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`usersad.com`

DNSSEC	⚠️ Not signed
NS	`dns29.hichina.com` ⭐
		A	2408:4009:501::37^{🇨🇳 ALIBABA-CN-NET}
		A	39.96.153.39^{🇨🇳 ALIBABA-CN-NET}
		A	39.96.153.59^{🇨🇳 ALIBABA-CN-NET}
		A	47.118.199.199^{🇨🇳 ALIBABA-CN-NET}
		A	47.118.199.219^{🇨🇳 ALIBABA-CN-NET}
		A	120.76.107.39^{🇨🇳 ALIBABA-CN-NET}
		A	120.76.107.59^{🇨🇳 ALIBABA-CN-NET}
		A	139.224.142.99^{🇨🇳 ALIBABA-CN-NET}
		A	139.224.142.109^{🇨🇳 ALIBABA-CN-NET}
NS	`dns30.hichina.com`
		A	2408:4009:501::38^{🇨🇳 ALIBABA-CN-NET}
		A	39.96.153.37^{🇨🇳 ALIBABA-CN-NET}
		A	39.96.153.62^{🇨🇳 ALIBABA-CN-NET}
		A	47.118.199.197^{🇨🇳 ALIBABA-CN-NET}
		A	47.118.199.221^{🇨🇳 ALIBABA-CN-NET}
		A	120.76.107.37^{🇨🇳 ALIBABA-CN-NET}
		A	120.76.107.62^{🇨🇳 ALIBABA-CN-NET}
		A	139.224.142.102^{🇨🇳 ALIBABA-CN-NET}
		A	139.224.142.107^{🇨🇳 ALIBABA-CN-NET}
MX	`mx1.feishu.cn` ⭐
		A	52.220.106.220^{🇸🇬 Amazon}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN}
MX	`mx3.feishu.cn`⁽¹⁰⁾
		A	52.220.106.220^{🇸🇬 Amazon}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN}
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
TXT	`verification-code-site-App_feishu=MlrjlQRnQ8IHdtxWbWGM`
SOA	`dns29.hichina.com`hostmaster@hichina.com 2026-01-09 #13

`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=1770918430

Same first word

usersad.com

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🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net...	-
usersad.com	dns29.hichina.com, dns30.hichina.com	18 records

✅ Authoritative Response

Server: 2408:4009:501::37

NS records: dns29.hichina.com, dns30.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for usersad.com (unsigned zone)

⏱️ Timing

Total: 3396ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns29.hichina.com, dns30.hichina.com`
MX	3	`mx3.feishu.cn (pri: 10), mx2.feishu.cn (pri: 5)...`
TXT	2	`v=spf1 +include:_netblocks.m.feishu.cn -, verification-code-site-App_feishu=MlrjlQ`
SOA	1	`dns29.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns29.hichina.com, dns29.hichina.com, dns29.hichina.com...)

AI analysis

Two name servers dns29.hichina.com and dns30.hichina.com handle the delegation for usersad.com.

usersad.com shares the same name server setup as other domains, for example grandforest.cn, gkgqcxx.com, longwenli.net, boan1.com and sjcclub.com.

usersad.com at least partially shares name servers with other domains, for example wawe.info, 123456ok.com and 058178.com.

These name servers are often used together with expirens3.hichina.com and expirens4.hichina.com.

Host names with nine IP numbers: dns29.hichina.com points to: 2408:4009:501::37, 39.96.153.39, 39.96.153.59, 47.118.199.199, 47.118.199.219, 120.76.107.39, 120.76.107.59, 139.224.142.99 and 139.224.142.109; dns30.hichina.com points to: 2408:4009:501::38, 39.96.153.37, 39.96.153.62, 47.118.199.197, 47.118.199.221, 120.76.107.37, 120.76.107.62, 139.224.142.102 and 139.224.142.107.

usersad.com is handled by three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

usersad.com shares at least partially some mail servers with other domains, for instance femi.top, ebmss.com, imagemover.ai, shiyiyx.com and fpv.im.

Host names with three IP numbers: mx3.feishu.cn points to 52.220.106.220, 101.126.58.225 and 122.14.229.0.

Host names with two IP numbers: mx2.feishu.cn points to 101.126.58.225 and 122.14.229.0.

Host names with one IP number: mx1.feishu.cn points to 52.220.106.220.

Host names pointing to 52.220.106.220: mx3.feishu.cn and mx1.feishu.cn.

Host names pointing to 101.126.58.225: mx3.feishu.cn and mx2.feishu.cn.

Host names pointing to 122.14.229.0: mx3.feishu.cn and mx2.feishu.cn.