`fz-cs.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:2f6e^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:9335^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.47.110^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.147.53^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alla.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alla.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alla.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alla.ns.cloudflare.com`
		A	108.162.192.62^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alla.ns.cloudflare.com`
		A	172.64.32.62^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alla.ns.cloudflare.com`
		A	173.245.58.62^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alla.ns.cloudflare.com`
NS	`jermaine.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c9d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jermaine.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c39d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jermaine.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:239d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jermaine.ns.cloudflare.com`
		A	108.162.195.157^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jermaine.ns.cloudflare.com`
		A	162.159.44.157^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jermaine.ns.cloudflare.com`
		A	172.64.35.157^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jermaine.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.47.110, 172.67.147.53
		IPv6 hints	2606:4700:3036::6815:2f6e, 2606:4700:3037::ac43:9335
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=156, name=cloudflare-ech.com
SOA	`alla.ns.cloudflare.com`dns@cloudflare.com serial=2410569182

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2035175409

Same first word

fz-cs.cn

Similar names

fs-zc.com

cf-sz.com

fc-zs.ru

cz-sf.com

DNS History

17 records (6 active, 11 former)

●NSalla.ns.cloudflare.com2026-08-13 → 2026-08-13 · 3 obs

○ 2017-05-05 12:41:22
● 2026-08-13 10:34:10
● 2026-08-13 10:34:12

○NSdns1.iidns.com2015-04-23 → 2016-04-20 · 4 obs

● 2015-04-23 01:58:06
● 2016-04-20 23:24:32
○ 2016-12-24 23:42:38
○ 2026-08-13 10:34:12

○NSdns2.iidns.com2015-04-23 → 2016-04-20 · 4 obs

● 2015-04-23 01:58:06
● 2016-04-20 23:24:32
○ 2016-12-24 23:42:38
○ 2026-08-13 10:34:12

○NSdns3.iidns.com2015-04-23 → 2016-04-20 · 4 obs

● 2015-04-23 01:58:06
● 2016-04-20 23:24:32
○ 2016-12-24 23:42:38
○ 2026-08-13 10:34:12

○NSdns4.iidns.com2015-04-23 → 2016-04-20 · 4 obs

● 2015-04-23 01:58:06
● 2016-04-20 23:24:32
○ 2016-12-24 23:42:38
○ 2026-08-13 10:34:12

○NSdns5.iidns.com2015-04-23 → 2016-04-20 · 4 obs

● 2015-04-23 01:58:06
● 2016-04-20 23:24:32
○ 2016-12-24 23:42:38
○ 2026-08-13 10:34:12

○NSdns6.iidns.com2015-04-23 → 2016-04-20 · 4 obs

● 2015-04-23 01:58:06
● 2016-04-20 23:24:32
○ 2016-12-24 23:42:38
○ 2026-08-13 10:34:12

●NSjermaine.ns.cloudflare.com2026-08-13 → 2026-08-13 · 3 obs

○ 2017-05-05 12:41:22
● 2026-08-13 10:34:10
● 2026-08-13 10:34:12

○NSjuming.dnsdun.com2016-12-24 → 2017-05-05 · 5 obs

○ 2016-04-20 23:24:32
● 2016-12-24 23:42:38
● 2017-05-05 12:41:22
○ 2026-08-13 10:34:10
○ 2026-08-13 10:34:12

○NSjuming.dnsdun.net2016-12-24 → 2017-05-05 · 5 obs

○ 2016-04-20 23:24:32
● 2016-12-24 23:42:38
● 2017-05-05 12:41:22
○ 2026-08-13 10:34:10
○ 2026-08-13 10:34:12

●A104.21.47.1102026-08-13 → 2026-08-13 · 3 obs

○ 2017-05-05 12:41:22
● 2026-08-13 10:34:10
● 2026-08-13 10:34:12

●A172.67.147.532026-08-13 → 2026-08-13 · 3 obs

○ 2017-05-05 12:41:22
● 2026-08-13 10:34:10
● 2026-08-13 10:34:12

○A222.76.217.162015-04-23 → 2016-04-20 · 4 obs

● 2015-04-23 01:58:06
● 2016-04-20 23:24:32
○ 2016-12-24 23:42:38
○ 2026-08-13 10:34:12

●A2606:4700:3036::6815:2f6e2026-08-13 → 2026-08-13 · 3 obs

○ 2017-05-05 12:41:22
● 2026-08-13 10:34:10
● 2026-08-13 10:34:12

●A2606:4700:3037::ac43:93352026-08-13 → 2026-08-13 · 3 obs

○ 2017-05-05 12:41:22
● 2026-08-13 10:34:10
● 2026-08-13 10:34:12

○A38.33.233.1812026-08-13 → 2026-08-13 · 2 obs

○ 2026-08-13 10:34:10
○ 2026-08-13 10:34:12

○A76.164.218.1182016-12-24 → 2017-05-05 · 5 obs

○ 2016-04-20 23:24:32
● 2016-12-24 23:42:38
● 2017-05-05 12:41:22
○ 2026-08-13 10:34:10
○ 2026-08-13 10:34:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	c.dns.cn, e.dns.cn, a.dns.cn, b.dns.cn...	-
fz-cs.cn	alla.ns.cloudflare.com, jermaine.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.62

NS records: alla.ns.cloudflare.com, jermaine.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fz-cs.cn (unsigned zone)

⏱️ Timing

Total: 530ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.47.110, 172.67.147.53`
AAAA	2	`2606:4700:3036::6815:2f6e, 2606:4700:3037::ac43:9335`
NS	2	`alla.ns.cloudflare.com, jermaine.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alla.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

fz-cs.cn resolves to four IP addresses: 104.21.47.110, 172.67.147.53, 2606:4700:3036::6815:2f6e and 2606:4700:3037::ac43:9335.

Among the host names that share IP numbers with fz-cs.cn are megaeconomia.com.br, windyinvest.com, tstvafrica.com and two others.

Name Servers

Two name servers handle the delegation for fz-cs.cn: alla.ns.cloudflare.com and jermaine.ns.cloudflare.com.

fz-cs.cn has the same name server delegation as a number of other domains, such as acadaminuto.com, ostd.cn, ltdcy.com and two more.

fz-cs.cn partially shares its NS delegation with several other domains, including speneaffas.pro, ellisfairbank.com, asiadating.nl and two others.

These name servers regularly co-occur with the name servers dalary.ns.cloudflare.com, joyce.ns.cloudflare.com and norman.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

alla.ns.cloudflare.com resolves to 108.162.192.62, 172.64.32.62 and 173.245.58.62 among others, with 3 other IP addresses in total.

jermaine.ns.cloudflare.com resolves to 108.162.195.157, 162.159.44.157 and 172.64.35.157 among others, with 3 other IP addresses in total.

fz-cs.cn - robtex.com

fz-cs.cn

cn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`fz-cs.cn`

`cn`