`yufeng021.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::ac43:af68^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:1f51^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.31.81^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.175.104^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kristin.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ab5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kristin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kristin.ns.cloudflare.com`
		A	108.162.192.181^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
		A	172.64.32.181^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
		A	173.245.58.181^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
NS	`stanley.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c8d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stanley.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c38d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`stanley.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:238d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`stanley.ns.cloudflare.com`
		A	108.162.195.141^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stanley.ns.cloudflare.com`
		A	162.159.44.141^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stanley.ns.cloudflare.com`
		A	172.64.35.141^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stanley.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.31.81, 172.67.175.104
		IPv6 hints	2606:4700:3036::ac43:af68, 2606:4700:3037::6815:1f51
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=124, name=cloudflare-ech.com
SOA	`kristin.ns.cloudflare.com`dns@cloudflare.com serial=2401732118

`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=1777055112

Subdomains

www.yufeng021.com

Same first word

yufeng021.com

DNS History

9 records (6 active, 3 former)

○NSdns15.hichina.com2017-05-11 → 2017-05-11 · 3 obs

● 2017-05-11 20:45:02
○ 2026-04-11 22:03:10
○ 2026-04-24 18:51:16

○NSdns16.hichina.com2017-05-11 → 2017-05-11 · 3 obs

● 2017-05-11 20:45:02
○ 2026-04-11 22:03:10
○ 2026-04-24 18:51:16

●NSkristin.ns.cloudflare.com2026-04-11 → 2026-04-24 · 3 obs

○ 2017-05-11 20:45:02
● 2026-04-11 22:03:10
● 2026-04-24 18:51:16

●NSstanley.ns.cloudflare.com2026-04-11 → 2026-04-24 · 3 obs

○ 2017-05-11 20:45:02
● 2026-04-11 22:03:10
● 2026-04-24 18:51:16

●A104.21.31.812026-04-11 → 2026-04-24 · 3 obs

○ 2017-05-11 20:45:02
● 2026-04-11 22:03:10
● 2026-04-24 18:51:16

●A172.67.175.1042026-04-11 → 2026-04-24 · 3 obs

○ 2017-05-11 20:45:02
● 2026-04-11 22:03:10
● 2026-04-24 18:51:16

●A2606:4700:3036::ac43:af682026-04-11 → 2026-04-24 · 3 obs

○ 2017-05-11 20:45:02
● 2026-04-11 22:03:10
● 2026-04-24 18:51:16

●A2606:4700:3037::6815:1f512026-04-11 → 2026-04-24 · 3 obs

○ 2017-05-11 20:45:02
● 2026-04-11 22:03:10
● 2026-04-24 18:51:16

○A60.173.10.852017-05-11 → 2017-05-11 · 3 obs

● 2017-05-11 20:45:02
○ 2026-04-11 22:03:10
○ 2026-04-24 18:51:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
yufeng021.com	kristin.ns.cloudflare.com, stanley.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.181

NS records: kristin.ns.cloudflare.com, stanley.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yufeng021.com (unsigned zone)

⏱️ Timing

Total: 267ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.31.81, 172.67.175.104`
AAAA	2	`2606:4700:3037::6815:1f51, 2606:4700:3036::ac43:af68`
NS	2	`kristin.ns.cloudflare.com, stanley.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kristin.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

yufeng021.com is the parent of www.yufeng021.com.

IP Addresses

yufeng021.com points to four IP numbers: 2606:4700:3036::ac43:af68, 2606:4700:3037::6815:1f51, 104.21.31.81 and 172.67.175.104.

Other host names including adaptretail.com, zzhlr.com, nanoxglobal.pics, twistedengineering.com and schneiderei-bolten.de share IP numbers with yufeng021.com.

Name Servers

yufeng021.com's delegation uses two name servers, kristin.ns.cloudflare.com and stanley.ns.cloudflare.com.

yufeng021.com shares the same name server setup as other domains, for example cdgrh.com, ncbaoxian.com, jyshwjs.com, yuxinjh.com and smmimi.com.

yufeng021.com at least partially shares name servers with other domains, including nongdonwittaya.ac.th, trip519.com, toplightingusa.com, ukrolexreplica.org.uk and pnpdistribution.com.

These name servers are often used together with vida.ns.cloudflare.com.

Host names with six IP numbers:

kristin.ns.cloudflare.com points to: 2606:4700:50::adf5:3ab5, 2803:f800:50::6ca2:c0b5, 2a06:98c1:50::ac40:20b5, 108.162.192.181, 172.64.32.181 and 173.245.58.181.

stanley.ns.cloudflare.com points to: 2606:4700:58::a29f:2c8d, 2803:f800:50::6ca2:c38d, 2a06:98c1:50::ac40:238d, 108.162.195.141, 162.159.44.141 and 172.64.35.141.

yufeng021.com - robtex.com

yufeng021.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

`yufeng021.com`

`com`