datasciencecourse.ru - dns.ninja

datasciencecourse.ru

DNSSEC⚠️ Not signed
NSdilbert.ns.cloudflare.com ⚠️ Not in zone NS records
A2606:4700:58::adf5:3b9b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdilbert.ns.cloudflare.com
A2803:f800:50::6ca2:c19b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdilbert.ns.cloudflare.com
A2a06:98c1:50::ac40:219b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdilbert.ns.cloudflare.com
A108.162.193.155🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdilbert.ns.cloudflare.com
A172.64.33.155🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdilbert.ns.cloudflare.com
A173.245.59.155🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdilbert.ns.cloudflare.com
NSjosephine.ns.cloudflare.com ⚠️ Not in zone NS records
A2606:4700:50::a29f:2640🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjosephine.ns.cloudflare.com
A2803:f800:50::6ca2:c240🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjosephine.ns.cloudflare.com
A2a06:98c1:50::ac40:2240🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjosephine.ns.cloudflare.com
A108.162.194.64🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjosephine.ns.cloudflare.com
A162.159.38.64Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjosephine.ns.cloudflare.com
A172.64.34.64🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjosephine.ns.cloudflare.com

ru

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=4069867

Subdomains

www.datasciencecourse.ru

Same first word

datasciencecourse.com
datasciencecourse.org
datasciencecourse.ru

Similar names

sourcedatascience.com

DNS History

10 records (2 active, 8 former)

NSdilbert.ns.cloudflare.comjosephine.ns.cloudflare.comA104.21.36.214172.67.199.193188.114.96.0188.114.97.02606:4700:3034::6815:24d62606:4700:3037::ac43:c7c12a06:98c1:3120::2a06:98c1:3121::
●NSdilbert.ns.cloudflare.com2026-06-15 → 2026-08-04 · 2 obs
● 2026-06-15 05:51:00
● 2026-08-04 17:48:56
●NSjosephine.ns.cloudflare.com2026-06-15 → 2026-08-04 · 2 obs
● 2026-06-15 05:51:00
● 2026-08-04 17:48:56
○A104.21.36.2142026-06-15 → 2026-06-16 · 4 obs
● 2026-06-15 05:51:00
● 2026-06-16 00:41:22
○ 2026-07-09 00:49:44
○ 2026-08-04 17:48:56
○A172.67.199.1932026-06-15 → 2026-06-16 · 4 obs
● 2026-06-15 05:51:00
● 2026-06-16 00:41:22
○ 2026-07-09 00:49:44
○ 2026-08-04 17:48:56
○A188.114.96.02026-06-15 → 2026-08-04 · 2 obs
○ 2026-06-15 05:51:00
○ 2026-08-04 17:48:56
○A188.114.97.02026-06-15 → 2026-08-04 · 2 obs
○ 2026-06-15 05:51:00
○ 2026-08-04 17:48:56
○A2606:4700:3034::6815:24d62026-06-15 → 2026-06-16 · 4 obs
● 2026-06-15 05:51:00
● 2026-06-16 00:41:22
○ 2026-07-09 00:49:44
○ 2026-08-04 17:48:56
○A2606:4700:3037::ac43:c7c12026-06-15 → 2026-06-16 · 4 obs
● 2026-06-15 05:51:00
● 2026-06-16 00:41:22
○ 2026-07-09 00:49:44
○ 2026-08-04 17:48:56
○A2a06:98c1:3120::2026-06-15 → 2026-08-04 · 2 obs
○ 2026-06-15 05:51:00
○ 2026-08-04 17:48:56
○A2a06:98c1:3121::2026-06-15 → 2026-08-04 · 2 obs
○ 2026-06-15 05:51:00
○ 2026-08-04 17:48:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
rua.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru, d.dns.ripn.net...-
datasciencecourse.rudilbert.ns.cloudflare.com, josephine.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.64

NS records: dilbert.ns.cloudflare.com, josephine.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for datasciencecourse.ru (unsigned zone)

⏱️ Timing

Total: 917ms | Queries: -

📄 Records

TypeCountSample Data

Analysis

Hierarchy

datasciencecourse.ru is the parent zone for www.datasciencecourse.ru.

Name Servers

datasciencecourse.ru is delegated to two name servers: dilbert.ns.cloudflare.com and josephine.ns.cloudflare.com.

datasciencecourse.ru shares its NS records with other domains, for example archevani.ge, everyiowan.com, azm.uz.ua and two others.

datasciencecourse.ru partially shares its NS delegation with several other domains, including aaa-law.at, izmir-haliyikama.com, yunfan.info and two others.

These name servers are regularly seen alongside ned.ns.cloudflare.com and dion.ns.cloudflare.com as name servers.

DNS names with 6 IP addresses:

dilbert.ns.cloudflare.com resolves to 108.162.193.155, 172.64.33.155, 173.245.59.155 and 3 other IP addresses.

josephine.ns.cloudflare.com resolves to 108.162.194.64, 162.159.38.64, 172.64.34.64 and 3 other IP addresses.