`zenner.com.cn`

DNSSEC	⚠️ Not signed
A	47.100.241.84^{🇨🇳 Alibaba-Cloud47.100.0.0/15}
NS	`dns.bizcn.com` ⭐
NS	`ns1.dns.com.cn`
		A	240c:4082:ffff:ff01:0:d:0:34a^{🇨🇳 Baidu240c:4082::/32}
		A	61.172.183.70^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
		A	61.240.129.114^{🇨🇳 CHINA169-Backbone61.240.128.0/19 CMI (Customer Route)}
NS	`ns2.dns.com.cn`
		A	240c:4082:ffff:ff01:0:d:0:69^{🇨🇳 Baidu240c:4082::/32}
		A	61.172.183.76^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
		A	61.240.129.147^{🇨🇳 CHINA169-Backbone61.240.128.0/19 CMI (Customer Route)}
MX	`cdn.corpemail.net` ⭐
		A	23.91.98.8^{🇺🇸 UCLOUD-123.91.98.0/24 ZL-IDC-UCLOUD-HKG}
			PTR	`sal605.corpemail.net`
		A	47.74.183.245^{🇸🇬 Alibaba-Cloud47.74.128.0/18 Alibaba.com Inc. 400 S El Camino Real Suite 400 San Mateo, CA94402 US}
			PTR	`sal604.corpemail.net`
		A	47.88.156.124^{🇸🇬 Alibaba-Cloud47.88.128.0/18 Alibaba CLoud}
			PTR	`sal603.corpemail.net`
		A	47.88.170.90^{🇸🇬 Alibaba-Cloud47.88.128.0/18 Alibaba CLoud}
			PTR	`sal601.corpemail.net`
		A	95.85.54.247^{🇳🇱 DIGITALOCEAN95.85.0.0/18 DigitalOcean}
			PTR	`inbound-603.protection.corpemail.net`
		A	159.100.25.64^{🇦🇹 AT-FIRSTCOLO159.100.24.0/22 First Colo via AS203833}
			PTR	`dd-cn2-101.corpemail.net`
		A	159.100.25.163^{🇦🇹 AT-FIRSTCOLO159.100.24.0/22 First Colo via AS203833}
			PTR	`dd-cn2-401.corpemail.net`
		A	159.100.25.212^{🇦🇹 AT-FIRSTCOLO159.100.24.0/22 First Colo via AS203833}
			PTR	`dd-cn2-402.corpemail.net`
		A	188.166.26.239^{🇳🇱 DIGITALOCEAN188.166.0.0/18 DigitalOcean}
			PTR	`inbound-602.protection.corpemail.net`
MX	`cdn.corp-email.cn`⁽¹⁰⁾
		A	47.88.156.124^{🇸🇬 Alibaba-Cloud47.88.128.0/18 Alibaba CLoud}
			PTR	`sal603.corpemail.net`
		A	95.85.28.238^{🇳🇱 DIGITALOCEAN95.85.0.0/18 DigitalOcean}
			PTR	`vip2-fastemail-cn.biz-email.net`
		A	178.62.221.58^{🇳🇱 DIGITALOCEAN178.62.192.0/18 DigitalOcean}
			PTR	`sgcdn94.corpemail.net`
		A	188.166.82.68^{🇳🇱 DIGITALOCEAN188.166.64.0/18 DigitalOcean}
			PTR	`inbound-601.protection.corpemail.net`
MX	`mail.biz-email.net`⁽¹⁵⁾
		A	222.73.234.229^{🇨🇳 SHANGHAITELECOM222.73.234.0/24 SHIDC}
			PTR	`mail.biz-email.net`
		A	222.73.234.234^{🇨🇳 SHANGHAITELECOM222.73.234.0/24 SHIDC}
			PTR	`mail.biz-email.net`
		A	222.73.234.236^{🇨🇳 SHANGHAITELECOM222.73.234.0/24 SHIDC}
			PTR	`mail.biz-email.net`
MX	`cnc.biz-email.net`⁽²⁰⁾
		A	210.51.26.140^{🇨🇳 CU-CN-AS210.51.26.0/24}
		A	210.51.26.150^{🇨🇳 CU-CN-AS210.51.26.0/24}
TXT	`airtable-verification=9d0d6d0fddfae9b3989ed2d07f995cf6`
TXT	`v=spf1 include:_s.corp-email.com -all`
TXT	`MS=3BABBAA7F34572D9B656C0E5FDCF2828448AA39C`
SOA	`dns.bizcn.com`abuse@bizcn.com serial=160

`com.cn`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.cn` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.cn` ⚠️ Not in parent delegation
	NS	`c.dns.cn` ⚠️ Not in parent delegation
	NS	`cns.cernet.net` ⚠️ Not in parent delegation
	NS	`d.dns.cn` ⚠️ Not in parent delegation
	NS	`e.dns.cn` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2030685598

WOT: NOT_SAFE (20/100)

Same first word

zenner.eu

zenner.com.br

zenner.dk

zenner.be

zenner.co.uk

zenner.net.pl

zenner.hu

zenner.fr

zenner.io

zenner.com.cn

zenner.net

zenner.cl

zenner.ru

zenner.fi

zenner.es

zenner.us

zenner.de

zenner.ir

zenner.lu

zenner.at

zenner.cz

zenner.com

zenner.com.pl

zenner.ch

zenner.com.au

Similar names

nerenz.info

renzen.de

renzen.net

nerenz.net

renzen.nl

rennez.at

zernne.com

ernzen.net

ernzen.eu

rennez.com

ernzen.de

nerzen.com

zenren.com

zenren.cn

DNS History

9 records (8 active, 1 former)

