`cathaycare.com`

DNSSEC	⚠️ Not signed
NS	`vip1.alidns.com` ⭐
		A	2408:4009:500::1^{🇨🇳 Alibaba-Cloud2408:4009:500::/48 Alibaba Group}
		A	8.212.93.1^{🇭🇰 Alibaba_Cloud_SEC8.212.93.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	140.205.1.1^{🇨🇳 Alibaba-Cloud140.205.1.0/24 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	170.33.32.208^{🇸🇬 Alibaba_Cloud_SEC170.33.32.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.73.24^{🇸🇬 Alibaba_Cloud_SEC170.33.73.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.80.8^{🇸🇬 Alibaba_Cloud_SEC170.33.80.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
NS	`vip2.alidns.com`
		A	2408:4009:500::2^{🇨🇳 Alibaba-Cloud2408:4009:500::/48 Alibaba Group}
		A	8.212.93.2^{🇭🇰 Alibaba_Cloud_SEC8.212.93.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	140.205.1.2^{🇨🇳 Alibaba-Cloud140.205.1.0/24 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	170.33.32.209^{🇸🇬 Alibaba_Cloud_SEC170.33.32.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.73.25^{🇸🇬 Alibaba_Cloud_SEC170.33.73.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.80.9^{🇸🇬 Alibaba_Cloud_SEC170.33.80.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
MX	`mx1.feishu.cn` ⭐
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
MX	`mx3.feishu.cn`⁽¹⁰⁾
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`verification-code-site-App_feishu=kjYRhuuUCBzoA2qlDOYq`
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
SOA	`vip1.alidns.com`hostmaster@hichina.com 2026-06-05 #11

`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=1784155652

Same first word

cathaycare.com

DNS History

10 records (5 active, 5 former)

○NSns63.domaincontrol.com2015-05-20 → 2017-05-30 · 4 obs

● 2015-05-20 21:00:14
● 2017-05-30 18:14:28
○ 2026-02-25 08:02:00
○ 2026-07-15 23:11:02

○NSns64.domaincontrol.com2015-05-20 → 2017-05-30 · 4 obs

● 2015-05-20 21:00:14
● 2017-05-30 18:14:28
○ 2026-02-25 08:02:00
○ 2026-07-15 23:11:02

●NSvip1.alidns.com2026-02-25 → 2026-07-15 · 3 obs

○ 2017-05-30 18:14:28
● 2026-02-25 08:02:00
● 2026-07-15 23:11:02

●NSvip2.alidns.com2026-02-25 → 2026-07-15 · 3 obs

○ 2017-05-30 18:14:28
● 2026-02-25 08:02:00
● 2026-07-15 23:11:02

○MXmailstore1.secureserver.net2015-05-20 → 2017-05-30 · 4 obs

● 2015-05-20 21:00:14
● 2017-05-30 18:14:28
○ 2026-02-25 08:02:00
○ 2026-07-15 23:11:02

●MXmx1.feishu.cn2026-02-25 → 2026-07-15 · 3 obs

○ 2017-05-30 18:14:28
● 2026-02-25 08:02:00
● 2026-07-15 23:11:02

●MXmx2.feishu.cn2026-02-25 → 2026-07-15 · 3 obs

○ 2017-05-30 18:14:28
● 2026-02-25 08:02:00
● 2026-07-15 23:11:02

●MXmx3.feishu.cn2026-02-25 → 2026-07-15 · 3 obs

○ 2017-05-30 18:14:28
● 2026-02-25 08:02:00
● 2026-07-15 23:11:02

○MXsmtp.secureserver.net2015-05-20 → 2017-05-30 · 4 obs

● 2015-05-20 21:00:14
● 2017-05-30 18:14:28
○ 2026-02-25 08:02:00
○ 2026-07-15 23:11:02

○A184.168.221.442015-05-20 → 2017-05-30 · 4 obs

● 2015-05-20 21:00:14
● 2017-05-30 18:14:28
○ 2026-02-25 08:02:00
○ 2026-07-15 23:11:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net, b.gtld-servers.net...	-
cathaycare.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 cathaycare.com (unsigned zone)

⏱️ Timing

Total: 607ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`vip2.alidns.com, vip1.alidns.com`
MX	3	`mx3.feishu.cn (pri: 10), mx2.feishu.cn (pri: 5)...`
TXT	2	`verification-code-site-App_feishu=kjYRhu, v=spf1 +include:_netblocks.m.feishu.cn -`
SOA	1	`vip1.alidns.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 20

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

Analysis

Name Servers

cathaycare.com is delegated to two name servers: vip1.alidns.com and vip2.alidns.com.

cathaycare.com shares its NS records with other domains, for example nb5.cn, ferrofluidtec.com, pd-gas.cn and two others.

The name servers of cathaycare.com overlap at least partially with those of other domains — among them shpri.com.cn, staticszh.com, 78ya.top and two more.

The name servers vip3.alidns.com, vip4.alidns.com and ns1.alidns.com are commonly seen alongside these name servers.

DNS names with 6 IP addresses:

vip1.alidns.com resolves to 8.212.93.1, 140.205.1.1, 170.33.32.208 and 3 other IP addresses.

vip2.alidns.com resolves to 8.212.93.2, 140.205.1.2, 170.33.32.209 and 3 other IP addresses.

Mail Servers

Mail for cathaycare.com is routed through three mail servers — mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

There is at least a partial MX overlap between cathaycare.com and other domains, including fittentech.com, workflos.ai, acmerlaser.com and two others.

Hostnames that map to three IP numbers:

mx3.feishu.cn points to 52.220.106.220, 101.126.58.225 and 122.14.229.0.

Host names that have two IP addresses:

mx2.feishu.cn points to 101.126.58.225 and 122.14.229.0.

Host names that point to one IP address:

mx1.feishu.cn points to 52.220.106.220.

mx3.feishu.cn and mx1.feishu.cn are host names that each point to 52.220.106.220 IP addresses.

mx3.feishu.cn and mx2.feishu.cn are host names that each point to 101.126.58.225 IP addresses.

mx3.feishu.cn and mx2.feishu.cn are host names that each point to 122.14.229.0 IP addresses.

cathaycare.com - robtex.com

cathaycare.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Name Servers

Mail Servers

`cathaycare.com`

`com`