`zlib4.ru`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3036::6815:e3d^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:9e1c^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.14.61^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.158.28^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`paislee.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26b7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paislee.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2b7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`paislee.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22b7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`paislee.ns.cloudflare.com`
		A	108.162.194.183^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paislee.ns.cloudflare.com`
		A	162.159.38.183^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paislee.ns.cloudflare.com`
		A	172.64.34.183^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paislee.ns.cloudflare.com`
NS	`quincy.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c27^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`quincy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c327^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`quincy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2327^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`quincy.ns.cloudflare.com`
		A	108.162.195.39^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`quincy.ns.cloudflare.com`
		A	162.159.44.39^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`quincy.ns.cloudflare.com`
		A	172.64.35.39^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`quincy.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.14.61, 172.67.158.28
		IPv6	2606:4700:3036::6815:e3d, 2606:4700:3036::ac43:9e1c
SOA	`paislee.ns.cloudflare.com`dns@cloudflare.com serial=2398907007

`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=4068280

Same first word

zlib4.ru

Similar names

4lbiz.de

4lbiz.com

DNS History

8 records (6 active, 2 former)

●NSpaislee.ns.cloudflare.com2026-03-17 → 2026-03-26 · 2 obs

● 2026-03-17 02:46:28
● 2026-03-26 09:00:52

●NSquincy.ns.cloudflare.com2026-03-17 → 2026-03-26 · 2 obs

● 2026-03-17 02:46:28
● 2026-03-26 09:00:52

●A104.21.14.612026-03-17 → 2026-03-26 · 7 obs

● 2026-03-17 02:46:28
● 2026-03-17 10:45:10
○ 2026-03-19 00:10:50
● 2026-03-20 19:10:10
○ 2026-03-22 08:30:12
● 2026-03-23 21:54:56
● 2026-03-26 09:00:52

○A172.64.80.12026-03-19 → 2026-03-22 · 6 obs

○ 2026-03-17 10:45:10
● 2026-03-19 00:10:50
○ 2026-03-20 19:10:10
● 2026-03-22 08:30:12
○ 2026-03-23 21:54:56
○ 2026-03-26 09:00:52

●A172.67.158.282026-03-17 → 2026-03-26 · 7 obs

● 2026-03-17 02:46:28
● 2026-03-17 10:45:10
○ 2026-03-19 00:10:50
● 2026-03-20 19:10:10
○ 2026-03-22 08:30:12
● 2026-03-23 21:54:56
● 2026-03-26 09:00:52

○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-20 → 2026-03-22 · 5 obs

○ 2026-03-19 00:10:50
● 2026-03-20 19:10:10
● 2026-03-22 08:30:12
○ 2026-03-23 21:54:56
○ 2026-03-26 09:00:52

●A2606:4700:3036::6815:e3d2026-03-17 → 2026-03-26 · 6 obs

● 2026-03-17 02:46:28
● 2026-03-19 00:10:50
○ 2026-03-20 19:10:10
○ 2026-03-22 08:30:12
● 2026-03-23 21:54:56
● 2026-03-26 09:00:52

●A2606:4700:3036::ac43:9e1c2026-03-17 → 2026-03-26 · 6 obs

● 2026-03-17 02:46:28
● 2026-03-19 00:10:50
○ 2026-03-20 19:10:10
○ 2026-03-22 08:30:12
● 2026-03-23 21:54:56
● 2026-03-26 09:00:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net...	-
zlib4.ru	quincy.ns.cloudflare.com, paislee.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.183

NS records: quincy.ns.cloudflare.com, paislee.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 742ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.158.28, 104.21.14.61`
AAAA	2	`2606:4700:3036::6815:e3d, 2606:4700:3036::ac43:9e1c`
NS	2	`paislee.ns.cloudflare.com, quincy.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`paislee.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

zlib4.ru resolves to four IPs: 2606:4700:3036::6815:e3d, 2606:4700:3036::ac43:9e1c, 104.21.14.61 and 172.67.158.28.

Other host names, for instance ht(0x706f726e).com, caseystubbs.com, kokohokix5000jp.online, gaspolresmi.xyz and aaliyaexpresslines.com share IP numbers with zlib4.ru.

Name Servers

zlib4.ru has two name servers: paislee.ns.cloudflare.com and quincy.ns.cloudflare.com.

zlib4.ru shares the same name server setup as other domains, for example 101esfp.online, zlib1.ru, zlib3.ru, zlib6.ru and zlibi.online.

zlib4.ru shares some name servers with other domains, for example mersthamfc.co.uk, goverline.com, girouk.com, btiscreening.com and prophitter.com.

These name servers are often used together with eva.ns.cloudflare.com, plato.ns.cloudflare.com and pat.ns.cloudflare.com.

Host names with six IP numbers: paislee.ns.cloudflare.com points to: 2606:4700:50::a29f:26b7, 2803:f800:50::6ca2:c2b7, 2a06:98c1:50::ac40:22b7, 108.162.194.183, 162.159.38.183 and 172.64.34.183; quincy.ns.cloudflare.com points to: 2606:4700:58::a29f:2c27, 2803:f800:50::6ca2:c327, 2a06:98c1:50::ac40:2327, 108.162.195.39, 162.159.44.39 and 172.64.35.39.

zlib4.ru - robtex.com

zlib4.ru

ru