`xuelangapp.com`

	CNAME	`xuelangapp.com.w.cdngslb.com`
	CNAME	`xuelangapp.com.queniusz.com`
	DNSSEC	⚠️ Not signed
	A	163.181.60.201^{🇺🇸 Alibaba_Cloud_CDN163.181.60.0/24 Alibaba Cloud}
	A	163.181.60.202^{🇺🇸 Alibaba_Cloud_CDN163.181.60.0/24 Alibaba Cloud}
	A	163.181.60.203^{🇺🇸 Alibaba_Cloud_CDN163.181.60.0/24 Alibaba Cloud}
	A	163.181.60.204^{🇺🇸 Alibaba_Cloud_CDN163.181.60.0/24 Alibaba Cloud}
	A	163.181.60.205^{🇺🇸 Alibaba_Cloud_CDN163.181.60.0/24 Alibaba Cloud}
	A	163.181.60.206^{🇺🇸 Alibaba_Cloud_CDN163.181.60.0/24 Alibaba Cloud}
	A	163.181.60.207^{🇺🇸 Alibaba_Cloud_CDN163.181.60.0/24 Alibaba Cloud}
	A	163.181.60.208^{🇺🇸 Alibaba_Cloud_CDN163.181.60.0/24 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=1785020482

🔒 HSTS Preload (+subdomains)

Same first word

xuelangapp.com

DNS History

7 records (3 active, 4 former)

○NSdns11.hichina.com2026-03-06 → 2026-03-06 · 3 obs

● 2026-03-06 21:41:06
○ 2026-07-25 23:05:20
○ 2026-07-25 23:05:22

○NSdns12.hichina.com2026-03-06 → 2026-03-06 · 3 obs

● 2026-03-06 21:41:06
○ 2026-07-25 23:05:20
○ 2026-07-25 23:05:22

○NSns1.alidns.com2026-06-21 → 2026-06-21 · 4 obs

○ 2026-03-06 21:41:06
● 2026-06-21 01:00:08
○ 2026-07-25 23:05:20
○ 2026-07-25 23:05:22

○NSns2.alidns.com2026-06-21 → 2026-06-21 · 4 obs

○ 2026-03-06 21:41:06
● 2026-06-21 01:00:08
○ 2026-07-25 23:05:20
○ 2026-07-25 23:05:22

●NSvip3.alidns.com2026-07-25 → 2026-07-25 · 3 obs

○ 2026-06-21 01:00:08
● 2026-07-25 23:05:20
● 2026-07-25 23:05:22

●NSvip4.alidns.com2026-07-25 → 2026-07-25 · 3 obs

○ 2026-06-21 01:00:08
● 2026-07-25 23:05:20
● 2026-07-25 23:05:22

●CNAMExuelangapp.com.w.cdngslb.com2026-03-06 → 2026-07-25 · 2 obs

● 2026-03-06 21:41:06
● 2026-07-25 23:05:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
xuelangapp.com	vip3.alidns.com, vip4.alidns.com	22 records

✅ Authoritative Response

Server:121.40.6.163

NS records: vip3.alidns.com, vip4.alidns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for xuelangapp.com (unsigned zone)

⏱️ Timing

Total: 615ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`vip3.alidns.com, vip4.alidns.com`
CNAME	1	`xuelangapp.com.w.cdngslb.com`
SOA	1	`vip3.alidns.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 22

Out-of-bailiwick: 22 (vip3.alidns.com, vip3.alidns.com, vip3.alidns.com...)

Analysis

IP Addresses

xuelangapp.com has 8 IP addresses — 163.181.60.201, 163.181.60.202, 163.181.60.203 and 5 more.

h5.icardfinancial.com.w.alikunlun.com, ads-i2.xhscdn.com.w.cdngslb.com, assets-cli.s5.udesk.cn.w.cdngslb.com and two other host names share IP numbers with xuelangapp.com.

xuelangapp.com - robtex.com

xuelangapp.com

com