`crttennis.com`

DNSSEC	⚠️ Not signed
A	154.91.99.172^{🇸🇨 TCLOUDNET154.91.99.0/24 Tcloudnet, Inc}
NS	`ns1.alidns.com` ⭐
		A	2408:4009:501::1^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.45^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.55^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.205^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.215^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.45^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.55^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.115^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.125^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`ns2.alidns.com`
		A	2408:4009:501::2^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.46^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.56^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.206^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.216^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.46^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.56^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.116^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.126^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
SOA	`ns1.alidns.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=1776065947

WOT: SAFE (62/100)

Subdomains

www.crttennis.com

Same first word

crttennis.com

DNS History

5 records (3 active, 2 former)

○NSdns21.hichina.com2015-05-27 → 2017-06-21 · 4 obs

● 2015-05-27 07:31:32
● 2017-06-21 03:02:34
○ 2026-04-07 10:23:20
○ 2026-04-13 08:02:46

○NSdns22.hichina.com2015-05-27 → 2017-06-21 · 4 obs

● 2015-05-27 07:31:32
● 2017-06-21 03:02:34
○ 2026-04-07 10:23:20
○ 2026-04-13 08:02:46

●NSns1.alidns.com2026-04-07 → 2026-04-13 · 3 obs

○ 2017-06-21 03:02:34
● 2026-04-07 10:23:20
● 2026-04-13 08:02:46

●NSns2.alidns.com2026-04-07 → 2026-04-13 · 3 obs

○ 2017-06-21 03:02:34
● 2026-04-07 10:23:20
● 2026-04-13 08:02:46

●A154.91.99.1722026-04-07 → 2026-04-13 · 2 obs

● 2026-04-07 10:23:20
● 2026-04-13 08:02:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
crttennis.com	ns1.alidns.com, ns2.alidns.com	18 records

✅ Authoritative Response

Server:120.76.107.45

NS records: ns1.alidns.com, ns2.alidns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crttennis.com (unsigned zone)

⏱️ Timing

Total: 3530ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`154.91.99.172`
NS	2	`ns2.alidns.com, ns1.alidns.com`
SOA	1	`ns1.alidns.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (ns1.alidns.com, ns1.alidns.com, ns1.alidns.com...)

Analysis

Hierarchy

The parent of www.crttennis.com is crttennis.com.

IP Addresses

crttennis.com points to an IP address: 154.91.99.172.

Other host names, for instance www.crttennis.com, share IP numbers with crttennis.com.

Name Servers

Two name servers ns1.alidns.com and ns2.alidns.com handle the delegation for crttennis.com.

crttennis.com shares the same name server setup as other domains, for instance 51wb.com, 297334.com, 89c6476681022.beer, 48927132c1009.beer and 59e808fff10251.beer.

crttennis.com at least partially shares name servers with other domains, for instance chawowang.com, mxwl.cn, chinainfor.com, exunit.com and 38512.cc.

These name servers are commonly used with the name servers dns10.hichina.com, dns9.hichina.com, ns7.alidns.com, ns8.alidns.com, dns15.hichina.com, dns16.hichina.com, dns13.hichina.com and dns14.hichina.com.

Host names with nine IP numbers:

ns1.alidns.com points to: 2408:4009:501::1, 39.96.153.45, 39.96.153.55, 47.118.199.205, 47.118.199.215, 120.76.107.45, 120.76.107.55, 139.224.142.115 and 139.224.142.125.

ns2.alidns.com points to: 2408:4009:501::2, 39.96.153.46, 39.96.153.56, 47.118.199.206, 47.118.199.216, 120.76.107.46, 120.76.107.56, 139.224.142.116 and 139.224.142.126.

crttennis.com - robtex.com

crttennis.com

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