opticus.cn - robtex.com
opticus.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.244.253.74🇺🇸 GNET-AS9294156.244.240.0/20 | ||||||
| NS | ns1.julydns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD | ||||||
| NS | ns1.judns.com ⚠️ Not in zone NS records | ||||||
| A | 47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD | ||||||
| NS | ns2.judns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.julydns.com ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1764510415 | ||||||
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=2034663320 | ||||||
Same first word
opticus.cn |
opticus.se |
opticus.nl |
opticus.rs |
opticus.org |
opticus.co.uk |
opticus.com.ua |
opticus.com |
opticus.de |
opticus.pl |
opticus.info |
opticus.ru |
opticus.co |
opticus.it |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.julydns.com2026-02-21 → 2026-04-12 · 2 obs
● 2026-04-12 18:29:14
●NSns2.julydns.com2026-02-21 → 2026-04-12 · 2 obs
● 2026-04-12 18:29:14
●A156.244.253.742026-02-21 → 2026-04-12 · 2 obs
● 2026-04-12 18:29:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| opticus.cn | ns1.judns.com, ns2.judns.com | - |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opticus.cn (unsigned zone)
⏱️ Timing
Total: 1008ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.244.253.74 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
opticus.cn points to a single IP number: 156.244.253.74.
Other host names such as tortu.cn, royalkey.cn and fritillaria.cn share IP numbers with opticus.cn.
Name Servers
opticus.cn is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
opticus.cn at least partially shares name servers with other domains, for instance fuleys.com, ahguokang.com, qiandehongyuan.com, tcomic.cn and uoriehy.cn.
These name servers are commonly used with jm1.dns.com and jm2.dns.com.
Host names with a single IP number:
ns1.judns.com points to: 47.97.51.45.
ns2.judns.com points to: 162.159.27.251.
ns1.julydns.com points to: 47.97.51.45.
ns2.julydns.com points to: 162.159.48.223.
Host names that point to 47.97.51.45: ns1.judns.com and ns1.julydns.com.