`first-china.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:55b2^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:d0b0^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.85.178^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.208.176^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`corey.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c18^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`corey.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c318^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`corey.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2318^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`corey.ns.cloudflare.com`
		A	108.162.195.24^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`corey.ns.cloudflare.com`
		A	162.159.44.24^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`corey.ns.cloudflare.com`
		A	172.64.35.24^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`corey.ns.cloudflare.com`
NS	`maria.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ac0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maria.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`maria.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`maria.ns.cloudflare.com`
		A	108.162.192.192^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maria.ns.cloudflare.com`
		A	172.64.32.192^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maria.ns.cloudflare.com`
		A	173.245.58.192^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maria.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.85.178, 172.67.208.176
		IPv6 hints	2606:4700:3033::6815:55b2, 2606:4700:3035::ac43:d0b0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=24, name=cloudflare-ech.com
SOA	`corey.ns.cloudflare.com`dns@cloudflare.com serial=2400842898

`net`

	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=1776077487

Same first word

first-china.net

DNS History

16 records (6 active, 10 former)

●NScorey.ns.cloudflare.com2026-02-17 → 2026-04-13 · 3 obs

○ 2017-01-08 15:08:00
● 2026-02-17 22:47:24
● 2026-04-13 11:10:42

○NSdns7.hichina.com2015-05-13 → 2017-01-08 · 4 obs

● 2015-05-13 06:33:54
● 2017-01-08 15:08:00
○ 2026-02-17 22:47:24
○ 2026-04-13 11:10:42

○NSdns8.hichina.com2015-05-13 → 2017-01-08 · 4 obs

● 2015-05-13 06:33:54
● 2017-01-08 15:08:00
○ 2026-02-17 22:47:24
○ 2026-04-13 11:10:42

●NSmaria.ns.cloudflare.com2026-02-17 → 2026-04-13 · 3 obs

○ 2017-01-08 15:08:00
● 2026-02-17 22:47:24
● 2026-04-13 11:10:42

○MXmxn.mxhichina.com2015-05-13 → 2017-01-08 · 4 obs

● 2015-05-13 06:33:54
● 2017-01-08 15:08:00
○ 2026-02-17 22:47:24
○ 2026-04-13 11:10:42

●A104.21.85.1782026-02-17 → 2026-04-13 · 6 obs

○ 2017-01-08 15:08:00
● 2026-02-17 22:47:24
● 2026-02-18 05:18:00
○ 2026-02-19 15:14:42
○ 2026-02-20 05:42:38
● 2026-04-13 11:10:42

○A110.173.196.12015-05-13 → 2017-01-08 · 4 obs

● 2015-05-13 06:33:54
● 2017-01-08 15:08:00
○ 2026-02-17 22:47:24
○ 2026-04-13 11:10:42

●A172.67.208.1762026-02-17 → 2026-04-13 · 6 obs

○ 2017-01-08 15:08:00
● 2026-02-17 22:47:24
● 2026-02-18 05:18:00
○ 2026-02-19 15:14:42
○ 2026-02-20 05:42:38
● 2026-04-13 11:10:42

○A188.114.96.02026-02-19 → 2026-02-20 · 4 obs

○ 2026-02-18 05:18:00
● 2026-02-19 15:14:42
● 2026-02-20 05:42:38
○ 2026-04-13 11:10:42

○A188.114.97.02026-02-19 → 2026-02-20 · 4 obs

○ 2026-02-18 05:18:00
● 2026-02-19 15:14:42
● 2026-02-20 05:42:38
○ 2026-04-13 11:10:42

●A2606:4700:3033::6815:55b22026-02-17 → 2026-04-13 · 6 obs

○ 2017-01-08 15:08:00
● 2026-02-17 22:47:24
● 2026-02-18 05:18:00
○ 2026-02-19 15:14:42
○ 2026-02-20 05:42:38
● 2026-04-13 11:10:42

●A2606:4700:3035::ac43:d0b02026-02-17 → 2026-04-13 · 6 obs

○ 2017-01-08 15:08:00
● 2026-02-17 22:47:24
● 2026-02-18 05:18:00
○ 2026-02-19 15:14:42
○ 2026-02-20 05:42:38
● 2026-04-13 11:10:42

○A2a06:98c1:3120::2026-02-20 → 2026-02-20 · 3 obs

○ 2026-02-19 15:14:42
● 2026-02-20 05:42:38
○ 2026-04-13 11:10:42

○A2a06:98c1:3120::42026-02-19 → 2026-02-19 · 4 obs

○ 2026-02-18 05:18:00
● 2026-02-19 15:14:42
○ 2026-02-20 05:42:38
○ 2026-04-13 11:10:42

○A2a06:98c1:3121::2026-02-20 → 2026-02-20 · 3 obs

○ 2026-02-19 15:14:42
● 2026-02-20 05:42:38
○ 2026-04-13 11:10:42

○A2a06:98c1:3121::42026-02-19 → 2026-02-19 · 4 obs

○ 2026-02-18 05:18:00
● 2026-02-19 15:14:42
○ 2026-02-20 05:42:38
○ 2026-04-13 11:10:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...	-
first-china.net	maria.ns.cloudflare.com, corey.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.24

NS records: maria.ns.cloudflare.com, corey.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for first-china.net (unsigned zone)

⏱️ Timing

Total: 517ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.208.176, 104.21.85.178`
AAAA	2	`2606:4700:3035::ac43:d0b0, 2606:4700:3033::6815:55b2`
NS	2	`corey.ns.cloudflare.com, maria.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`corey.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

first-china.net maps to four IP numbers: 2606:4700:3033::6815:55b2, 2606:4700:3035::ac43:d0b0, 104.21.85.178 and 172.67.208.176.

Other host names, for instance studylinux.ru, jazzbluesnews.com, kraftbit.com, santam.cn and www.sunnybains.com share IP numbers with first-china.net.

Name Servers

Two name servers corey.ns.cloudflare.com and maria.ns.cloudflare.com are delegated to first-china.net.

first-china.net uses the same name server configuration as other domains, such as meet020.com, jxsdzk.com, lffutai.com, jywanrong.com and haohiyou.com.

first-china.net at least partially shares name servers with other domains such as desmager.com, hnlxczc.com, wdjpc.com, ceucc.com and northdenvertribune.net.

these name servers are commonly used with the name servers lana.ns.cloudflare.com.

Host names with six IP numbers: Host name corey.ns.cloudflare.com points to 2606:4700:58::a29f:2c18, 2803:f800:50::6ca2:c318, 2a06:98c1:50::ac40:2318, 108.162.195.24, 162.159.44.24 and 172.64.35.24; host name maria.ns.cloudflare.com points to 2606:4700:50::adf5:3ac0, 2803:f800:50::6ca2:c0c0, 2a06:98c1:50::ac40:20c0, 108.162.192.192, 172.64.32.192 and 173.245.58.192.

first-china.net - robtex.com

first-china.net

net

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`first-china.net`

`net`