●NSdns.bizcn.com2016-12-26 → 2026-07-14 · 9 obs

○ 2016-12-09 07:43:30
● 2016-12-26 04:57:02
● 2019-03-31 02:56:50
○ 2026-04-16 04:49:10
● 2026-05-18 23:20:22
● 2026-05-26 00:33:42
○ 2026-06-06 21:41:14
● 2026-07-14 14:16:52
● 2026-07-14 17:39:48

●NSns1.dns.com.cn2015-08-09 → 2026-07-14 · 2 obs

● 2015-08-09 02:02:52
● 2026-07-14 17:39:48

●NSns2.dns.com.cn2015-08-09 → 2026-07-14 · 5 obs

● 2015-08-09 02:02:52
● 2016-12-09 07:43:30
○ 2016-12-26 04:57:02
● 2019-03-31 02:56:50
● 2026-07-14 17:39:48

●MXcdn.corp-email.cn2015-08-09 → 2026-07-14 · 9 obs

● 2015-08-09 02:02:52
● 2019-03-31 02:56:50
○ 2026-04-16 04:49:10
○ 2026-05-18 23:20:22
● 2026-05-24 00:28:04
● 2026-05-26 00:33:42
○ 2026-06-06 21:41:14
● 2026-07-14 14:16:52
● 2026-07-14 17:39:48

●MXcdn.corpemail.net2015-08-09 → 2026-07-14 · 9 obs

●MXcnc.biz-email.net2015-08-09 → 2026-07-14 · 9 obs

●MXmail.biz-email.net2015-08-09 → 2026-07-14 · 9 obs

○A210.16.186.812015-08-09 → 2019-03-31 · 4 obs

● 2015-08-09 02:02:52
● 2019-03-31 02:56:50
○ 2026-04-16 04:49:10
○ 2026-07-14 17:39:48

●A47.100.241.842026-05-18 → 2026-07-14 · 6 obs

○ 2026-04-16 04:49:10
● 2026-05-18 23:20:22
● 2026-05-26 00:33:42
○ 2026-06-06 21:41:14
● 2026-07-14 14:16:52
● 2026-07-14 17:39:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
zenner.com.cn	ns1.dns.com.cn, ns2.dns.com.cn	6 records

✅ Authoritative Response

Server:61.240.129.147

NS records: ns1.dns.com.cn, ns2.dns.com.cn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zenner.com.cn (unsigned zone)

⏱️ Timing

Total: 2693ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.100.241.84`
NS	2	`ns2.dns.com.cn, ns1.dns.com.cn`
MX	4	`cdn.corpemail.net (pri: 5), cdn.corp-email.cn (pri: 10)...`
TXT	3	`airtable-verification=9d0d6d0fddfae9b398, v=spf1 include:_s.corp-email.com -all...`
SOA	1	`dns.bizcn.com abuse.bizcn.com`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.dns.com.cn, ns1.dns.com.cn, ns1.dns.com.cn...)

Analysis

IP Addresses

zenner.com.cn resolves to one IP address: 47.100.241.84.

renfoschem.com, shhzhb.com, www.feilong.cn and two other host names share IP numbers with zenner.com.cn.

Name Servers

Three name servers are authoritative for zenner.com.cn: dns.bizcn.com, ns1.dns.com.cn and ns2.dns.com.cn.

zenner.com.cn shares at least some of its name servers with other domains, including suntochina.com, szlrh.com, yestarmicro.com and two others.

These name servers are frequently seen alongside ns7.cnmsn.net, ns8.cnmsn.net, ns13.dns.com.cn and 6 other name servers.

ns1.dns.com.cn and ns2.dns.com.cn each resolve to three IP addresses. ns1.dns.com.cn resolves to 61.172.183.70, 61.240.129.114 and 240c:4082:ffff:ff01:0:d:0:34a. ns2.dns.com.cn resolves to 61.172.183.76, 61.240.129.147 and 240c:4082:ffff:ff01:0:d:0:69.

Mail Servers

Four mail servers handle email for zenner.com.cn: cdn.corp-email.cn, cnc.biz-email.net, mail.biz-email.net and cdn.corpemail.net.

zenner.com.cn has at least partial mail server overlap with other domains such as bridgedatacentres.com, dtw.com.cn, cadven.com and two more.

These mail servers frequently appear alongside the mail servers mdn.corp-email.cn and mdn.corpemail.net.

Hostnames that resolve to 9 IP addresses:

cdn.corpemail.net carries IP addresses 23.91.98.8, 47.74.183.245 and 47.88.156.124, with 6 other addresses beyond those.

Hosts that point to four IP numbers:

cdn.corp-email.cn points to 47.88.156.124, 95.85.28.238, 178.62.221.58 and 188.166.82.68.

Hostnames that resolve to three IP addresses:

mail.biz-email.net resolves to three addresses: 222.73.234.229, 222.73.234.234 and 222.73.234.236.

Hostnames that resolve to two IP addresses:

cnc.biz-email.net maps to two IP addresses — 210.51.26.140 and 210.51.26.150.

These two host names — cdn.corpemail.net and cdn.corp-email.cn — each point to 47.88.156.124 IP addresses.

zenner.com.cn - robtex.com

zenner.com.cn

com.cn