cours.su - dns.ninja

cours.su

DNSSEC⚠️ Not signed
A2a06:98c1:3120::🇺🇸 Cloudflare2a06:98c1:3120::/48 ✓ In HTTPS hints
A2a06:98c1:3121::🇺🇸 Cloudflare2a06:98c1:3121::/48 ✓ In HTTPS hints
A188.114.96.0🇳🇱 Cloudflare188.114.96.0/24 ✓ In HTTPS hints
A188.114.97.0🇳🇱 Cloudflare188.114.97.0/24 ✓ In HTTPS hints
NSkai.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bbc🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkai.ns.cloudflare.com
A2803:f800:50::6ca2:c1bc🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkai.ns.cloudflare.com
A2a06:98c1:50::ac40:21bc🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkai.ns.cloudflare.com
A108.162.193.188🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkai.ns.cloudflare.com
A172.64.33.188🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkai.ns.cloudflare.com
A173.245.59.188🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkai.ns.cloudflare.com
NSnoor.ns.cloudflare.com
A2606:4700:50::a29f:264a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoor.ns.cloudflare.com
A2803:f800:50::6ca2:c24a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnoor.ns.cloudflare.com
A2a06:98c1:50::ac40:224a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnoor.ns.cloudflare.com
A108.162.194.74🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoor.ns.cloudflare.com
A162.159.38.74Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoor.ns.cloudflare.com
A172.64.34.74🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnoor.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints188.114.96.0, 188.114.97.0
IPv6 hints2a06:98c1:3120::, 2a06:98c1:3121::
SOAkai.ns.cloudflare.comdns@cloudflare.com serial=2407095821

su

DNSSEC🔒 Signed (DS record present)
NSa.dns.ripn.net ⭐
NSb.dns.ripn.net
NSc.tld-servers.ru
NSd.dns.ripn.net
NSe.dns.ripn.net
NSf.dns.ripn.net
SOAa.dns.ripn.nethostmaster@ripn.net serial=650210103
⚠️ On DNS blocklist: spam-tlds

Previously MX for

cours.su

Same first word

cours.su
cours.es
cours.net
cours.nl
cours.fr
cours.ca
cours.co
cours.eu
cours.in
cours.at
cours.cc
cours.it
cours.express
cours.org
cours.bplaced.net
cours.cn
cours.education
cours.be
cours.ch
cours.com
cours.de
cours.yoga

Similar names

rucos.de
cruso.in
curos.be
csuro.com
rusoc.com
corsu.org.uk
rocus.ru
corsu.fr
rusco.com.tr
rusco.net
corsu.org
scoru.xyz
surco.com
surco.cl
curos.net
corus.xyz
rocus.net
curso.it
surco.net
usocr.com
rusco.ch
cruso.org
orcus.hr
orcus.es
corus.ca
rocus.lt
cosur.com
crous.fr
curso.com
surco.org
ourcs.org.uk
scour.co
scour.com
scour.ru
curos.de
rocus.ca
surco.ca
sucro.org
scour.us
curos.biz
orcus.net
corus.de
orcus.us
sucro.pl
surco.biz
curso.email
rusco.com
cruso.pl
scour.net
sucro.us
cruso.de
curos.us
corus.com.au
cusor.com
curos.info
orcus.at
scrou.com
rusco.ca
scuro.de
rucos.it
cruso.ch
cruso.be
crous.de
corsu.com.mx
orcus.de
surco.com.br
rusco.co.za
rusco.ru
scour.de
scour.tv
curso.uno
sruco.com
corus.org
usorc.com
corus.ie
orcus.ru
corus.es
cruso.com
sucor.cl
scour.ws
scuro.co.uk
curos.se
curso.org.br
rocus.store
corus.gr
cruso.es
orcus.com.br
curos.ca
scuro.net

DNS History

21 records (6 active, 15 former)

