io, 50423.cn, www.rangenet.com, top-steroids-online.com and pitu.me share IP numbers with i-courses.org.

Name Servers

i-courses.org is delegated to two name servers: lorna.ns.cloudflare.com and nero.ns.cloudflare.com.

i-courses.org uses the same name server setup as other domains, including egtofte.dk, cedv.es, poolrangersinc.com, ekoing.ru and hidupsegar.life.

At least part of the name servers for i-courses.org are shared with other domains, for instance ultra-avalon.com, mytradetraining.com, ehayaxe.top, rcm1450.com and eppersonvet.com.

These name servers are commonly used alongside keyla.ns.cloudflare.com and raquel.ns.cloudflare.com.

Host names with six IP numbers:

lorna.ns.cloudflare.com points to: 2606:4700:50::adf5:3abe, 2803:f800:50::6ca2:c0be, 2a06:98c1:50::ac40:20be, 108.162.192.190, 172.64.32.190 and 173.245.58.190.

nero.ns.cloudflare.com points to: 2606:4700:58::a29f:2c1c, 2803:f800:50::6ca2:c31c, 2a06:98c1:50::ac40:231c, 108.162.195.28, 162.159.44.28 and 172.64.35.28.