tech.cn - dns.ninja
tech.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.tech.cn ⚠️ Not in zone NS records | ||||||
| NS | ns6.hotsales.net ⚠️ Not in zone NS records | ||||||
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=2035064286 | ||||||
PTR for
Previously MX for
tech.cn |
Same first word
Similar names
DNS History
5 records (2 active, 3 former)
●NSns1.tech.cn2026-03-05 → 2026-07-20 · 3 obs
○ 2015-09-04 10:07:46
● 2026-03-05 11:41:20
● 2026-07-20 07:12:24
● 2026-03-05 11:41:20
● 2026-07-20 07:12:24
●NSns6.hotsales.net2015-09-04 → 2026-07-20 · 2 obs
● 2015-09-04 10:07:46
● 2026-07-20 07:12:24
● 2026-07-20 07:12:24
○MXmail1.tech.cn2015-09-04 → 2018-01-20 · 4 obs
● 2015-09-04 10:07:46
● 2018-01-20 00:02:08
○ 2026-03-05 11:41:20
○ 2026-07-20 07:12:24
● 2018-01-20 00:02:08
○ 2026-03-05 11:41:20
○ 2026-07-20 07:12:24
○MXtech.cn2015-09-04 → 2018-01-20 · 4 obs
● 2015-09-04 10:07:46
● 2018-01-20 00:02:08
○ 2026-03-05 11:41:20
○ 2026-07-20 07:12:24
● 2018-01-20 00:02:08
○ 2026-03-05 11:41:20
○ 2026-07-20 07:12:24
○A210.14.64.602015-09-04 → 2018-01-20 · 4 obs
● 2015-09-04 10:07:46
● 2018-01-20 00:02:08
○ 2026-03-05 11:41:20
○ 2026-07-20 07:12:24
● 2018-01-20 00:02:08
○ 2026-03-05 11:41:20
○ 2026-07-20 07:12:24
🔍 DNS Trace
Analysis
Name Servers
DNS delegation for tech.cn points to two name servers: ns1.tech.cn and ns6.hotsales.net.
tech.cn shares at least some of its name servers with other domains, for example ulos.net, novalis-intl.ca, royaum.net and daicelchina.net.
These name servers tend to co-occur with ns5.hotsales.net, dns1.hichina.com, dns2.hichina.com and 3 other name servers in the same DNS delegations.