`contentfiltering.ru`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:cdd9^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:34f7^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.52.247^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.205.217^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`armfazh.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c68^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`armfazh.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c368^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`armfazh.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2368^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`armfazh.ns.cloudflare.com`
		A	108.162.195.104^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`armfazh.ns.cloudflare.com`
		A	162.159.44.104^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`armfazh.ns.cloudflare.com`
		A	172.64.35.104^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`armfazh.ns.cloudflare.com`
NS	`sarah.ns.cloudflare.com`
		A	2606:4700:50::a29f:26da^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sarah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2da^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sarah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22da^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sarah.ns.cloudflare.com`
		A	108.162.194.218^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sarah.ns.cloudflare.com`
		A	162.159.38.218^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sarah.ns.cloudflare.com`
		A	172.64.34.218^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sarah.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.52.247, 172.67.205.217
		IPv6 hints	2606:4700:3034::ac43:cdd9, 2606:4700:3037::6815:34f7
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=33, name=cloudflare-ech.com
SOA	`armfazh.ns.cloudflare.com`dns@cloudflare.com serial=2402129835

`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=4068824

Subdomains

www.contentfiltering.ru

Same first word

contentfiltering.ru

DNS History

17 records (6 active, 11 former)

●NSarmfazh.ns.cloudflare.com2026-03-29 → 2026-05-10 · 3 obs

○ 2017-04-07 22:34:06
● 2026-03-29 16:49:04
● 2026-05-10 15:07:38

○NSbeth.ns.cloudflare.com2017-04-07 → 2017-04-07 · 4 obs

○ 2016-07-02 03:38:42
● 2017-04-07 22:34:06
○ 2026-03-29 16:49:04
○ 2026-05-10 15:07:38

○NSjack.ns.cloudflare.com2017-04-07 → 2017-04-07 · 4 obs

○ 2016-07-02 03:38:42
● 2017-04-07 22:34:06
○ 2026-03-29 16:49:04
○ 2026-05-10 15:07:38

○NSns1.cair.ru2008-11-23 → 2016-07-02 · 4 obs

● 2008-11-23 22:31:30
● 2016-07-02 03:38:42
○ 2017-04-07 22:34:06
○ 2026-05-10 15:07:38

○NSns2.cair.ru2008-11-23 → 2016-07-02 · 4 obs

● 2008-11-23 22:31:30
● 2016-07-02 03:38:42
○ 2017-04-07 22:34:06
○ 2026-05-10 15:07:38

○NSns3.cair.ru2015-08-23 → 2016-07-02 · 5 obs

○ 2008-11-23 22:31:30
● 2015-08-23 02:08:18
● 2016-07-02 03:38:42
○ 2017-04-07 22:34:06
○ 2026-05-10 15:07:38

●NSsarah.ns.cloudflare.com2026-03-29 → 2026-05-10 · 3 obs

○ 2017-04-07 22:34:06
● 2026-03-29 16:49:04
● 2026-05-10 15:07:38

●A104.21.52.2472026-03-29 → 2026-05-10 · 3 obs

○ 2017-04-07 22:34:06
● 2026-03-29 16:49:04
● 2026-05-10 15:07:38

○A104.24.112.782017-04-07 → 2017-04-07 · 4 obs

○ 2016-07-02 03:38:42
● 2017-04-07 22:34:06
○ 2026-03-29 16:49:04
○ 2026-05-10 15:07:38

○A104.24.113.782017-04-07 → 2017-04-07 · 4 obs

○ 2016-07-02 03:38:42
● 2017-04-07 22:34:06
○ 2026-03-29 16:49:04
○ 2026-05-10 15:07:38

●A172.67.205.2172026-03-29 → 2026-05-10 · 3 obs

○ 2017-04-07 22:34:06
● 2026-03-29 16:49:04
● 2026-05-10 15:07:38

○A217.174.104.1832008-11-23 → 2008-11-23 · 3 obs

● 2008-11-23 22:31:30
○ 2015-08-23 02:08:18
○ 2026-05-10 15:07:38

○A2400:cb00:2048:1::6818:704e2017-04-07 → 2017-04-07 · 4 obs

○ 2016-07-02 03:38:42
● 2017-04-07 22:34:06
○ 2026-03-29 16:49:04
○ 2026-05-10 15:07:38

○A2400:cb00:2048:1::6818:714e2017-04-07 → 2017-04-07 · 4 obs

○ 2016-07-02 03:38:42
● 2017-04-07 22:34:06
○ 2026-03-29 16:49:04
○ 2026-05-10 15:07:38

●A2606:4700:3034::ac43:cdd92026-03-29 → 2026-05-10 · 3 obs

○ 2017-04-07 22:34:06
● 2026-03-29 16:49:04
● 2026-05-10 15:07:38

●A2606:4700:3037::6815:34f72026-03-29 → 2026-05-10 · 3 obs

○ 2017-04-07 22:34:06
● 2026-03-29 16:49:04
● 2026-05-10 15:07:38

○A81.176.72.322015-08-23 → 2016-07-02 · 5 obs

○ 2008-11-23 22:31:30
● 2015-08-23 02:08:18
● 2016-07-02 03:38:42
○ 2017-04-07 22:34:06
○ 2026-05-10 15:07:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
contentfiltering.ru	armfazh.ns.cloudflare.com, sarah.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.218

NS records: armfazh.ns.cloudflare.com, sarah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contentfiltering.ru (unsigned zone)

⏱️ Timing

Total: 881ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.52.247, 172.67.205.217`
AAAA	2	`2606:4700:3037::6815:34f7, 2606:4700:3034::ac43:cdd9`
NS	2	`armfazh.ns.cloudflare.com, sarah.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`armfazh.ns.cloudflare.com dns.cloudflare`

Analysis

Hierarchy

contentfiltering.ru is the parent of www.contentfiltering.ru.

IP Addresses

Four IP numbers are pointed to by contentfiltering.ru: 2606:4700:3034::ac43:cdd9, 2606:4700:3037::6815:34f7, 104.21.52.247 and 172.67.205.217.

other host names including jzsyqyl.com, metla.com, worldwide-escort.com, giaiphapdokiem.vn and www.humanvaccinesproject.org share IP numbers with contentfiltering.ru.

Name Servers

contentfiltering.ru is delegated to two name servers armfazh.ns.cloudflare.com and sarah.ns.cloudflare.com.

contentfiltering.ru shares the same name server setup as other domains, for instance se-blog.ru, maksp.ru, avtogid16.ru, all-import.ru and gymn3saratov.ru.

contentfiltering.ru at least partially shares name servers with other domains, for instance pumwgp.life, cargorelease.com, progressiveqatar.com, 27dq.com and suadaclub.com.tr.

These name servers are commonly used with kipp.ns.cloudflare.com, nelly.ns.cloudflare.com and sid.ns.cloudflare.com.

Host names with six IP numbers:

Host name armfazh.ns.cloudflare.com points to: 2606:4700:58::a29f:2c68, 2803:f800:50::6ca2:c368, 2a06:98c1:50::ac40:2368, 108.162.195.104, 162.159.44.104 and 172.64.35.104.

Host name sarah.ns.cloudflare.com points to: 2606:4700:50::a29f:26da, 2803:f800:50::6ca2:c2da, 2a06:98c1:50::ac40:22da, 108.162.194.218, 162.159.38.218 and 172.64.34.218.

contentfiltering.ru - robtex.com