`yfdurl4.com`

	CNAME	`yfdurl.com`
	CNAME	`www.yuanfudao.com`
	DNSSEC	⚠️ Not signed
	A	47.88.89.93^{🇺🇸 Alibaba-Cloud47.88.64.0/18 Alibaba Cloud}

`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=1786551219

Same first word

yfdurl4.com

DNS History

5 records (3 active, 2 former)

○NSdns3.hichina.com2019-12-14 → 2026-02-27 · 3 obs

● 2019-12-14 03:09:46
● 2026-02-27 20:29:22
○ 2026-08-12 16:32:14

○NSdns4.hichina.com2019-12-14 → 2026-02-27 · 3 obs

● 2019-12-14 03:09:46
● 2026-02-27 20:29:22
○ 2026-08-12 16:32:14

●NSredbud.dnspod.net2026-08-12 → 2026-08-12 · 2 obs

○ 2026-02-27 20:29:22
● 2026-08-12 16:32:14

●NSrosewood.dnspod.net2026-08-12 → 2026-08-12 · 2 obs

○ 2026-02-27 20:29:22
● 2026-08-12 16:32:14

●CNAMEyfdurl.com2019-12-14 → 2026-08-12 · 2 obs

● 2019-12-14 03:09:46
● 2026-08-12 16:32:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
yfdurl4.com	rosewood.dnspod.net, redbud.dnspod.net	-

✅ Authoritative Response

Server:1.12.0.1

NS records: rosewood.dnspod.net, redbud.dnspod.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yfdurl4.com (unsigned zone)

⏱️ Timing

Total: 430ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`redbud.dnspod.net, rosewood.dnspod.net`
CNAME	1	`yfdurl.com`
SOA	1	`rosewood.dnspod.net freednsadmin.dnspod.`

Analysis

IP Addresses

yfdurl4.com directs to one IP number, which is 47.88.89.93.

www.yuanfudao.com and tutor-ng.yuanfudao.com, along with other host names, share IP addresses with yfdurl4.com.

yfdurl4.com - robtex.com

yfdurl4.com

com