semi.cn - robtex.com
semi.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | orange.semi.ac.cn ⚠️ Not in zone NS records | ||||||
| A | 159.226.228.2🇨🇳 CSTNET-AS-AP159.226.228.0/24 | ||||||
| PTR | orange.semi.ac.cn | ||||||
| NS | red.semi.ac.cn ⚠️ 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=2034773880 | ||||||
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
●NSorange.semi.ac.cn2026-05-09 → 2026-05-10 · 2 obs
● 2026-05-09 03:24:14
● 2026-05-10 09:13:26
● 2026-05-10 09:13:26
●NSred.semi.ac.cn2026-05-09 → 2026-05-10 · 2 obs
● 2026-05-09 03:24:14
● 2026-05-10 09:13:26
● 2026-05-10 09:13:26
🔍 DNS Trace
Analysis
Name Servers
semi.cn's delegation uses two name servers: orange.semi.ac.cn and red.semi.ac.cn.
semi.cn shares name servers with other domains at least partially, for example semi.ac.cn and 228.226.159.in-addr.arpa.
These name servers are often used with semilib.semi.ac.cn and win-t8334pdl7kb.escience.semi.ac.cn.
Host names with a single IP number: The host name orange.semi.ac.cn points to 159.226.228.2.