studyflow.ru - dns.ninja

`studyflow.ru`

DNSSEC	⚠️ Not signed
A	2001:678:cfc:2::1^{🇨🇦 eVPS2001:678:cfc::/48}
A	195.93.173.29^{🇷🇺 eVPS195.93.173.0/24}
NS	`lina.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3abb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0bb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20bb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lina.ns.cloudflare.com`
		A	108.162.192.187^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lina.ns.cloudflare.com`
		A	172.64.32.187^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lina.ns.cloudflare.com`
		A	173.245.58.187^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lina.ns.cloudflare.com`
NS	`oswald.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bda^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oswald.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1da^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`oswald.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21da^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`oswald.ns.cloudflare.com`
		A	108.162.193.218^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oswald.ns.cloudflare.com`
		A	172.64.33.218^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oswald.ns.cloudflare.com`
		A	173.245.59.218^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oswald.ns.cloudflare.com`
MX	`mx.yandex.net` ⭐
		A	2a02:6b8::311^{🇷🇺 TELETECH2a02:6b8::/32 Yandex network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
		A	77.88.21.249^{🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
TXT	`v=spf1 ip4:127.0.0.1 include:_spf.yandex.net ~all`
TXT	`yandex-verification: 255cd721365cb18a`
SOA	`lina.ns.cloudflare.com`dns@cloudflare.com serial=2409091287

`ru`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.ripn.net` ⭐
	NS	`b.dns.ripn.net`
	NS	`c.tld-servers.ru`
	NS	`d.dns.ripn.net`
	NS	`e.dns.ripn.net`
	NS	`f.dns.ripn.net`
	SOA	`a.dns.ripn.net`hostmaster@ripn.net serial=4069626

PTR for

29.173.93.195.in-addr.arpa

Same first word

studyflow.net

studyflow.ru

studyflow.tools

studyflow.nl

Similar names

flowstudy.com

DNS History

9 records (5 active, 4 former)

○NSdns1.yandex.net2015-08-11 → 2019-04-03 · 4 obs

● 2015-08-11 01:14:22
● 2019-04-03 16:10:40
○ 2026-02-28 08:01:38
○ 2026-07-15 19:02:54

○NSdns2.yandex.net2015-08-11 → 2019-04-03 · 4 obs

● 2015-08-11 01:14:22
● 2019-04-03 16:10:40
○ 2026-02-28 08:01:38
○ 2026-07-15 19:02:54

●NSlina.ns.cloudflare.com2026-02-28 → 2026-07-15 · 3 obs

○ 2019-04-03 16:10:40
● 2026-02-28 08:01:38
● 2026-07-15 19:02:54

●NSoswald.ns.cloudflare.com2026-02-28 → 2026-07-15 · 3 obs

○ 2019-04-03 16:10:40
● 2026-02-28 08:01:38
● 2026-07-15 19:02:54

●MXmx.yandex.net2015-08-11 → 2026-07-15 · 2 obs

● 2015-08-11 01:14:22
● 2026-07-15 19:02:54

○A188.127.239.732015-08-11 → 2016-06-23 · 4 obs

● 2015-08-11 01:14:22
● 2016-06-23 17:58:48
○ 2017-02-18 04:04:18
○ 2026-07-15 19:02:54

○A188.127.249.2112017-02-18 → 2019-04-03 · 5 obs

○ 2016-06-23 17:58:48
● 2017-02-18 04:04:18
● 2019-04-03 16:10:40
○ 2026-02-28 08:01:38
○ 2026-07-15 19:02:54

●A195.93.173.292026-02-28 → 2026-07-15 · 3 obs

○ 2019-04-03 16:10:40
● 2026-02-28 08:01:38
● 2026-07-15 19:02:54

●A2001:678:cfc:2::12026-03-27 → 2026-07-15 · 3 obs

○ 2026-02-28 08:01:38
● 2026-03-27 18:07:22
● 2026-07-15 19:02:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	e.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru...	-
studyflow.ru	lina.ns.cloudflare.com, oswald.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.218

NS records: lina.ns.cloudflare.com, oswald.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyflow.ru (unsigned zone)

⏱️ Timing

Total: 765ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`195.93.173.29`
AAAA	1	`2001:678:cfc:2::1`
NS	2	`lina.ns.cloudflare.com, oswald.ns.cloudflare.com`
MX	1	`mx.yandex.net (pri: 10)`
TXT	2	`v=spf1 ip4:127.0.0.1 include:_spf.yandex, yandex-verification: 255cd721365cb18a`
SOA	1	`lina.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

studyflow.ru has two IP addresses: 195.93.173.29 and 2001:678:cfc:2::1

Name Servers

studyflow.ru is served by two delegated name servers, lina.ns.cloudflare.com and oswald.ns.cloudflare.com.

studyflow.ru shares its NS records with other domains, for example agmmarket.com, jailmine.co.uk, sabahweb.com and two others.

The name servers of studyflow.ru overlap at least partially with those of other domains — among them playlingo.net, ivorvanhese.com, city-izyum.gov.ua and two more.

These name servers commonly appear in combination with the name servers simon.ns.cloudflare.com.

DNS names with 6 IP addresses:

lina.ns.cloudflare.com carries IP addresses 108.162.192.187, 172.64.32.187 and 173.245.58.187, with 3 other addresses beyond those.

oswald.ns.cloudflare.com carries IP addresses 108.162.193.218, 172.64.33.218 and 173.245.59.218, with 3 other addresses beyond those.

Mail Servers

The sole mail server for studyflow.ru is mx.yandex.net.

Among the domains sharing a mail server setup with studyflow.ru are petromar.ru, rdnet.ru, fotoart.su and two others.

The mail servers for studyflow.ru overlap at least partially with those of other domains, including visconti.ru and fnaf-games.net.

mx.yandex.net resolves to two IP numbers — 77.88.21.249 and 2a02:6b8::311.