duoduo365.com - robtex.com

duoduo365.com

DNSSEC⚠️ Not signed
A49.233.239.111🇨🇳 TENCENT-NET-AP49.233.192.0/18 CT BeiJing IDC
NSdns11.hichina.com ⭐
A2408:4009:501::19🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.42🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
PTRip-39-96-153-42.defastlink.net
A39.96.153.52🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
PTRip-39-96-153-52.defastlink.net
A47.118.199.202🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
PTRip-47-118-199-202.defastlink.net
A47.118.199.212🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
PTRip-47-118-199-212.defastlink.net
A120.76.107.42🇨🇳 Alibaba-Cloud120.76.0.0/17
PTRip-120-76-107-42.defastlink.net
A120.76.107.52🇨🇳 Alibaba-Cloud120.76.0.0/17
PTRip-120-76-107-52.defastlink.net
A139.224.142.112🇨🇳 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,
PTRip-139-224-142-112.defastlink.net
A139.224.142.122🇨🇳 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,
PTRip-139-224-142-122.defastlink.net
NSdns12.hichina.com
A2408:4009:501::20🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.41🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
PTRip-39-96-153-41.defastlink.net
A39.96.153.51🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
PTRip-39-96-153-51.defastlink.net
A47.118.199.201🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
PTRip-47-118-199-201.defastlink.net
A47.118.199.211🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
PTRip-47-118-199-211.defastlink.net
A120.76.107.41🇨🇳 Alibaba-Cloud120.76.0.0/17
PTRip-120-76-107-41.defastlink.net
A120.76.107.51🇨🇳 Alibaba-Cloud120.76.0.0/17
PTRip-120-76-107-51.defastlink.net
A139.224.142.111🇨🇳 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,
PTRip-139-224-142-111.defastlink.net
A139.224.142.121🇨🇳 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,
PTRip-139-224-142-121.defastlink.net
MXmxbiz2.qq.com ⭐
A203.205.232.191🇭🇰 TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object
MXmxbiz1.qq.com(10)
A203.205.147.218🇭🇰 TENCENT-NET-AP-CN203.205.147.0/24 Proxy-registered route object
A203.205.232.191🇭🇰 TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object
SOAdns11.hichina.comhostmaster@hichina.com 2026-01-12 #9

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435
WOT: UNKNOWN (61/100)

Subdomains

defend-ch.duoduo365.com

Same first word

duoduo365.com

Similar names

doudou365.com
doudou365.net

DNS History

16 records (5 active, 11 former)

