2dou.com.cn - robtex.com
2dou.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.240.33.126🇭🇰 HKMTC-AS-AP156.240.32.0/20 Hong Kong megalayer | ||||||
| NS | ns1.nowcndns.com ⭐ | ||||||
| A | 1.193.216.204🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network | ||||||
| A | 218.98.111.129🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 218.98.111.138🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | ns2.nowcndns.com | ||||||
| A | 61.158.128.11🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network | ||||||
| PTR | 11.128.158.61.ha.cnc | ||||||
| A | 183.253.57.202🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.38🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
| SOA | ns1.nowcndns.comadmin@nowcndns.com serial=1760699458 | ||||||
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.cnroot@cnnic.cn serial=2030477275 | ||||||
Same first word
Similar names
dou2.ru |
dou2.com |
u2do.com |
2duo.de |
2duo.com |
do2u.net |
duo2.net |
do2u.ro |
duo2.com.br |
do2u.org |
duo2.de |
2duo.nl |
duo2.tv |
duo2.me |
oud2.com |
duo2.com |
udo2.com |
2odu.com |
duo2.nu |
duo2.com.au |
do2u.com |
DNS History
14 records (3 active, 11 former)
○NSns1.cnspeed.com2015-11-20 → 2016-05-09 · 4 obs
● 2015-11-20 12:50:16
● 2016-05-09 02:55:52
○ 2017-01-27 23:36:06
○ 2026-03-26 00:01:54
● 2016-05-09 02:55:52
○ 2017-01-27 23:36:06
○ 2026-03-26 00:01:54
○NSns1.myhostadmin.net2020-01-29 → 2020-01-29 · 4 obs
○ 2017-01-27 23:36:06
● 2020-01-29 03:50:14
○ 2026-02-18 04:50:20
○ 2026-03-26 00:01:54
● 2020-01-29 03:50:14
○ 2026-02-18 04:50:20
○ 2026-03-26 00:01:54
●NSns1.nowcndns.com2026-02-18 → 2026-03-26 · 3 obs
○ 2020-01-29 03:50:14
● 2026-02-18 04:50:20
● 2026-03-26 00:01:54
● 2026-02-18 04:50:20
● 2026-03-26 00:01:54
○NSns2.cnspeed.com2015-11-20 → 2016-05-09 · 4 obs
● 2015-11-20 12:50:16
● 2016-05-09 02:55:52
○ 2020-01-29 03:50:14
○ 2026-03-26 00:01:54
● 2016-05-09 02:55:52
○ 2020-01-29 03:50:14
○ 2026-03-26 00:01:54
○NSns2.myhostadmin.net2020-01-29 → 2020-01-29 · 4 obs
○ 2017-01-27 23:36:06
● 2020-01-29 03:50:14
○ 2026-02-18 04:50:20
○ 2026-03-26 00:01:54
● 2020-01-29 03:50:14
○ 2026-02-18 04:50:20
○ 2026-03-26 00:01:54
●NSns2.nowcndns.com2026-02-18 → 2026-03-26 · 3 obs
○ 2020-01-29 03:50:14
● 2026-02-18 04:50:20
● 2026-03-26 00:01:54
● 2026-02-18 04:50:20
● 2026-03-26 00:01:54
○NSns3.myhostadmin.net2020-01-29 → 2020-01-29 · 4 obs
○ 2017-01-27 23:36:06
● 2020-01-29 03:50:14
○ 2026-02-18 04:50:20
○ 2026-03-26 00:01:54
● 2020-01-29 03:50:14
○ 2026-02-18 04:50:20
○ 2026-03-26 00:01:54
○NSns4.myhostadmin.net2020-01-29 → 2020-01-29 · 4 obs
○ 2017-01-27 23:36:06
● 2020-01-29 03:50:14
○ 2026-02-18 04:50:20
○ 2026-03-26 00:01:54
● 2020-01-29 03:50:14
○ 2026-02-18 04:50:20
○ 2026-03-26 00:01:54
○NSns5.myhostadmin.net2020-01-29 → 2020-01-29 · 4 obs
○ 2017-01-27 23:36:06
● 2020-01-29 03:50:14
○ 2026-02-18 04:50:20
○ 2026-03-26 00:01:54
● 2020-01-29 03:50:14
○ 2026-02-18 04:50:20
○ 2026-03-26 00:01:54
○NSns6.myhostadmin.net2020-01-29 → 2020-01-29 · 4 obs
○ 2017-01-27 23:36:06
● 2020-01-29 03:50:14
○ 2026-02-18 04:50:20
○ 2026-03-26 00:01:54
● 2020-01-29 03:50:14
○ 2026-02-18 04:50:20
○ 2026-03-26 00:01:54
○NSv1s1.xundns.com2017-01-27 → 2017-01-27 · 4 obs
○ 2016-05-09 02:55:52
● 2017-01-27 23:36:06
○ 2020-01-29 03:50:14
○ 2026-03-26 00:01:54
● 2017-01-27 23:36:06
○ 2020-01-29 03:50:14
○ 2026-03-26 00:01:54
○A154.91.154.1962020-01-29 → 2020-01-29 · 4 obs
○ 2017-01-27 23:36:06
● 2020-01-29 03:50:14
○ 2026-02-18 04:50:20
○ 2026-03-26 00:01:54
● 2020-01-29 03:50:14
○ 2026-02-18 04:50:20
○ 2026-03-26 00:01:54
●A156.240.33.1262026-02-18 → 2026-03-26 · 3 obs
○ 2020-01-29 03:50:14
● 2026-02-18 04:50:20
● 2026-03-26 00:01:54
● 2026-02-18 04:50:20
● 2026-03-26 00:01:54
○A222.76.217.152015-07-14 → 2016-05-09 · 4 obs
● 2015-07-14 17:34:20
● 2016-05-09 02:55:52
○ 2017-01-27 23:36:06
○ 2026-03-26 00:01:54
● 2016-05-09 02:55:52
○ 2017-01-27 23:36:06
○ 2026-03-26 00:01:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, d.dns.cn, a.dns.cn, e.dns.cn... | - |
| 2dou.com.cn | ns1.nowcndns.com, ns2.nowcndns.com | - |
✅ Authoritative Response
Server:218.98.111.129
NS records: ns1.nowcndns.com, ns2.nowcndns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 2dou.com.cn (unsigned zone)
⏱️ Timing
Total: 1420ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.240.33.126 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
Analysis
IP Addresses
2dou.com.cn points to a single IP number: 156.240.33.126.
Other host names, for instance w-17954.zhejiangyiwuwanjuqiqiupifa.oxfordimmunotec.org.cn, w-y3jx35.baobaowanjupifawang.oxfordimmunotec.org.cn and oxfordimmunotec.org.cn share IP numbers with 2dou.com.cn.
Name Servers
2dou.com.cn is delegated to two name servers: ns1.nowcndns.com and ns2.nowcndns.com.
2dou.com.cn uses the same name server setup as other domains, for instance gbgzsb.cn, hflhk.cn, bupasi.cn, dcjok18.cn and aghair.cn.
Host names with three IP numbers: ns1.nowcndns.com points to 1.193.216.204, 218.98.111.129 and 218.98.111.138; ns2.nowcndns.com points to 61.158.128.11, 183.253.57.202 and 211.99.99.38.