`stairmed.com`

DNSSEC	⚠️ Not signed
A	101.133.153.105^{🇨🇳 Alibaba-Cloud101.133.0.0/16 Alibaba (US) Technology Co., Ltd.}
A	139.224.28.151^{🇨🇳 Alibaba-Cloud139.224.0.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`vip3.alidns.com` ⭐
		A	2408:4009:500::3^{🇨🇳 Alibaba-Cloud2408:4009:500::/48 Alibaba Group}
		A	8.212.93.3^{🇭🇰 Alibaba_Cloud_SEC8.212.93.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	140.205.1.5^{🇨🇳 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	170.33.32.210^{🇸🇬 Alibaba_Cloud_SEC170.33.32.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.40.136^{🇸🇬 Alibaba_Cloud_SEC170.33.40.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.73.26^{🇸🇬 Alibaba_Cloud_SEC170.33.73.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.80.10^{🇸🇬 Alibaba_Cloud_SEC170.33.80.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
NS	`vip4.alidns.com`
		A	2408:4009:500::4^{🇨🇳 Alibaba-Cloud2408:4009:500::/48 Alibaba Group}
		A	8.212.93.4^{🇭🇰 Alibaba_Cloud_SEC8.212.93.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	140.205.1.6^{🇨🇳 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	170.33.32.211^{🇸🇬 Alibaba_Cloud_SEC170.33.32.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.40.137^{🇸🇬 Alibaba_Cloud_SEC170.33.40.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.73.27^{🇸🇬 Alibaba_Cloud_SEC170.33.73.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.80.11^{🇸🇬 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	`globalsign-domain-verification=jIAG0UzolHA5LloI0lvvr9RWWGCZ6z9WV0z1iAVsQ_`
TXT	`3aaafc24d7ad2592d5ceddbd1e969d46a0e8165ea26dfd0543927d7d79051ceb`
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
TXT	`apple-domain-verification=6ia(0x54493735)D9x9HjRbb`
TXT	`verification-code-site-App_feishu=iCs9KU9weFv4D4e5Pah0`
SOA	`vip3.alidns.com`hostmaster@hichina.com 2026-06-04 #12

`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=1784365562

Same first word

stairmed.com

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DNS History

7 records (7 active, 0 former)

●NSvip3.alidns.com2026-05-22 → 2026-07-18 · 2 obs

● 2026-05-22 21:03:16
● 2026-07-18 09:19:06

●NSvip4.alidns.com2026-05-22 → 2026-07-18 · 2 obs

● 2026-05-22 21:03:16
● 2026-07-18 09:19:06

●MXmx1.feishu.cn2026-05-22 → 2026-07-18 · 2 obs

● 2026-05-22 21:03:16
● 2026-07-18 09:19:06

●MXmx2.feishu.cn2026-05-22 → 2026-07-18 · 2 obs

● 2026-05-22 21:03:16
● 2026-07-18 09:19:06

●MXmx3.feishu.cn2026-05-22 → 2026-07-18 · 2 obs

● 2026-05-22 21:03:16
● 2026-07-18 09:19:06

●A101.133.153.1052026-05-22 → 2026-07-18 · 2 obs

● 2026-05-22 21:03:16
● 2026-07-18 09:19:06

●A139.224.28.1512026-05-22 → 2026-07-18 · 2 obs

● 2026-05-22 21:03:16
● 2026-07-18 09:19:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
stairmed.com	vip3.alidns.com, vip4.alidns.com	22 records

✅ Authoritative Response

Server:121.40.6.164

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stairmed.com (unsigned zone)

⏱️ Timing

Total: 4271ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`101.133.153.105, 139.224.28.151`
NS	2	`vip3.alidns.com, vip4.alidns.com`
MX	3	`mx3.feishu.cn (pri: 10), mx2.feishu.cn (pri: 5)...`
TXT	5	`apple-domain-verification=6ia(0x54493735)D9x9HjR, verification-code-site-App_feishu=iCs9KU...`
SOA	1	`vip3.alidns.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 22

Out-of-bailiwick: 22 (vip3.alidns.com, vip3.alidns.com, vip3.alidns.com...)

Analysis

IP Addresses

stairmed.com resolves to the IP addresses 101.133.153.105 and 139.224.28.151

Name Servers

stairmed.com is delegated to two name servers: vip3.alidns.com and vip4.alidns.com.

The name server configuration of stairmed.com is shared with other domains, for instance shuangyuxingqiu.com, cf5cdn.com, houduniot.com and two others.

stairmed.com partially shares its name servers with domains like globalfm.cn and pousheng.com.

Hosts with 7 IP addresses each:

vip3.alidns.com resolves to 8.212.93.3, 140.205.1.5, 170.33.32.210 and 4 other IP addresses.

vip4.alidns.com resolves to 8.212.93.4, 140.205.1.6, 170.33.32.211 and 4 other IP addresses.

Mail Servers

stairmed.com uses three mail servers — mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

At least some of the mail servers used by stairmed.com are shared with other domains: morizero.com, easye2e.com, kily.ph and two others among them.

Host names carrying three IP numbers:

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

Host names pointing to two IP addresses:

mx2.feishu.cn points to 101.126.58.225 and 122.14.229.0.

Host names resolving to a single 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.

stairmed.com - robtex.com

stairmed.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`stairmed.com`

`com`