polytech.cn - robtex.com
polytech.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.218.240.184🇭🇰 UCLOUD-1103.218.240.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL, | ||||||
| A | 118.193.33.220🇭🇰 UCLOUD-1118.193.33.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL, | ||||||
| A | 118.193.37.94🇭🇰 UCLOUD-1118.193.37.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL, | ||||||
| A | 152.32.171.65🇭🇰 UCLOUD-1152.32.171.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL, | ||||||
| A | 154.85.60.150🇺🇸 BAIDU-1154.85.56.0/21 AS55967 | ||||||
| NS | pk3.22.cn ⚠️ Not in zone NS records | ||||||
| A | 39.101.68.48🇨🇳 Alibaba-Cloud39.100.0.0/14 CT BeiJing IDC | ||||||
| NS | pk4.22.cn ⚠️ Not in zone NS records | ||||||
| A | 39.101.68.48🇨🇳 Alibaba-Cloud39.100.0.0/14 CT BeiJing IDC | ||||||
cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034546407 | ||||||
Subdomains
mail.polytech.cn |
Same first word
Similar names
DNS History
13 records (7 active, 6 former)
○NSns.dns.net.cn2015-08-18 → 2017-04-21 · 7 obs
● 2015-08-18 03:41:28
● 2015-12-08 16:56:00
○ 2016-01-25 07:35:06
● 2016-04-12 00:45:46
● 2017-04-21 09:15:28
○ 2026-03-04 12:05:28
○ 2026-03-18 14:09:44
● 2015-12-08 16:56:00
○ 2016-01-25 07:35:06
● 2016-04-12 00:45:46
● 2017-04-21 09:15:28
○ 2026-03-04 12:05:28
○ 2026-03-18 14:09:44
○NSns20.dns.net.cn2015-08-18 → 2017-04-21 · 4 obs
● 2015-08-18 03:41:28
● 2017-04-21 09:15:28
○ 2026-03-04 12:05:28
○ 2026-03-18 14:09:44
● 2017-04-21 09:15:28
○ 2026-03-04 12:05:28
○ 2026-03-18 14:09:44
○NSns7.dns.net.cn2015-08-18 → 2017-04-21 · 7 obs
● 2015-08-18 03:41:28
○ 2015-12-08 16:56:00
● 2016-01-25 07:35:06
○ 2016-04-12 00:45:46
● 2017-04-21 09:15:28
○ 2026-03-04 12:05:28
○ 2026-03-18 14:09:44
○ 2015-12-08 16:56:00
● 2016-01-25 07:35:06
○ 2016-04-12 00:45:46
● 2017-04-21 09:15:28
○ 2026-03-04 12:05:28
○ 2026-03-18 14:09:44
●NSpk3.22.cn2026-03-04 → 2026-03-18 · 3 obs
○ 2017-04-21 09:15:28
● 2026-03-04 12:05:28
● 2026-03-18 14:09:44
● 2026-03-04 12:05:28
● 2026-03-18 14:09:44
●NSpk4.22.cn2026-03-04 → 2026-03-18 · 3 obs
○ 2017-04-21 09:15:28
● 2026-03-04 12:05:28
● 2026-03-18 14:09:44
● 2026-03-04 12:05:28
● 2026-03-18 14:09:44
○MXmail.polytech.cn2017-04-21 → 2017-04-21 · 4 obs
○ 2016-04-12 00:45:46
● 2017-04-21 09:15:28
○ 2026-03-04 12:05:28
○ 2026-03-18 14:09:44
● 2017-04-21 09:15:28
○ 2026-03-04 12:05:28
○ 2026-03-18 14:09:44
○MXmx.exmail.sina.com2015-08-18 → 2016-04-12 · 4 obs
● 2015-08-18 03:41:28
● 2016-04-12 00:45:46
○ 2017-04-21 09:15:28
○ 2026-03-18 14:09:44
● 2016-04-12 00:45:46
○ 2017-04-21 09:15:28
○ 2026-03-18 14:09:44
●A103.218.240.1842026-03-04 → 2026-03-18 · 3 obs
○ 2017-04-21 09:15:28
● 2026-03-04 12:05:28
● 2026-03-18 14:09:44
● 2026-03-04 12:05:28
● 2026-03-18 14:09:44
●A118.193.33.2202026-03-04 → 2026-03-18 · 3 obs
○ 2017-04-21 09:15:28
● 2026-03-04 12:05:28
● 2026-03-18 14:09:44
● 2026-03-04 12:05:28
● 2026-03-18 14:09:44
●A118.193.37.942026-03-04 → 2026-03-18 · 3 obs
○ 2017-04-21 09:15:28
● 2026-03-04 12:05:28
● 2026-03-18 14:09:44
● 2026-03-04 12:05:28
● 2026-03-18 14:09:44
●A152.32.171.652026-03-04 → 2026-03-18 · 3 obs
○ 2017-04-21 09:15:28
● 2026-03-04 12:05:28
● 2026-03-18 14:09:44
● 2026-03-04 12:05:28
● 2026-03-18 14:09:44
●A154.85.60.1502026-03-04 → 2026-03-18 · 3 obs
○ 2017-04-21 09:15:28
● 2026-03-04 12:05:28
● 2026-03-18 14:09:44
● 2026-03-04 12:05:28
● 2026-03-18 14:09:44
○A58.221.42.1412015-08-18 → 2017-04-21 · 4 obs
● 2015-08-18 03:41:28
● 2017-04-21 09:15:28
○ 2026-03-04 12:05:28
○ 2026-03-18 14:09:44
● 2017-04-21 09:15:28
○ 2026-03-04 12:05:28
○ 2026-03-18 14:09:44
🔍 DNS Trace
Analysis
Hierarchy
polytech.cn is parent of mail.polytech.cn.
IP Addresses
polytech.cn points to five IP numbers: 103.218.240.184, 118.193.33.220, 118.193.37.94, 152.32.171.65 and 154.85.60.150.
Other host names, for instance legsp.cn, tunniao.com, xjqn.cn, webspaceprovider.multiply.com.cn and wisely.cn share IP numbers with polytech.cn.
Name Servers
polytech.cn's delegation is to two name servers pk3.22.cn and pk4.22.cn.
polytech.cn shares the same name server configuration as other domains, such as bewld.com, hgpe.cn, tknm.cn, zchq.com and jlrcbank.com.
polytech.cn shares name servers with other domains at least partially, for example clouddcn.com.
Host names with one IP number: pk3.22.cn and pk4.22.cn point to 39.101.68.48.