137858.cn - robtex.com
137858.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.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 | ns1.julydns.com ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| 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=2035059672 | ||||||
Same first word
137858.cn |
Similar names
DNS History
8 records (4 active, 4 former)
●NSns1.julydns.com2026-07-17 → 2026-07-19 · 2 obs
● 2026-07-19 08:44:50
●NSns2.julydns.com2026-07-17 → 2026-07-19 · 2 obs
● 2026-07-19 08:44:50
○A103.7.31.1882016-01-28 → 2016-04-20 · 5 obs
● 2016-01-28 22:06:00
● 2016-04-20 13:00:30
○ 2026-07-17 05:58:42
○ 2026-07-19 08:44:50
○A121.14.125.522015-11-08 → 2015-11-08 · 3 obs
○ 2016-01-28 22:06:00
○ 2026-07-19 08:44:50
○CNAMEaps0550.qq.com2016-01-28 → 2016-04-20 · 5 obs
● 2016-01-28 22:06:00
● 2016-04-20 13:00:30
○ 2026-07-17 05:58:42
○ 2026-07-19 08:44:50
○CNAMEid.qzone.qq.com2015-11-08 → 2016-04-20 · 4 obs
● 2016-04-20 13:00:30
○ 2026-07-17 05:58:42
○ 2026-07-19 08:44:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| 137858.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 137858.cn (unsigned zone)
⏱️ Timing
Total: 924ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
Analysis
Name Servers
The NS records for 137858.cn point to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
There is at least partial name server overlap between 137858.cn and other domains — bydsf.com, ouyijj.com.cn, tw650359.cn and two more among them.
These name servers frequently co-occur with the name servers ns1.onclouddns.com and ns2.onclouddns.com.
ns1.judns.com resolves to 162.159.27.251, as does ns2.judns.com. ns1.julydns.com resolves to 162.159.48.223, as does ns2.julydns.com.
ns1.judns.com along with ns2.judns.com each resolve to 162.159.27.251 IP addresses.
ns1.julydns.com along with ns2.julydns.com each resolve to 162.159.48.223 IP addresses.