coolech.cn - robtex.com
coolech.cn
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| 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=2035126619 | ||||||
Same first word
Similar names
DNS History
11 records (6 active, 5 former)
●NSdns29.hichina.com2026-02-28 → 2026-08-03 · 2 obs
● 2026-08-03 05:00:36
●NSdns30.hichina.com2026-02-28 → 2026-08-03 · 2 obs
● 2026-08-03 05:00:36
○MXmail.skrimple.com2015-08-15 → 2017-04-05 · 4 obs
● 2017-04-05 05:44:36
○ 2026-02-28 15:11:36
○ 2026-08-03 05:00:36
●MXmx1.qiye.aliyun.com2026-02-28 → 2026-08-03 · 3 obs
● 2026-02-28 15:11:36
● 2026-08-03 05:00:36
●MXmx2.qiye.aliyun.com2026-02-28 → 2026-08-03 · 3 obs
● 2026-02-28 15:11:36
● 2026-08-03 05:00:36
●MXmx3.qiye.aliyun.com2026-02-28 → 2026-08-03 · 3 obs
● 2026-02-28 15:11:36
● 2026-08-03 05:00:36
○A103.51.144.812016-09-08 → 2017-04-05 · 5 obs
● 2016-09-08 06:03:34
● 2017-04-05 05:44:36
○ 2026-02-28 15:11:36
○ 2026-08-03 05:00:36
○A198.12.15.2442015-08-15 → 2015-08-15 · 3 obs
○ 2015-12-03 22:42:38
○ 2026-08-03 05:00:36
●A43.173.101.152026-07-03 → 2026-08-03 · 3 obs
● 2026-07-03 21:54:42
● 2026-08-03 05:00:36
○A47.251.58.1362026-02-28 → 2026-03-26 · 5 obs
● 2026-02-28 15:11:36
● 2026-03-26 12:16:02
○ 2026-07-03 21:54:42
○ 2026-08-03 05:00:36
○A65.19.157.2352015-12-03 → 2016-03-15 · 5 obs
● 2015-12-03 22:42:38
● 2016-03-15 19:13:06
○ 2016-09-08 06:03:34
○ 2026-08-03 05:00:36
🔍 DNS Trace
Analysis
IP Addresses
coolech.cn has exactly one IP address — 43.173.101.15.
Name Servers
coolech.cn uses two name servers for its delegation: dns29.hichina.com and dns30.hichina.com.
The name server configuration of coolech.cn is shared with other domains, for instance xcbi.top, charis.cn, wflat.cn and two others.
coolech.cn has at least partial name server overlap with other domains, such as ge-ev.com, cfghdfh.baby, zmkolzr.cn and two others.
These name servers tend to appear together with the name servers expirens3.hichina.com, expirens4.hichina.com and ns1.alidns.com.
Hosts with 9 IP addresses each:
Hostname dns29.hichina.com directs to 39.96.153.39, 39.96.153.59 and 47.118.199.199 along with 6 other IP addresses.
Hostname dns30.hichina.com directs to 39.96.153.37, 39.96.153.62 and 47.118.199.197 along with 6 other IP addresses.
Mail Servers
coolech.cn has three mail servers: mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.
At least some of the mail servers used by coolech.cn are shared with other domains: pku-zjf.com, asem.cn, vmos.com and two others among them.
These mail servers tend to be used in combination with the mail servers mxn.mxhichina.com and mxw.mxhichina.com.
Host names pointing to two IP addresses:
mx3.qiye.aliyun.com directs traffic to 47.246.136.231 and 47.246.137.47.
Host names resolving to a single IP address:
mx1.qiye.aliyun.com has the IP address 47.246.137.47.
mx2.qiye.aliyun.com has the IP address 47.246.136.231.
Both mx3.qiye.aliyun.com and mx2.qiye.aliyun.com resolve to 47.246.136.231 IP addresses each.
Both mx3.qiye.aliyun.com and mx1.qiye.aliyun.com resolve to 47.246.137.47 IP addresses each.