`studsib.ru`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:a3e0^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:397d^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.57.125^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.163.224^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`lily.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a82^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lily.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c082^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lily.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2082^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lily.ns.cloudflare.com`
		A	108.162.192.130^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lily.ns.cloudflare.com`
		A	172.64.32.130^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lily.ns.cloudflare.com`
		A	173.245.58.130^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lily.ns.cloudflare.com`
NS	`seth.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`seth.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`seth.ns.cloudflare.com`
		A	108.162.193.142^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
		A	172.64.33.142^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
		A	173.245.59.142^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`seth.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽²⁸⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁹⁷⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.57.125, 172.67.163.224
		IPv6	2606:4700:3033::ac43:a3e0, 2606:4700:3035::6815:397d
SOA	`lily.ns.cloudflare.com`dns@cloudflare.com serial=2399844691

`ru`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.ripn.net` ⭐
	NS	`b.dns.ripn.net`
	NS	`d.dns.ripn.net`
	NS	`e.dns.ripn.net`
	NS	`f.dns.ripn.net`
	SOA	`a.dns.ripn.net`hostmaster@ripn.net serial=4068309

Same first word

studsib.ru

Similar names

subdist.com

dubists.de

bistuds.com

bitsusd.com

DNS History

22 records (9 active, 13 former)

○NSdns1.yandex.net2015-08-16 → 2017-03-21 · 4 obs

● 2015-08-16 15:03:54
● 2017-03-21 03:56:30
○ 2020-02-02 23:50:48
○ 2026-03-28 18:57:50

○NSdns2.yandex.net2015-08-16 → 2017-03-21 · 4 obs

● 2015-08-16 15:03:54
● 2017-03-21 03:56:30
○ 2020-02-02 23:50:48
○ 2026-03-28 18:57:50

○NSelle.ns.cloudflare.com2020-02-02 → 2020-02-02 · 4 obs

○ 2017-03-21 03:56:30
● 2020-02-02 23:50:48
○ 2026-03-27 06:34:50
○ 2026-03-28 18:57:50

●NSlily.ns.cloudflare.com2026-03-27 → 2026-03-28 · 3 obs

○ 2020-02-02 23:50:48
● 2026-03-27 06:34:50
● 2026-03-28 18:57:50

○NSmiles.ns.cloudflare.com2020-02-02 → 2020-02-02 · 4 obs

○ 2017-03-21 03:56:30
● 2020-02-02 23:50:48
○ 2026-03-27 06:34:50
○ 2026-03-28 18:57:50

●NSseth.ns.cloudflare.com2026-03-27 → 2026-03-28 · 3 obs

○ 2020-02-02 23:50:48
● 2026-03-27 06:34:50
● 2026-03-28 18:57:50

○MXmx.yandex.net2020-02-02 → 2020-02-02 · 4 obs

○ 2017-03-21 03:56:30
● 2020-02-02 23:50:48
○ 2026-03-27 06:34:50
○ 2026-03-28 18:57:50

○MXmx.yandex.ru2015-08-16 → 2017-03-21 · 4 obs

● 2015-08-16 15:03:54
● 2017-03-21 03:56:30
○ 2020-02-02 23:50:48
○ 2026-03-28 18:57:50

●MXroute1.mx.cloudflare.net2026-03-27 → 2026-03-28 · 3 obs

○ 2020-02-02 23:50:48
● 2026-03-27 06:34:50
● 2026-03-28 18:57:50

●MXroute2.mx.cloudflare.net2026-03-27 → 2026-03-28 · 3 obs

○ 2020-02-02 23:50:48
● 2026-03-27 06:34:50
● 2026-03-28 18:57:50

●MXroute3.mx.cloudflare.net2026-03-27 → 2026-03-28 · 3 obs

○ 2020-02-02 23:50:48
● 2026-03-27 06:34:50
● 2026-03-28 18:57:50

●A104.21.57.1252026-03-27 → 2026-03-28 · 3 obs

○ 2020-02-02 23:50:48
● 2026-03-27 06:34:50
● 2026-03-28 18:57:50

○A104.27.138.1872020-02-02 → 2020-02-02 · 4 obs

○ 2017-03-21 03:56:30
● 2020-02-02 23:50:48
○ 2026-03-27 06:34:50
○ 2026-03-28 18:57:50

○A104.27.139.1872020-02-02 → 2020-02-02 · 4 obs

○ 2017-03-21 03:56:30
● 2020-02-02 23:50:48
○ 2026-03-27 06:34:50
○ 2026-03-28 18:57:50

