`daoxuehao.com`

	CNAME	`alb-1pf20veb4b474845wfblsilaw.cn-beijing.volcenginealb.com`
	DNSSEC	⚠️ Not signed
	A	115.190.181.60^{🇨🇳 VOLCANO-ENGINE115.190.176.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
	A	115.190.181.227^{🇨🇳 VOLCANO-ENGINE115.190.176.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}

`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=1775657632

Subdomains

oss-private-cdn.daoxuehao.com

Same first word

daoxuehao.com

DNS History

11 records (7 active, 4 former)

○NSdns10.hichina.com2017-01-04 → 2020-10-12 · 4 obs

● 2017-01-04 23:22:44
● 2020-10-12 07:30:16
○ 2026-04-08 14:40:22
○ 2026-04-08 14:40:24

○NSdns9.hichina.com2017-01-04 → 2020-10-12 · 4 obs

● 2017-01-04 23:22:44
● 2020-10-12 07:30:16
○ 2026-04-08 14:40:22
○ 2026-04-08 14:40:24

●NSvip1.alidns.com2026-04-08 → 2026-04-08 · 3 obs

○ 2020-10-12 07:30:16
● 2026-04-08 14:40:22
● 2026-04-08 14:40:24

●NSvip2.alidns.com2026-04-08 → 2026-04-08 · 3 obs

○ 2020-10-12 07:30:16
● 2026-04-08 14:40:22
● 2026-04-08 14:40:24

●NSvip3.alidns.com2026-04-08 → 2026-04-08 · 3 obs

○ 2020-10-12 07:30:16
● 2026-04-08 14:40:22
● 2026-04-08 14:40:24

●NSvip4.alidns.com2026-04-08 → 2026-04-08 · 3 obs

○ 2020-10-12 07:30:16
● 2026-04-08 14:40:22
● 2026-04-08 14:40:24

●MXmxn.mxhichina.com2017-01-04 → 2026-04-08 · 2 obs

● 2017-01-04 23:22:44
● 2026-04-08 14:40:24

●MXmxw.mxhichina.com2017-01-04 → 2026-04-08 · 2 obs

● 2017-01-04 23:22:44
● 2026-04-08 14:40:24

○A115.28.20.1742017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 23:22:44
○ 2018-01-07 07:02:06
○ 2026-04-08 14:40:24

○A121.42.252.2022018-01-07 → 2020-10-12 · 5 obs

○ 2017-01-04 23:22:44
● 2018-01-07 07:02:06
● 2020-10-12 07:30:16
○ 2026-04-08 14:40:22
○ 2026-04-08 14:40:24

●CNAMEalb-1pf20veb4b474845wfblsilaw.cn-beijing.volcenginealb.com2026-04-08 → 2026-04-08 · 2 obs

● 2026-04-08 14:40:22
● 2026-04-08 14:40:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net...	-
daoxuehao.com	vip1.alidns.com, vip2.alidns.com	20 records

✅ Authoritative Response

Server:121.40.6.162

NS records: vip1.alidns.com, vip2.alidns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for daoxuehao.com (unsigned zone)

⏱️ Timing

Total: 3410ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`vip4.alidns.com, vip3.alidns.com`
MX	2	`mxn.mxhichina.com (pri: 5), mxw.mxhichina.com (pri: 10)`
TXT	4	`v=spf1 include:spf.mxhichina.com -all, 504pjkfp7d8c0lxkfcwcjnt17zzlyghp...`
CNAME	1	`alb-1pf20veb4b474845wfblsilaw.cn-beijing`
SOA	1	`vip3.alidns.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 20

Out-of-bailiwick: 20 (vip1.alidns.com, vip1.alidns.com, vip1.alidns.com...)

Analysis

Hierarchy

daoxuehao.com is a parent of oss-private-cdn.daoxuehao.com.

IP Addresses

daoxuehao.com points to two IP numbers: 115.190.181.60 and 115.190.181.227.

daoxuehao.com - robtex.com

daoxuehao.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

`daoxuehao.com`

`com`