20162017201820192020202120222023202420252026NSdns11.hichina.comdns12.hichina.comdns1.iidns.comdns2.iidns.comdns3.iidns.comdns4.iidns.comdns5.iidns.comdns6.iidns.comns1642.ztomy.comns2642.ztomy.comMXmxbiz1.qq.commxbiz2.qq.comA49.233.239.111141.8.225.7547.88.9.10947.90.20.180
○NSdns1.iidns.com2015-08-22 → 2016-03-22 · 4 obs
● 2015-08-22 21:21:52
● 2016-03-22 08:26:48
○ 2016-09-17 00:02:30
○ 2026-03-09 09:44:44
●NSdns11.hichina.com2026-02-25 → 2026-03-09 · 3 obs
○ 2016-09-17 00:02:30
● 2026-02-25 09:49:40
● 2026-03-09 09:44:44
●NSdns12.hichina.com2026-02-25 → 2026-03-09 · 3 obs
○ 2016-09-17 00:02:30
● 2026-02-25 09:49:40
● 2026-03-09 09:44:44
○NSdns2.iidns.com2015-12-11 → 2016-03-22 · 5 obs
○ 2015-08-22 21:21:52
● 2015-12-11 22:19:16
● 2016-03-22 08:26:48
○ 2016-09-17 00:02:30
○ 2026-03-09 09:44:44
○NSdns3.iidns.com2015-12-11 → 2016-03-22 · 5 obs
○ 2015-08-22 21:21:52
● 2015-12-11 22:19:16
● 2016-03-22 08:26:48
○ 2016-09-17 00:02:30
○ 2026-03-09 09:44:44
○NSdns4.iidns.com2015-12-11 → 2016-03-22 · 5 obs
○ 2015-08-22 21:21:52
● 2015-12-11 22:19:16
● 2016-03-22 08:26:48
○ 2016-09-17 00:02:30
○ 2026-03-09 09:44:44
○NSdns5.iidns.com2015-12-11 → 2016-03-22 · 5 obs
○ 2015-08-22 21:21:52
● 2015-12-11 22:19:16
● 2016-03-22 08:26:48
○ 2016-09-17 00:02:30
○ 2026-03-09 09:44:44
○NSdns6.iidns.com2015-12-11 → 2016-03-22 · 5 obs
○ 2015-08-22 21:21:52
● 2015-12-11 22:19:16
● 2016-03-22 08:26:48
○ 2016-09-17 00:02:30
○ 2026-03-09 09:44:44
○NSns1642.ztomy.com2016-09-17 → 2016-09-17 · 4 obs
○ 2016-03-22 08:26:48
● 2016-09-17 00:02:30
○ 2026-02-25 09:49:40
○ 2026-03-09 09:44:44
○NSns2642.ztomy.com2016-09-17 → 2016-09-17 · 4 obs
○ 2016-03-22 08:26:48
● 2016-09-17 00:02:30
○ 2026-02-25 09:49:40
○ 2026-03-09 09:44:44
●MXmxbiz1.qq.com2026-02-25 → 2026-03-09 · 2 obs
● 2026-02-25 09:49:40
● 2026-03-09 09:44:44
●MXmxbiz2.qq.com2026-02-25 → 2026-03-09 · 2 obs
● 2026-02-25 09:49:40
● 2026-03-09 09:44:44
○A141.8.225.752016-09-17 → 2016-09-17 · 3 obs
● 2016-09-17 00:02:30
○ 2017-04-10 18:16:38
○ 2026-03-09 09:44:44
○A47.88.9.1092017-04-10 → 2017-04-10 · 4 obs
○ 2016-09-17 00:02:30
● 2017-04-10 18:16:38
○ 2026-02-25 09:49:40
○ 2026-03-09 09:44:44
○A47.90.20.1802017-04-10 → 2017-04-10 · 4 obs
○ 2016-09-17 00:02:30
● 2017-04-10 18:16:38
○ 2026-02-25 09:49:40
○ 2026-03-09 09:44:44
●A49.233.239.1112026-02-25 → 2026-03-09 · 3 obs
○ 2017-04-10 18:16:38
● 2026-02-25 09:49:40
● 2026-03-09 09:44:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
duoduo365.comdns11.hichina.com, dns12.hichina.com18 records

✅ Authoritative Response

Server: 2408:4009:501::20

NS records: dns11.hichina.com, dns12.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duoduo365.com (unsigned zone)

⏱️ Timing

Total: 3059ms | Queries: -

📄 Records

TypeCountSample Data
A149.233.239.111
NS2dns11.hichina.com, dns12.hichina.com
MX2mxbiz1.qq.com (pri: 10), mxbiz2.qq.com (pri: 5)
SOA1dns11.hichina.com hostmaster.hichina.com

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns11.hichina.com, dns11.hichina.com, dns11.hichina.com...)

Analysis

Hierarchy

duoduo365.com is the parent of defend-ch.duoduo365.com.

IP Addresses

duoduo365.com points to a single IP number: 49.233.239.111.

Other host names, for instance defend-ch.duoduo365.com, share IP numbers with duoduo365.com.

Name Servers

duoduo365.com is delegated to two name servers: dns11.hichina.com and dns12.hichina.com.

duoduo365.com shares the same name server setup as other domains, for example ktkm.cn, scldz.cn, cn-county.com, zihoo.com and luzhuo.net.

duoduo365.com at least partially shares name servers with other domains, for instance wazi.org, kstyle.cn, 99seo.cn, antlend.com and glenol.net.

These name servers are commonly used with ns1.alidns.com, ns2.alidns.com, expirens3.hichina.com and expirens4.hichina.com.

Host names with nine IP numbers:

dns11.hichina.com points to: 2408:4009:501::19, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.

dns12.hichina.com points to: 2408:4009:501::20, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.

Mail Servers

duoduo365.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

duoduo365.com shares the same mail server setup as other domains, for instance home07.com, ecjtu.edu.cn, xqyj.com, bimcc.com and parrot.net.cn.

duoduo365.com shares mail servers with other domains at least partially, including sensorok.com, heerit.com, 1688jg.com, zlmade.com and youka04.com.

Host names with two IP numbers:

mxbiz1.qq.com points to 203.205.147.218 and 203.205.232.191.

Host names with one IP number:

mxbiz2.qq.com points to 203.205.232.191.

Names pointing to 203.205.232.191: mxbiz1.qq.com and mxbiz2.qq.com.