●A172.67.163.2242026-03-27 → 2026-03-28 · 3 obs

○ 2020-02-02 23:50:48
● 2026-03-27 06:34:50
● 2026-03-28 18:57:50

○A188.93.16.2362015-08-16 → 2017-03-21 · 4 obs

● 2015-08-16 15:03:54
● 2017-03-21 03:56:30
○ 2020-02-02 23:50:48
○ 2026-03-28 18:57:50

○A188.93.16.2372015-08-16 → 2017-03-21 · 4 obs

● 2015-08-16 15:03:54
● 2017-03-21 03:56:30
○ 2020-02-02 23:50:48
○ 2026-03-28 18:57:50

○A188.93.16.2382015-08-16 → 2017-03-21 · 4 obs

● 2015-08-16 15:03:54
● 2017-03-21 03:56:30
○ 2020-02-02 23:50:48
○ 2026-03-28 18:57:50

○A2606:4700:3030::681b:8abb2020-02-02 → 2020-02-02 · 4 obs

○ 2017-03-21 03:56:30
● 2020-02-02 23:50:48
○ 2026-03-27 06:34:50
○ 2026-03-28 18:57:50

●A2606:4700:3033::ac43:a3e02026-03-27 → 2026-03-28 · 3 obs

○ 2020-02-02 23:50:48
● 2026-03-27 06:34:50
● 2026-03-28 18:57:50

●A2606:4700:3035::6815:397d2026-03-27 → 2026-03-28 · 3 obs

○ 2020-02-02 23:50:48
● 2026-03-27 06:34:50
● 2026-03-28 18:57:50

○A2606:4700:3037::681b:8bbb2020-02-02 → 2020-02-02 · 4 obs

○ 2017-03-21 03:56:30
● 2020-02-02 23:50:48
○ 2026-03-27 06:34:50
○ 2026-03-28 18:57:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
studsib.ru	seth.ns.cloudflare.com, lily.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.142

NS records: seth.ns.cloudflare.com, lily.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studsib.ru (unsigned zone)

⏱️ Timing

Total: 921ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.57.125, 172.67.163.224`
AAAA	2	`2606:4700:3033::ac43:a3e0, 2606:4700:3035::6815:397d`
NS	2	`lily.ns.cloudflare.com, seth.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 28), route1.mx.cloudflare.net (pri: 5)...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`lily.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

studsib.ru resolves to four IP numbers: 2606:4700:3033::ac43:a3e0, 2606:4700:3035::6815:397d, 104.21.57.125 and 172.67.163.224.

other host names for instance intviewca.com, circularjourney.com, mail.cayaluna.com, gessoguarulhos.com.br and retire-smart.org share IP numbers with studsib.ru.

Name Servers

studsib.ru is delegated to two name servers: lily.ns.cloudflare.com and seth.ns.cloudflare.com.

studsib.ru shares the same name server setup as other domains, for example canthoonline.com, woodendflowerfarm.com, slickrflickr.com, aifab.com.au and x9fnzrtl4x8pynsf.com.

studsib.ru at least partially shares name servers with other domains, for instance wttw.com, abmetal.eu, elvisfrog-in-vegas.com, hicoria.cloud and learnanewjob.com.

These name servers are commonly used with ian.ns.cloudflare.com, zoe.ns.cloudflare.com and erin.ns.cloudflare.com.

Host names with six IP numbers:

lily.ns.cloudflare.com points to: 2606:4700:50::adf5:3a82, 2803:f800:50::6ca2:c082, 2a06:98c1:50::ac40:2082, 108.162.192.130, 172.64.32.130 and 173.245.58.130; seth.ns.cloudflare.com points to: 2606:4700:58::adf5:3b8e, 2803:f800:50::6ca2:c18e, 2a06:98c1:50::ac40:218e, 108.162.193.142, 172.64.33.142 and 173.245.59.142.

Mail Servers

studsib.ru is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

studsib.ru shares mail servers with other domains at least partially, including silverleaflc.com, pushtv.us, card-angel.com, overnode.fr and vocabdictionary.com.

Host names with six IP numbers: route1.mx.cloudflare.net points to: 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13; route2.mx.cloudflare.net points to: 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19; route3.mx.cloudflare.net points to: 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.

studsib.ru - robtex.com

studsib.ru

ru

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`studsib.ru`

`ru`