`rk88cs.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:5227^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:98aa^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.82.39^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.152.170^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`albert.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b3a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`albert.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c13a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`albert.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:213a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`albert.ns.cloudflare.com`
		A	108.162.193.58^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`albert.ns.cloudflare.com`
		A	172.64.33.58^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`albert.ns.cloudflare.com`
		A	173.245.59.58^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`albert.ns.cloudflare.com`
NS	`aspen.ns.cloudflare.com`
		A	2606:4700:50::a29f:266d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aspen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c26d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aspen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:226d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aspen.ns.cloudflare.com`
		A	108.162.194.109^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aspen.ns.cloudflare.com`
		A	162.159.38.109^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aspen.ns.cloudflare.com`
		A	172.64.34.109^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aspen.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.82.39, 172.67.152.170
		IPv6 hints	2606:4700:3035::6815:5227, 2606:4700:3037::ac43:98aa
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=135, name=cloudflare-ech.com
SOA	`albert.ns.cloudflare.com`dns@cloudflare.com serial=2410569192

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785481162

Same first word

rk88cs.com

DNS History

11 records (6 active, 5 former)

●NSalbert.ns.cloudflare.com2026-04-17 → 2026-07-31 · 2 obs

● 2026-04-17 02:58:58
● 2026-07-31 07:20:08

●NSaspen.ns.cloudflare.com2026-04-17 → 2026-07-31 · 2 obs

● 2026-04-17 02:58:58
● 2026-07-31 07:20:08

●A104.21.82.392026-04-17 → 2026-07-31 · 8 obs

● 2026-04-17 02:58:58
● 2026-04-21 13:18:56
○ 2026-04-23 19:50:30
● 2026-04-30 22:49:12
● 2026-05-08 16:13:24
○ 2026-06-07 23:27:16
● 2026-06-13 11:59:06
● 2026-07-31 07:20:08

●A172.67.152.1702026-04-17 → 2026-07-31 · 8 obs

● 2026-04-17 02:58:58
● 2026-04-21 13:18:56
○ 2026-04-23 19:50:30
● 2026-04-30 22:49:12
● 2026-05-08 16:13:24
○ 2026-06-07 23:27:16
● 2026-06-13 11:59:06
● 2026-07-31 07:20:08

○A188.114.96.02026-04-23 → 2026-06-07 · 7 obs

○ 2026-04-21 13:18:56
● 2026-04-23 19:50:30
○ 2026-04-30 22:49:12
○ 2026-05-08 16:13:24
● 2026-06-07 23:27:16
○ 2026-06-13 11:59:06
○ 2026-07-31 07:20:08

○A188.114.97.02026-04-23 → 2026-06-07 · 7 obs

○ 2026-04-21 13:18:56
● 2026-04-23 19:50:30
○ 2026-04-30 22:49:12
○ 2026-05-08 16:13:24
● 2026-06-07 23:27:16
○ 2026-06-13 11:59:06
○ 2026-07-31 07:20:08

○A2606:4700:3031::6815:52272026-04-17 → 2026-06-13 · 9 obs

● 2026-04-17 02:58:58
● 2026-04-21 13:18:56
○ 2026-04-23 19:50:30
● 2026-04-30 22:49:12
● 2026-05-08 16:13:24
○ 2026-06-07 23:27:16
● 2026-06-13 11:59:06
○ 2026-07-09 00:08:08
○ 2026-07-31 07:20:08

●A2606:4700:3035::6815:52272026-07-09 → 2026-07-31 · 3 obs

○ 2026-06-13 11:59:06
● 2026-07-09 00:08:08
● 2026-07-31 07:20:08

●A2606:4700:3037::ac43:98aa2026-04-17 → 2026-07-31 · 8 obs

● 2026-04-17 02:58:58
● 2026-04-21 13:18:56
○ 2026-04-23 19:50:30
● 2026-04-30 22:49:12
● 2026-05-08 16:13:24
○ 2026-06-07 23:27:16
● 2026-06-13 11:59:06
● 2026-07-31 07:20:08

○A2a06:98c1:3120::2026-04-23 → 2026-06-07 · 7 obs

○ 2026-04-21 13:18:56
● 2026-04-23 19:50:30
○ 2026-04-30 22:49:12
○ 2026-05-08 16:13:24
● 2026-06-07 23:27:16
○ 2026-06-13 11:59:06
○ 2026-07-31 07:20:08

○A2a06:98c1:3121::2026-04-23 → 2026-06-07 · 7 obs

○ 2026-04-21 13:18:56
● 2026-04-23 19:50:30
○ 2026-04-30 22:49:12
○ 2026-05-08 16:13:24
● 2026-06-07 23:27:16
○ 2026-06-13 11:59:06
○ 2026-07-31 07:20:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net...	-
rk88cs.com	albert.ns.cloudflare.com, aspen.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.109

NS records: albert.ns.cloudflare.com, aspen.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rk88cs.com (unsigned zone)

⏱️ Timing

Total: 130ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.152.170, 104.21.82.39`
AAAA	2	`2606:4700:3035::6815:5227, 2606:4700:3037::ac43:98aa`
NS	2	`albert.ns.cloudflare.com, aspen.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`albert.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (albert.ns.cloudflare.com, albert.ns.cloudflare.com, albert.ns.cloudflare.com...)

Analysis

IP Addresses

rk88cs.com has four IP addresses: 104.21.82.39, 172.67.152.170, 2606:4700:3035::6815:5227 and 2606:4700:3037::ac43:98aa.

Among the host names that share IP numbers with rk88cs.com are medlinkx.online, 88151557.com, www.port-montreal.com.cdn.cloudflare.net and two others.

Name Servers

The NS records for rk88cs.com delegate to albert.ns.cloudflare.com and aspen.ns.cloudflare.com.

rk88cs.com has the same name server delegation as a number of other domains, such as sputnik.info, williamsburgarearestaurants.com, yyrrcs.com and two more.

rk88cs.com partially shares its NS delegation with several other domains, including vedon-china.com, global-postback.com, forgottensable.shop and two others.

The name servers gordon.ns.cloudflare.com, nash.ns.cloudflare.com, marissa.ns.cloudflare.com and rodrigo.ns.cloudflare.com are often found in use alongside these name servers.

Host names resolving to 6 IP numbers:

albert.ns.cloudflare.com maps to 108.162.193.58, 172.64.33.58, 173.245.59.58 and 3 additional IP addresses.

aspen.ns.cloudflare.com maps to 108.162.194.109, 162.159.38.109, 172.64.34.109 and 3 additional IP addresses.

rk88cs.com - robtex.com

rk88cs.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`rk88cs.com`

`com`