courses-edu.ru - robtex.com

courses-edu.ru

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:9ad5🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::6815:65a🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.6.90Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.154.213🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSaaron.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c96🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaaron.ns.cloudflare.com
A2803:f800:50::6ca2:c396🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRaaron.ns.cloudflare.com
A2a06:98c1:50::ac40:2396🇺🇸 Cloudflare2a06:98c1:50::/45
PTRaaron.ns.cloudflare.com
A108.162.195.150🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaaron.ns.cloudflare.com
A162.159.44.150Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaaron.ns.cloudflare.com
A172.64.35.150🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaaron.ns.cloudflare.com
NSlove.ns.cloudflare.com
A2606:4700:50::a29f:2677🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlove.ns.cloudflare.com
A2803:f800:50::6ca2:c277🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlove.ns.cloudflare.com
A2a06:98c1:50::ac40:2277🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlove.ns.cloudflare.com
A108.162.194.119🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlove.ns.cloudflare.com
A162.159.38.119Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlove.ns.cloudflare.com
A172.64.34.119🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlove.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.6.90, 172.67.154.213
IPv6 hints2606:4700:3031::ac43:9ad5, 2606:4700:3032::6815:65a
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=218, name=cloudflare-ech.com
SOAaaron.ns.cloudflare.comdns@cloudflare.com serial=2399962778

ru

DNSSEC🔒 Signed (DS record present)
NSa.dns.ripn.net ⭐
NSb.dns.ripn.net
NSd.dns.ripn.net
NSe.dns.ripn.net
NSf.dns.ripn.net
SOAa.dns.ripn.nethostmaster@ripn.net serial=4068631

Same first word

courses-edu.ru

Similar names

edu-courses.ru

DNS History

15 records (6 active, 9 former)

20192020202120222023202420252026NSaaron.ns.cloudflare.comlove.ns.cloudflare.comns1.jino.runs2.jino.runs3.jino.runs4.jino.ruMXemx.mail.ruA104.21.6.90172.67.154.2132606:4700:3031::ac43:9ad52606:4700:3032::6815:65a2a06:98c1:3120::2a06:98c1:3121::81.177.141.7281.177.165.117
●NSaaron.ns.cloudflare.com2026-03-27 → 2026-04-24 · 3 obs
○ 2021-09-30 15:30:04
● 2026-03-27 22:43:20
● 2026-04-24 12:19:00
●NSlove.ns.cloudflare.com2026-03-27 → 2026-04-24 · 3 obs
○ 2021-09-30 15:30:04
● 2026-03-27 22:43:20
● 2026-04-24 12:19:00
○NSns1.jino.ru2018-05-13 → 2021-09-30 · 4 obs
● 2018-05-13 04:09:54
● 2021-09-30 15:30:04
○ 2026-03-27 22:43:20
○ 2026-04-24 12:19:00
○NSns2.jino.ru2018-05-13 → 2021-09-30 · 4 obs
● 2018-05-13 04:09:54
● 2021-09-30 15:30:04
○ 2026-03-27 22:43:20
○ 2026-04-24 12:19:00
○NSns3.jino.ru2018-05-13 → 2021-09-30 · 4 obs
● 2018-05-13 04:09:54
● 2021-09-30 15:30:04
○ 2026-03-27 22:43:20
○ 2026-04-24 12:19:00
○NSns4.jino.ru2018-05-13 → 2021-09-30 · 4 obs
● 2018-05-13 04:09:54
● 2021-09-30 15:30:04
○ 2026-03-27 22:43:20
○ 2026-04-24 12:19:00
○MXemx.mail.ru2018-05-13 → 2021-09-30 · 4 obs
● 2018-05-13 04:09:54
● 2021-09-30 15:30:04
○ 2026-03-27 22:43:20
○ 2026-04-24 12:19:00
●A104.21.6.902026-03-27 → 2026-04-24 · 3 obs
○ 2021-09-30 15:30:04
● 2026-03-27 22:43:20
● 2026-04-24 12:19:00
●A172.67.154.2132026-03-27 → 2026-04-24 · 3 obs
○ 2021-09-30 15:30:04
● 2026-03-27 22:43:20
● 2026-04-24 12:19:00
●A2606:4700:3031::ac43:9ad52026-03-27 → 2026-04-24 · 4 obs
○ 2021-09-30 15:30:04
● 2026-03-27 22:43:20
○ 2026-04-06 05:48:28
● 2026-04-24 12:19:00
●A2606:4700:3032::6815:65a2026-03-27 → 2026-04-24 · 4 obs
○ 2021-09-30 15:30:04
● 2026-03-27 22:43:20
○ 2026-04-06 05:48:28
● 2026-04-24 12:19:00
○A2a06:98c1:3120::2026-04-06 → 2026-04-06 · 3 obs
○ 2026-03-27 22:43:20
● 2026-04-06 05:48:28
○ 2026-04-24 12:19:00
○A2a06:98c1:3121::2026-04-06 → 2026-04-06 · 3 obs
○ 2026-03-27 22:43:20
● 2026-04-06 05:48:28
○ 2026-04-24 12:19:00
○A81.177.141.722018-05-13 → 2018-05-13 · 3 obs
● 2018-05-13 04:09:54
○ 2021-09-30 15:30:04
○ 2026-04-24 12:19:00
○A81.177.165.1172021-09-30 → 2021-09-30 · 4 obs
○ 2018-05-13 04:09:54
● 2021-09-30 15:30:04
○ 2026-03-27 22:43:20
○ 2026-04-24 12:19:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
rua.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...-
courses-edu.rulove.ns.cloudflare.com, aaron.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.119

NS records: love.ns.cloudflare.com, aaron.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for courses-edu.ru (unsigned zone)

⏱️ Timing

Total: 588ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.154.213, 104.21.6.90
AAAA22606:4700:3031::ac43:9ad5, 2606:4700:3032::6815:65a
NS2aaron.ns.cloudflare.com, love.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1aaron.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

Four IP numbers are pointed to by courses-edu.ru: 2606:4700:3031::ac43:9ad5, 2606:4700:3032::6815:65a, 104.21.6.90 and 172.67.154.213.

other host names including homegaosu.com, www.yese(0x706f726e).com, rentallane.com, globalwheels.com and 770672.xyz share IP numbers with courses-edu.ru.

Name Servers

courses-edu.ru is delegated to two name servers aaron.ns.cloudflare.com and love.ns.cloudflare.com.

courses-edu.ru shares the same name server setup as other domains, for instance littlepepppe.world, dkb4.ru, pythoner.work, collartrade.com and adm-nekouz.ru.

courses-edu.ru at least partially shares name servers with other domains, for instance croweparadis.com, aml-wallet.digital, imaginestudioslv.com, fyuafwmzr.com and portapottyrentalphiladelphia.com.

These name servers are commonly used with braden.ns.cloudflare.com, virginia.ns.cloudflare.com and micah.ns.cloudflare.com.

Host names with six IP numbers:

Host name aaron.ns.cloudflare.com points to: 2606:4700:58::a29f:2c96, 2803:f800:50::6ca2:c396, 2a06:98c1:50::ac40:2396, 108.162.195.150, 162.159.44.150 and 172.64.35.150.

Host name love.ns.cloudflare.com points to: 2606:4700:50::a29f:2677, 2803:f800:50::6ca2:c277, 2a06:98c1:50::ac40:2277, 108.162.194.119, 162.159.38.119 and 172.64.34.119.