`900ppt.com`

DNSSEC	⚠️ Not signed
A	39.108.139.192^{🇨🇳 Alibaba-Cloud}
NS	`vip3.alidns.com` ⭐
		A	2408:4009:500::3^{🇨🇳 Alibaba-Cloud}
		A	8.212.93.3^{🇭🇰 Alibaba_Cloud_SEC}
		A	140.205.1.5^{🇨🇳 Alibaba-Cloud}
		A	170.33.32.210^{🇸🇬 Alibaba_Cloud_SEC}
		A	170.33.40.136^{🇸🇬 Alibaba_Cloud_SEC}
		A	170.33.73.26^{🇸🇬 Alibaba_Cloud_SEC}
		A	170.33.80.10^{🇸🇬 Alibaba_Cloud_SEC}
NS	`vip4.alidns.com`
		A	2408:4009:500::4^{🇨🇳 Alibaba-Cloud}
		A	8.212.93.4^{🇭🇰 Alibaba_Cloud_SEC}
		A	140.205.1.6^{🇨🇳 Alibaba-Cloud}
		A	170.33.32.211^{🇸🇬 Alibaba_Cloud_SEC}
		A	170.33.40.137^{🇸🇬 Alibaba_Cloud_SEC}
		A	170.33.73.27^{🇸🇬 Alibaba_Cloud_SEC}
		A	170.33.80.11^{🇸🇬 Alibaba_Cloud_SEC}
MX	`hzmx01.mxmail.netease.com` ⭐
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud}
			PTR	`ip-47-251-71-119.defastlink.net`
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud}
			PTR	`ip-47-251-84-126.defastlink.net`
MX	`mxn.mxhichina.com` ⭐
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud}
			PTR	`ip-47-246-137-47.defastlink.net`
MX	`hzmx02.mxmail.netease.com`⁽¹⁰⁾
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud}
			PTR	`ip-47-251-71-119.defastlink.net`
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud}
			PTR	`ip-47-251-84-126.defastlink.net`
MX	`mxw.mxhichina.com`⁽¹⁰⁾
		A	47.246.99.195^{🇺🇸 Alibaba-Cloud}
			PTR	`reachsmartdwell.com`
TXT	`google-site-verification=btmqJmbpnDxWj1eYxSqpcWNWh0_poH43qwTTjtrL9SQ`
TXT	`v=spf1 include:spf.163.com -all`
TXT	`v=spf1 include:spf.mxhichina.com -all`
TXT	`721a5db221dc3b7cbc90f3eb3b0a53422fecd17934dc2d10adf1d07b2a2cbd7`
SOA	`vip3.alidns.com`hostmaster@hichina.com 2026-01-07 #16

`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=1771291435

📈 Tranco rank: #501,031

Same first word

900ppt.com

DNS History

9 records (7 active, 2 former)

○NSdns1.hichina.com2017-09-09 → 2017-09-09 · 3 obs

● 2017-09-09 13:34:44
○ 2026-02-22 09:23:48
○ 2026-02-23 18:52:40

○NSdns2.hichina.com2017-09-09 → 2017-09-09 · 3 obs

● 2017-09-09 13:34:44
○ 2026-02-22 09:23:48
○ 2026-02-23 18:52:40

●NSvip3.alidns.com2026-02-22 → 2026-02-23 · 3 obs

○ 2017-09-09 13:34:44
● 2026-02-22 09:23:48
● 2026-02-23 18:52:40

●NSvip4.alidns.com2026-02-22 → 2026-02-23 · 3 obs

○ 2017-09-09 13:34:44
● 2026-02-22 09:23:48
● 2026-02-23 18:52:40

●MXhzmx01.mxmail.netease.com2026-02-22 → 2026-02-23 · 3 obs

○ 2017-09-09 13:34:44
● 2026-02-22 09:23:48
● 2026-02-23 18:52:40

●MXhzmx02.mxmail.netease.com2026-02-22 → 2026-02-23 · 3 obs

○ 2017-09-09 13:34:44
● 2026-02-22 09:23:48
● 2026-02-23 18:52:40

●MXmxn.mxhichina.com2017-09-09 → 2026-02-23 · 2 obs

● 2017-09-09 13:34:44
● 2026-02-23 18:52:40

●MXmxw.mxhichina.com2017-09-09 → 2026-02-23 · 2 obs

● 2017-09-09 13:34:44
● 2026-02-23 18:52:40

●A39.108.139.1922017-09-09 → 2026-02-23 · 2 obs

● 2017-09-09 13:34:44
● 2026-02-23 18:52:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
900ppt.com	vip3.alidns.com, vip4.alidns.com	-

✅ Authoritative Response

Server: 121.40.6.164

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 900ppt.com (unsigned zone)

⏱️ Timing

Total: 490ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`39.108.139.192`
NS	2	`vip4.alidns.com, vip3.alidns.com`
MX	4	`mxw.mxhichina.com (pri: 10), hzmx01.mxmail.netease.com (pri: 5)...`
TXT	4	`v=spf1 include:spf.mxhichina.com -all, v=spf1 include:spf.163.com -all...`
SOA	1	`vip3.alidns.com hostmaster.hichina.com`

AI analysis

900ppt.com points to a single IP number: 39.108.139.192.

Delegation for 900ppt.com rests with two name servers, vip3.alidns.com and vip4.alidns.com.

900ppt.com shares the same name server setup as other domains, including hdschools.org, teambition.net, xinduoad.com, mlbangbang.com and scdnhwc1.com.

900ppt.com at least partially shares name servers with other domains, for instance hx168.com.cn, vskit.tv, freqtek.com, 1course.cn and youxishequ.net.

These name servers are commonly used with vip1.alidns.com, vip2.alidns.com, ns3.dnsv4.com, ns4.dnsv4.com, ns1.huyatvns.com and ns2.huyatvns.com.

Host names with seven IP numbers:

vip3.alidns.com resolves to: 2408:4009:500::3, 8.212.93.3, 140.205.1.5, 170.33.32.210, 170.33.40.136, 170.33.73.26 and 170.33.80.10.

vip4.alidns.com resolves to: 2408:4009:500::4, 8.212.93.4, 140.205.1.6, 170.33.32.211, 170.33.40.137, 170.33.73.27 and 170.33.80.11.

900ppt.com is handled by four mail servers: mxn.mxhichina.com, mxw.mxhichina.com, hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.

900ppt.com shares mail servers with other domains at least in part, for instance matboard.cn, lanoedu.com, ergomaker.com, yijue-drilling.com and wieet.com.