opfr.cn - robtex.com
opfr.cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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 | ns1.julydns.com ⚠️ Not in parent delegation | ||||||
| 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 | ||||||
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=2034629402 | ||||||
Same first word
Similar names
DNS History
13 records (4 active, 9 former)
○NSdns1.iidns.com2016-05-01 → 2016-05-01 · 3 obs
○ 2016-12-31 23:17:22
○ 2026-04-03 14:57:02
○NSdns10.hichina.com2016-12-31 → 2018-06-01 · 5 obs
● 2016-12-31 23:17:22
● 2018-06-01 16:11:34
○ 2026-03-27 07:44:30
○ 2026-04-03 14:57:02
○NSdns2.iidns.com2016-05-01 → 2016-05-01 · 3 obs
○ 2016-12-31 23:17:22
○ 2026-04-03 14:57:02
○NSdns3.iidns.com2016-05-01 → 2016-05-01 · 3 obs
○ 2016-12-31 23:17:22
○ 2026-04-03 14:57:02
○NSdns4.iidns.com2016-05-01 → 2016-05-01 · 3 obs
○ 2016-12-31 23:17:22
○ 2026-04-03 14:57:02
○NSdns5.iidns.com2016-05-01 → 2016-05-01 · 3 obs
○ 2016-12-31 23:17:22
○ 2026-04-03 14:57:02
○NSdns6.iidns.com2016-05-01 → 2016-05-01 · 3 obs
○ 2016-12-31 23:17:22
○ 2026-04-03 14:57:02
○NSdns9.hichina.com2016-12-31 → 2018-06-01 · 5 obs
● 2016-12-31 23:17:22
● 2018-06-01 16:11:34
○ 2026-03-27 07:44:30
○ 2026-04-03 14:57:02
●NSns1.judns.com2026-03-27 → 2026-04-03 · 3 obs
● 2026-03-27 07:44:30
● 2026-04-03 14:57:02
●NSns1.julydns.com2026-03-27 → 2026-04-03 · 3 obs
● 2026-03-27 07:44:30
● 2026-04-03 14:57:02
●NSns2.judns.com2026-03-27 → 2026-04-03 · 3 obs
● 2026-03-27 07:44:30
● 2026-04-03 14:57:02
●NSns2.julydns.com2026-03-27 → 2026-04-03 · 3 obs
● 2026-03-27 07:44:30
● 2026-04-03 14:57:02
○A123.108.110.782016-05-01 → 2016-05-01 · 3 obs
○ 2016-12-31 23:17:22
○ 2026-04-03 14:57:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, a.dns.cn, d.dns.cn, e.dns.cn... | - |
| opfr.cn | ns1.judns.com, ns2.judns.com | - |
✅ Authoritative Response
Server:47.97.51.45
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opfr.cn (unsigned zone)
⏱️ Timing
Total: 3152ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
Analysis
Name Servers
opfr.cn is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
opfr.cn at least partially shares its name servers with other domains, for instance hsdkr.cn, upkg.cn, eejjsf.cn, bjqyhx.com and 6ehv.com.
These name servers are commonly used alongside jm1.dns.com and jm2.dns.com.
Single-IP host names:
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 pointing to 47.97.51.45: ns1.judns.com and ns1.julydns.com.