cpptutor.ru - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`cpptutor.ru`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:8b6e^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:878^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.8.120^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.139.110^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`scott.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3be6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`scott.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`scott.ns.cloudflare.com`
		A	108.162.193.230^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
		A	172.64.33.230^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
		A	173.245.59.230^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`scott.ns.cloudflare.com`
NS	`sue.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a91^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sue.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c091^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sue.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2091^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sue.ns.cloudflare.com`
		A	108.162.192.145^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sue.ns.cloudflare.com`
		A	172.64.32.145^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sue.ns.cloudflare.com`
		A	173.245.58.145^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sue.ns.cloudflare.com`
TXT	`yandex-verification: 3596a552ef151cac`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.8.120, 172.67.139.110
		IPv6 hints	2606:4700:3033::ac43:8b6e, 2606:4700:3037::6815:878
SOA	`scott.ns.cloudflare.com`dns@cloudflare.com serial=2410851438

`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=4070072

Same first word

cpptutor.ru

Previous names

cpppn.ru

cpppprumelxi.ru

cpppro.ru

cppr.ru

cppram.ru

cpprd.ru

cpprik.ru

cpprint.ru

cpprk-vrn.ru

cpprkam.ru

cpprkkmv.ru

cpprl.ru

cpprm.ru

cpprussia.ru

cpps.ru

cppsam.ru

cppsources.ru

cppst.ru

cppteka.ru

Next names

cppu.ru

cppug.ru

cppv.ru

cppv52.ru

cppx.ru

cppyurist.ru

cppz.ru

cppzone.ru

cpq.ru

cpr-expert.ru

cpr-forma.ru

cpr-info.ru

cpr-online.ru

cpr-partner.ru

cpr-print.ru

cpr-pro.ru

cpr-rostov.ru

cpr-vdpo.ru

cpr.ru

DNS History

15 records (6 active, 9 former)

○NSdns1.yandex.net2018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 19:23:46
○ 2026-03-07 20:38:18
○ 2026-08-21 18:43:00

○NSdns2.yandex.net2018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 19:23:46
○ 2026-03-07 20:38:18
○ 2026-08-21 18:43:00

●NSscott.ns.cloudflare.com2026-03-07 → 2026-08-21 · 3 obs

○ 2018-05-07 19:23:46
● 2026-03-07 20:38:18
● 2026-08-21 18:43:00

●NSsue.ns.cloudflare.com2026-03-07 → 2026-08-21 · 3 obs

○ 2018-05-07 19:23:46
● 2026-03-07 20:38:18
● 2026-08-21 18:43:00

○MXmx.yandex.net2018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 19:23:46
○ 2026-03-07 20:38:18
○ 2026-08-21 18:43:00

●A104.21.8.1202026-03-07 → 2026-08-21 · 19 obs

○ 2018-05-07 19:23:46
● 2026-03-07 20:38:18
● 2026-03-14 11:41:44
○ 2026-03-14 17:01:54
● 2026-03-21 08:38:28
● 2026-05-29 15:17:18
○ 2026-06-03 16:52:22
● 2026-06-09 14:59:50
○ 2026-06-29 17:31:32
● 2026-07-07 10:25:16
○ 2026-07-11 13:08:18
● 2026-07-25 10:43:02
○ 2026-07-30 17:21:58
● 2026-08-02 07:09:50
○ 2026-08-13 05:37:24
● 2026-08-18 12:12:26
○ 2026-08-21 15:55:58
● 2026-08-21 17:47:00
● 2026-08-21 18:43:00

●A172.67.139.1102026-03-07 → 2026-08-21 · 19 obs

○A176.215.253.2462018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 19:23:46
○ 2026-03-07 20:38:18
○ 2026-08-21 18:43:00

○A188.114.96.02026-03-14 → 2026-08-21 · 17 obs

○ 2026-03-14 11:41:44
● 2026-03-14 17:01:54
○ 2026-03-21 08:38:28
○ 2026-05-29 15:17:18
● 2026-06-03 16:52:22
○ 2026-06-09 14:59:50
● 2026-06-29 17:31:32
○ 2026-07-07 10:25:16
● 2026-07-11 13:08:18
○ 2026-07-25 10:43:02
● 2026-07-30 17:21:58
○ 2026-08-02 07:09:50
● 2026-08-13 05:37:24
○ 2026-08-18 12:12:26
● 2026-08-21 15:55:58
○ 2026-08-21 17:47:00
○ 2026-08-21 18:43:00

○A188.114.97.02026-03-14 → 2026-08-21 · 17 obs

○A2606:4700:3031::6815:8782026-03-07 → 2026-06-09 · 10 obs

●A2606:4700:3033::ac43:8b6e2026-03-07 → 2026-08-21 · 19 obs

●A2606:4700:3037::6815:8782026-07-07 → 2026-08-21 · 11 obs

○ 2026-06-29 17:31:32
● 2026-07-07 10:25:16
○ 2026-07-11 13:08:18
● 2026-07-25 10:43:02
○ 2026-07-30 17:21:58
● 2026-08-02 07:09:50
○ 2026-08-13 05:37:24
● 2026-08-18 12:12:26
○ 2026-08-21 15:55:58
● 2026-08-21 17:47:00
● 2026-08-21 18:43:00

○A2a06:98c1:3120::2026-03-14 → 2026-08-21 · 17 obs

○A2a06:98c1:3121::2026-03-14 → 2026-08-21 · 17 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, d.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net...	12 records
cpptutor.ru	sue.ns.cloudflare.com, scott.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.145

NS records: sue.ns.cloudflare.com, scott.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cpptutor.ru (unsigned zone)

⏱️ Timing

Total: 1316ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.139.110, 104.21.8.120`
AAAA	2	`2606:4700:3037::6815:878, 2606:4700:3033::ac43:8b6e`
NS	2	`scott.ns.cloudflare.com, sue.ns.cloudflare.com`
TXT	1	`yandex-verification: 3596a552ef151cac`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`scott.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

In-bailiwick: 2 (c.tld-servers.ru, c.tld-servers.ru)

Out-of-bailiwick: 10 (a.dns.ripn.net, a.dns.ripn.net, d.dns.ripn.net...)

Analysis

IP Addresses

cpptutor.ru directs to four IP numbers, which are 104.21.8.120, 172.67.139.110, 2606:4700:3033::ac43:8b6e and 2606:4700:3037::6815:878.

Two other host names, along with cfeouyps.shop, 668bet67.com and palaciopazhotel.com, also share IP numbers with cpptutor.ru.

Name Servers

Two name servers handle the delegation for cpptutor.ru: scott.ns.cloudflare.com and sue.ns.cloudflare.com.

cpptutor.ru shares its NS records with other domains, for example atomicclicks.com, koelgids.nl, camtek.software and two others.

The name servers of cpptutor.ru overlap at least partially with those of other domains — among them casinotrust.com, cinema-scoop.com, zyppy.com and two more.

These name servers commonly appear alongside the name servers nile.ns.cloudflare.com and jake.ns.cloudflare.com.

DNS names with 6 IP addresses:

scott.ns.cloudflare.com resolves to 108.162.193.230, 172.64.33.230 and 173.245.59.230 among others, with 3 other IP addresses in total.

sue.ns.cloudflare.com resolves to 108.162.192.145, 172.64.32.145 and 173.245.58.145 among others, with 3 other IP addresses in total.