`dunnu.com`

DNSSEC	⚠️ Not signed
A	175.178.229.160^{🇨🇳 TENCENT-NET-AP175.178.192.0/18}
NS	`ns1.cnolnic.com` ⭐
		A	240c:4082:0:5d01::4^{🇨🇳 Baidu240c:4082::/32}
		A	106.12.208.18^{🇨🇳 Baidu106.12.208.0/20 AS38365}
		A	218.5.79.117^{🇨🇳 CHINATELECOM-Fujian-Xiamen-IDC1218.5.72.0/21 厦门}
NS	`ns2.cnolnic.com`
		A	240c:4082:0:5d01::5^{🇨🇳 Baidu240c:4082::/32}
		A	106.12.205.190^{🇨🇳 Baidu106.12.192.0/20 AS38365}
		A	218.5.79.98^{🇨🇳 CHINATELECOM-Fujian-Xiamen-IDC1218.5.72.0/21 厦门}
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
TXT	`v=spf1 include:spf.mail.qq.com ~all`
SOA	`ns1.cnolnic.com`root@cnolnic.net 2006-11-24 #1

`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=1774812522

Subdomains

www.dunnu.com

Same first word

dunnu.cn

dunnu.com

Similar names

undnu.com

nnduu.com

undun.com

dnunu.com

nundu.ru

nudun.cn

unndu.com

dunun.cn

undnu.de

undun.eu

DNS History

8 records (5 active, 3 former)

●NSns1.cnolnic.com2015-07-09 → 2026-03-29 · 2 obs

● 2015-07-09 13:10:06
● 2026-03-29 19:56:38

●NSns2.cnolnic.com2015-07-09 → 2026-03-29 · 2 obs

● 2015-07-09 13:10:06
● 2026-03-29 19:56:38

○MXmail.dunnu.com2015-12-16 → 2017-04-20 · 5 obs

○ 2015-09-12 15:29:36
● 2015-12-16 11:31:24
● 2017-04-20 11:47:38
○ 2026-03-27 05:42:40
○ 2026-03-29 19:56:38

○MXmx.qiye.163.com2015-07-09 → 2015-09-12 · 4 obs

● 2015-07-09 13:10:06
● 2015-09-12 15:29:36
○ 2015-12-16 11:31:24
○ 2026-03-29 19:56:38

○MXmx2.qiye.163.com2015-07-09 → 2015-09-12 · 4 obs

● 2015-07-09 13:10:06
● 2015-09-12 15:29:36
○ 2015-12-16 11:31:24
○ 2026-03-29 19:56:38

●MXmxbiz1.qq.com2026-03-27 → 2026-03-29 · 3 obs

○ 2017-04-20 11:47:38
● 2026-03-27 05:42:40
● 2026-03-29 19:56:38

●MXmxbiz2.qq.com2026-03-27 → 2026-03-29 · 3 obs

○ 2017-04-20 11:47:38
● 2026-03-27 05:42:40
● 2026-03-29 19:56:38

●A175.178.229.1602026-03-27 → 2026-03-29 · 2 obs

● 2026-03-27 05:42:40
● 2026-03-29 19:56:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, i.gtld-servers.net, c.gtld-servers.net, k.gtld-servers.net...	-
dunnu.com	ns1.cnolnic.com, ns2.cnolnic.com	6 records

✅ Authoritative Response

Server:106.12.208.18

NS records: ns1.cnolnic.com, ns2.cnolnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dunnu.com (unsigned zone)

⏱️ Timing

Total: 848ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`175.178.229.160`
NS	2	`ns2.cnolnic.com, ns1.cnolnic.com`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
TXT	1	`v=spf1 include:spf.mail.qq.com ~all`
SOA	1	`ns1.cnolnic.com root.cnolnic.net`

📌 Glue Records Collected

Total: 6

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

Analysis

Hierarchy

dunnu.com is the parent of www.dunnu.com.

IP Addresses

dunnu.com resolves to a single IP: 175.178.229.160.

Other host names share IP numbers with dunnu.com; for instance cn2.xuansiwei.com.

Name Servers

dunnu.com has two name servers: ns1.cnolnic.com and ns2.cnolnic.com.

dunnu.com shares the same name server setup as other domains, for example cnjingjia.com, ehong.cn, taiyujsj.com, kingleong.com and nb18.net.

dunnu.com shares name servers with other domains to some extent, for example ontimecn.com.cn and stjpba.com.

These name servers are commonly used together with ns3.cnolnic.com and ns4.cnolnic.com.

Host names with three IP numbers: ns1.cnolnic.com points to 240c:4082:0:5d01::4, 106.12.208.18 and 218.5.79.117; ns2.cnolnic.com points to 240c:4082:0:5d01::5, 106.12.205.190 and 218.5.79.98.

Mail Servers

dunnu.com is served by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

dunnu.com shares the mail server setup with other domains, for example osxue.com, stsing.com, itcasa.cn, moresig.com and yszkc.com.

dunnu.com shares mail servers with other domains at least partially, for example yge.me, shudubus.net, php127.com and yiwang.com.

dunnu.com - robtex.com

dunnu.com

com