`yanjiusuo4.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:56e1^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:896a^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.86.225^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.137.106^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`fred.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b71^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c171^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`fred.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2171^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`fred.ns.cloudflare.com`
		A	108.162.193.113^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
		A	172.64.33.113^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
		A	173.245.59.113^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
NS	`liv.ns.cloudflare.com`
		A	2606:4700:50::adf5:3abc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`liv.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0bc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`liv.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20bc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`liv.ns.cloudflare.com`
		A	108.162.192.188^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`liv.ns.cloudflare.com`
		A	172.64.32.188^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`liv.ns.cloudflare.com`
		A	173.245.58.188^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`liv.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.86.225, 172.67.137.106
		IPv6 hints	2606:4700:3030::6815:56e1, 2606:4700:3036::ac43:896a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=158, name=cloudflare-ech.com
SOA	`fred.ns.cloudflare.com`dns@cloudflare.com serial=2403795512

`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=1778410131

Same first word

yanjiusuo4.com

yanjiusuo4.cfd

yanjiusuo4.top

DNS History

6 records (6 active, 0 former)

●NSfred.ns.cloudflare.com2026-02-17 → 2026-05-10 · 2 obs

● 2026-02-17 14:37:00
● 2026-05-10 10:54:40

●NSliv.ns.cloudflare.com2026-02-17 → 2026-05-10 · 2 obs

● 2026-02-17 14:37:00
● 2026-05-10 10:54:40

●A104.21.86.2252026-02-17 → 2026-05-10 · 2 obs

● 2026-02-17 14:37:00
● 2026-05-10 10:54:40

●A172.67.137.1062026-02-17 → 2026-05-10 · 2 obs

● 2026-02-17 14:37:00
● 2026-05-10 10:54:40

●A2606:4700:3030::6815:56e12026-02-17 → 2026-05-10 · 2 obs

● 2026-02-17 14:37:00
● 2026-05-10 10:54:40

●A2606:4700:3036::ac43:896a2026-02-17 → 2026-05-10 · 2 obs

● 2026-02-17 14:37:00
● 2026-05-10 10:54:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
yanjiusuo4.com	fred.ns.cloudflare.com, liv.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.113

NS records: fred.ns.cloudflare.com, liv.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yanjiusuo4.com (unsigned zone)

⏱️ Timing

Total: 268ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.86.225, 172.67.137.106`
AAAA	2	`2606:4700:3036::ac43:896a, 2606:4700:3030::6815:56e1`
NS	2	`fred.ns.cloudflare.com, liv.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`fred.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

yanjiusuo4.com resolves to four IPs: 2606:4700:3030::6815:56e1, 2606:4700:3036::ac43:896a, 104.21.86.225 and 172.67.137.106.

Other host names, for instance cn-gtdm-whatsapp.hl.cn, 03miniaturebridge.top, subito-verificatione-utente.com, www.apps-player.com and verticaltalent.com share IP numbers with yanjiusuo4.com.

Name Servers

yanjiusuo4.com has two name servers: fred.ns.cloudflare.com and liv.ns.cloudflare.com.

yanjiusuo4.com shares the same name server setup as other domains, for example clan-fi.net, tlp-rs.com, casinovideopoker.fr, autoteile-kfzteile.berlin and gigaworks.net.

yanjiusuo4.com shares some name servers with other domains, for example lapineoregon.gov, lvbingo.co, oakland.edu, 03732.com and 0208866.com.

These name servers are commonly used with the name servers fatima.ns.cloudflare.com.

Host names with six IP numbers: fred.ns.cloudflare.com points to: 2606:4700:58::adf5:3b71, 2803:f800:50::6ca2:c171, 2a06:98c1:50::ac40:2171, 108.162.193.113, 172.64.33.113 and 173.245.59.113; liv.ns.cloudflare.com points to: 2606:4700:50::adf5:3abc, 2803:f800:50::6ca2:c0bc, 2a06:98c1:50::ac40:20bc, 108.162.192.188, 172.64.32.188 and 173.245.58.188.

yanjiusuo4.com - robtex.com

yanjiusuo4.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

`yanjiusuo4.com`

`com`