20162017201820192020202120222023202420252026NSkai.ns.cloudflare.comnoor.ns.cloudflare.comns1.fozzy.comns1.parkingcrew.netns1.pen.mysitehosted.comns2.fozzy.comns2.parkingcrew.netns2.pen.mysitehosted.comMXcours.sumail.h-email.netA188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::104.21.23.97104.247.81.99172.67.210.42198.58.93.572606:4700:3034::6815:17612606:4700:3037::ac43:d22a88.212.220.6
●NSkai.ns.cloudflare.com2026-08-03 → 2026-08-06 · 3 obs
○ 2026-03-07 15:36:54
● 2026-08-03 05:57:20
● 2026-08-06 00:25:52
●NSnoor.ns.cloudflare.com2026-08-03 → 2026-08-06 · 3 obs
○ 2026-03-07 15:36:54
● 2026-08-03 05:57:20
● 2026-08-06 00:25:52
○NSns1.fozzy.com2015-12-05 → 2016-11-30 · 5 obs
○ 2015-08-07 19:21:28
● 2015-12-05 10:39:44
● 2016-11-30 06:50:22
○ 2026-03-07 15:36:54
○ 2026-08-06 00:25:52
○NSns1.parkingcrew.net2026-03-07 → 2026-08-06 · 2 obs
○ 2026-03-07 15:36:54
○ 2026-08-06 00:25:52
○NSns1.pen.mysitehosted.com2015-08-07 → 2015-08-07 · 3 obs
● 2015-08-07 19:21:28
○ 2015-12-05 10:39:44
○ 2026-08-06 00:25:52
○NSns2.fozzy.com2015-12-05 → 2016-11-30 · 5 obs
○ 2015-08-07 19:21:28
● 2015-12-05 10:39:44
● 2016-11-30 06:50:22
○ 2026-03-07 15:36:54
○ 2026-08-06 00:25:52
○NSns2.parkingcrew.net2026-03-07 → 2026-08-06 · 2 obs
○ 2026-03-07 15:36:54
○ 2026-08-06 00:25:52
○NSns2.pen.mysitehosted.com2015-08-07 → 2015-08-07 · 3 obs
● 2015-08-07 19:21:28
○ 2015-12-05 10:39:44
○ 2026-08-06 00:25:52
○MXcours.su2015-08-07 → 2016-11-30 · 4 obs
● 2015-08-07 19:21:28
● 2016-11-30 06:50:22
○ 2026-03-07 15:36:54
○ 2026-08-06 00:25:52
○MXmail.h-email.net2026-03-07 → 2026-08-06 · 2 obs
○ 2026-03-07 15:36:54
○ 2026-08-06 00:25:52
○A104.21.23.972026-08-03 → 2026-08-03 · 4 obs
○ 2026-03-07 15:36:54
● 2026-08-03 05:57:20
○ 2026-08-06 00:24:04
○ 2026-08-06 00:25:52
○A104.247.81.992026-03-07 → 2026-08-06 · 2 obs
○ 2026-03-07 15:36:54
○ 2026-08-06 00:25:52
○A172.67.210.422026-08-03 → 2026-08-03 · 4 obs
○ 2026-03-07 15:36:54
● 2026-08-03 05:57:20
○ 2026-08-06 00:24:04
○ 2026-08-06 00:25:52
●A188.114.96.02026-08-06 → 2026-08-06 · 3 obs
○ 2026-08-03 05:57:20
● 2026-08-06 00:24:04
● 2026-08-06 00:25:52
●A188.114.97.02026-08-06 → 2026-08-06 · 3 obs
○ 2026-08-03 05:57:20
● 2026-08-06 00:24:04
● 2026-08-06 00:25:52
○A198.58.93.572015-08-07 → 2015-08-07 · 3 obs
● 2015-08-07 19:21:28
○ 2015-12-05 10:39:44
○ 2026-08-06 00:25:52
○A2606:4700:3034::6815:17612026-08-03 → 2026-08-03 · 4 obs
○ 2026-03-07 15:36:54
● 2026-08-03 05:57:20
○ 2026-08-06 00:24:04
○ 2026-08-06 00:25:52
○A2606:4700:3037::ac43:d22a2026-08-03 → 2026-08-03 · 4 obs
○ 2026-03-07 15:36:54
● 2026-08-03 05:57:20
○ 2026-08-06 00:24:04
○ 2026-08-06 00:25:52
●A2a06:98c1:3120::2026-08-06 → 2026-08-06 · 3 obs
○ 2026-08-03 05:57:20
● 2026-08-06 00:24:04
● 2026-08-06 00:25:52
●A2a06:98c1:3121::2026-08-06 → 2026-08-06 · 3 obs
○ 2026-08-03 05:57:20
● 2026-08-06 00:24:04
● 2026-08-06 00:25:52
○A88.212.220.62015-12-05 → 2016-11-30 · 5 obs
○ 2015-08-07 19:21:28
● 2015-12-05 10:39:44
● 2016-11-30 06:50:22
○ 2026-03-07 15:36:54
○ 2026-08-06 00:25:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
sua.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru, d.dns.ripn.net...12 records
cours.sunoor.ns.cloudflare.com, kai.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.74

NS records: noor.ns.cloudflare.com, kai.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cours.su (unsigned zone)

⏱️ Timing

Total: 658ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.23.97, 172.67.210.42
AAAA22606:4700:3037::ac43:d22a, 2606:4700:3034::6815:1761
NS2kai.ns.cloudflare.com, noor.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kai.ns.cloudflare.com dns.cloudflare.com

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (a.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net...)

Analysis

IP Addresses

cours.su directs to four IP numbers, which are 188.114.96.0, 188.114.97.0, 2a06:98c1:3120:: and 2a06:98c1:3121::.

Among the host names that share IP numbers with cours.su are www.fine-thomas.com, ajaydwivedi.com, hypnosisacademy.com and two others.

Name Servers

The NS records for cours.su delegate to kai.ns.cloudflare.com and noor.ns.cloudflare.com.

cours.su has the same name server delegation as a number of other domains, such as chessanalysis.co, 123-casino-uk.com, bomesresourcesconsulting.com and two more.

The name servers of cours.su overlap at least partially with those of other domains — among them imglan.com, smservicess.com, hongdeshandong.com and two more.

The name servers colin.ns.cloudflare.com, joan.ns.cloudflare.com and leah.ns.cloudflare.com are commonly seen alongside these name servers.

Host names resolving to 6 IP numbers:

kai.ns.cloudflare.com maps to 108.162.193.188, 172.64.33.188, 173.245.59.188 and 3 additional IP addresses.

noor.ns.cloudflare.com maps to 108.162.194.74, 162.159.38.74, 172.64.34.74 and 3 additional IP addresses.