`imubu.com`

DNSSEC	⚠️ Not signed
A	180.184.178.163^{🇨🇳 SHANGHAITELECOM180.184.176.0/21 CMI (Customer Route)}
NS	`dns19.hichina.com` ⭐
		A	2408:4009:501::27^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.40^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.60^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.200^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.220^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.40^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.60^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.100^{🇨🇳 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	139.224.142.110^{🇨🇳 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	`dns20.hichina.com`
		A	2408:4009:501::28^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.38^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.61^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.198^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.222^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.38^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.61^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.98^{🇨🇳 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	139.224.142.108^{🇨🇳 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,}
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=00pHY4i4CkNg5WybuWPQ`
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
SOA	`dns19.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`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=1774662362

Same first word

imubu.com

Similar names

buium.ca

ubumi.dk

umibu.com

buumi.net

bimuu.co

umbiu.com

bumiu.cn

ubumi.org

ubumi.com

buumi.fi

ubium.net

mibuu.com

buium.com

mubiu.ru

biuum.com

bumiu.com

ibumu.com

ibumu.s3.amazonaws.com

biuum.co.kr

bumiu.net

buumi.cn

imbuu.com

uuibm.com

muubi.com

buumi.com

DNS History

10 records (6 active, 4 former)

●NSdns19.hichina.com2026-03-26 → 2026-03-28 · 3 obs

○ 2016-04-01 08:46:06
● 2026-03-26 12:37:56
● 2026-03-28 01:50:08

●NSdns20.hichina.com2026-03-26 → 2026-03-28 · 3 obs

○ 2016-04-01 08:46:06
● 2026-03-26 12:37:56
● 2026-03-28 01:50:08

○NSns13.dns.com.cn2015-12-05 → 2016-04-01 · 5 obs

○ 2015-08-05 18:07:18
● 2015-12-05 02:24:38
● 2016-04-01 08:46:06
○ 2026-03-26 12:37:56
○ 2026-03-28 01:50:08

○NSns14.dns.com.cn2015-12-05 → 2016-04-01 · 5 obs

○ 2015-08-05 18:07:18
● 2015-12-05 02:24:38
● 2016-04-01 08:46:06
○ 2026-03-26 12:37:56
○ 2026-03-28 01:50:08

○NSns2.dns.com.cn2015-08-05 → 2016-04-01 · 4 obs

● 2015-08-05 18:07:18
● 2016-04-01 08:46:06
○ 2026-03-26 12:37:56
○ 2026-03-28 01:50:08

●MXmx1.feishu.cn2026-03-26 → 2026-03-28 · 2 obs

● 2026-03-26 12:37:56
● 2026-03-28 01:50:08

●MXmx2.feishu.cn2026-03-26 → 2026-03-28 · 2 obs

● 2026-03-26 12:37:56
● 2026-03-28 01:50:08

●MXmx3.feishu.cn2026-03-26 → 2026-03-28 · 2 obs

● 2026-03-26 12:37:56
● 2026-03-28 01:50:08

○A118.99.47.392015-08-05 → 2016-04-01 · 4 obs

● 2015-08-05 18:07:18
● 2016-04-01 08:46:06
○ 2026-03-26 12:37:56
○ 2026-03-28 01:50:08

●A180.184.178.1632026-03-26 → 2026-03-28 · 3 obs

○ 2016-04-01 08:46:06
● 2026-03-26 12:37:56
● 2026-03-28 01:50:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
imubu.com	dns19.hichina.com, dns20.hichina.com	18 records

✅ Authoritative Response

Server:47.118.199.222

NS records: dns19.hichina.com, dns20.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for imubu.com (unsigned zone)

⏱️ Timing

Total: 4169ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`180.184.178.163`
NS	2	`dns20.hichina.com, dns19.hichina.com`
MX	3	`mx3.feishu.cn (pri: 10), mx1.feishu.cn (pri: 1)...`
TXT	2	`v=spf1 +include:_netblocks.m.feishu.cn -, verification-code-site-App_feishu=00pHY4`
SOA	1	`dns19.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns19.hichina.com, dns19.hichina.com, dns19.hichina.com...)

Analysis

IP Addresses

imubu.com points to a single IP: 180.184.178.163.

Other host names, for instance mubu.com, www.mubu.com and api2.mubu.com share IP numbers with imubu.com.

Name Servers

Two name servers dns19.hichina.com and dns20.hichina.com handle delegation for imubu.com.

imubu.com uses the same name server setup as other domains, for example tjsslh.com, eastjob.cn, starblog.info, 66gmm.com and efrqo.cn.

imubu.com partially shares name servers with other domains; examples include bd536.cn, yxjs.org, weilaitech.cn, hbrllcc.com and catltech.com.

These name servers are commonly used with expirens3.hichina.com, expirens4.hichina.com and ns1.alidns.com.

Host names with nine IP numbers:

dns19.hichina.com points to: 2408:4009:501::27, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110.

dns20.hichina.com points to: 2408:4009:501::28, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.

Mail Servers

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

imubu.com shares some mail servers with other domains, at least partially, such as ribrus.com, zoneyet.com, ydzl.net, chinawayltd.com and krfile.com.