msbu.com - dns.ninja

`msbu.com`

DNSSEC	⚠️ Not signed
A	139.224.66.66^{🇨🇳 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	`dns21.hichina.com` ⭐
		A	2408:4009:501::29^{🇨🇳 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	`dns22.hichina.com`
		A	2408:4009:501::30^{🇨🇳 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}
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}
		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	`v=spf1 +include:_netblocks.m.feishu.cn -all`
TXT	`verification-code-site-App_feishu=A38WOfL0pV5Gj5rhML5Y`
SOA	`dns21.hichina.com`hostmaster@hichina.com 2026-06-04 #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=1783077716

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DNS History

15 records (6 active, 9 former)

●NSdns21.hichina.com2026-04-15 → 2026-07-03 · 3 obs

○ 2017-03-28 11:31:08
● 2026-04-15 10:07:40
● 2026-07-03 11:52:22

●NSdns22.hichina.com2026-04-15 → 2026-07-03 · 3 obs

○ 2017-03-28 11:31:08
● 2026-04-15 10:07:40
● 2026-07-03 11:52:22

○NSns1.bodis.com2015-07-20 → 2017-03-28 · 5 obs

○ 2008-03-18 18:34:56
● 2015-07-20 19:46:20
● 2017-03-28 11:31:08
○ 2026-04-15 10:07:40
○ 2026-07-03 11:52:22

○NSns1.interimnameserver.com2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 18:34:56
○ 2015-07-20 19:46:20
○ 2026-07-03 11:52:22

○NSns2.bodis.com2015-07-20 → 2017-03-28 · 5 obs

○ 2008-03-18 18:34:56
● 2015-07-20 19:46:20
● 2017-03-28 11:31:08
○ 2026-04-15 10:07:40
○ 2026-07-03 11:52:22

○NSns2.interimnameserver.com2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 18:34:56
○ 2015-07-20 19:46:20
○ 2026-07-03 11:52:22

●MXmx1.feishu.cn2026-04-15 → 2026-07-03 · 3 obs

○ 2017-03-28 11:31:08
● 2026-04-15 10:07:40
● 2026-07-03 11:52:22

●MXmx2.feishu.cn2026-04-15 → 2026-07-03 · 3 obs

○ 2017-03-28 11:31:08
● 2026-04-15 10:07:40
● 2026-07-03 11:52:22

●MXmx3.feishu.cn2026-04-15 → 2026-07-03 · 3 obs

○ 2017-03-28 11:31:08
● 2026-04-15 10:07:40
● 2026-07-03 11:52:22

○MXmx76.m2bp.com2017-03-28 → 2017-03-28 · 3 obs

● 2017-03-28 11:31:08
○ 2026-04-15 10:07:40
○ 2026-07-03 11:52:22

○MXmx76.mb1p.com2017-03-28 → 2017-03-28 · 3 obs

● 2017-03-28 11:31:08
○ 2026-04-15 10:07:40
○ 2026-07-03 11:52:22

●A139.224.66.662026-04-15 → 2026-07-03 · 3 obs

○ 2017-03-28 11:31:08
● 2026-04-15 10:07:40
● 2026-07-03 11:52:22

○A199.59.242.1502017-03-28 → 2017-03-28 · 4 obs

○ 2016-07-10 09:43:54
● 2017-03-28 11:31:08
○ 2026-04-15 10:07:40
○ 2026-07-03 11:52:22

○A199.59.243.1202015-07-20 → 2016-07-10 · 5 obs

○ 2008-03-18 18:34:56
● 2015-07-20 19:46:20
● 2016-07-10 09:43:54
○ 2017-03-28 11:31:08
○ 2026-07-03 11:52:22

○A207.189.109.372008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 18:34:56
○ 2015-07-20 19:46:20
○ 2026-07-03 11:52:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net...	-
msbu.com	dns21.hichina.com, dns22.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.40

NS records: dns21.hichina.com, dns22.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for msbu.com (unsigned zone)

⏱️ Timing

Total: 539ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`139.224.66.66`
NS	2	`dns21.hichina.com, dns22.hichina.com`
MX	3	`mx1.feishu.cn (pri: 1), mx2.feishu.cn (pri: 5)...`
TXT	2	`verification-code-site-App_feishu=A38WOf, v=spf1 +include:_netblocks.m.feishu.cn -`
SOA	1	`dns21.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns21.hichina.com, dns21.hichina.com, dns21.hichina.com...)

Analysis

IP Addresses

msbu.com directs to one IP number, which is 139.224.66.66.

zpit.com, ibiokey.com, 1em.com and www.1em.com are among the host names that share IP numbers with msbu.com.

Name Servers

msbu.com has two authoritative name servers — dns21.hichina.com and dns22.hichina.com.

msbu.com has the same name server delegation as a number of other domains, such as googlejjkfq.com, handnn.com, tzhanji.com and two more.

msbu.com partially shares its NS delegation with several other domains, including zhejie.net, zfjmtd.com, daitong.com and two others.

These name servers regularly co-occur with the name servers expirens3.hichina.com, expirens4.hichina.com and ns1.alidns.com.

Host names resolving to 9 IP numbers:

dns21.hichina.com points to 39.96.153.40, 39.96.153.60, 47.118.199.200 and 6 other IP addresses.

dns22.hichina.com points to 39.96.153.38, 39.96.153.61, 47.118.199.198 and 6 other IP addresses.

Mail Servers

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

msbu.com shares at least some of its mail servers with other domains — for example andelulu.com, talatex.com, cyberserval.tech and two more.

The mail servers mxbiz1.qq.com and mxbiz2.qq.com regularly co-occur with these mail servers.

Hosts with three IP address records:

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

Hosts with two IP numbers each:

mx2.feishu.cn resolves to 101.126.58.225 and 122.14.229.0.

Hosts that resolve to one IP address:

mx1.feishu.cn resolves to 52.220.106.220.

The host names mx3.feishu.cn and mx1.feishu.cn both resolve to 52.220.106.220 IP addresses.

The host names mx3.feishu.cn and mx2.feishu.cn both resolve to 101.126.58.225 IP addresses.

The host names mx3.feishu.cn and mx2.feishu.cn both resolve to 122.14.229.0 IP addresses.