serd5s.cn - robtex.com
serd5s.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 203.189.235.73🇯🇵 RAINBOWIDC-AS-AP203.189.235.0/24 Proxy-registered route object | ||||||
| PTR | unknown.itsidc.com | ||||||
| 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 | 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 | 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=1752077222 | ||||||
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=2034725703 | ||||||
Same first word
serd5s.cn |
DNS History
5 records (5 active, 0 former)
●NSns1.julydns.com2026-03-16 → 2026-04-29 · 2 obs
● 2026-04-29 00:48:42
●NSns2.julydns.com2026-03-16 → 2026-04-29 · 2 obs
● 2026-04-29 00:48:42
●A203.189.235.732026-03-16 → 2026-04-29 · 2 obs
● 2026-04-29 00:48:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| serd5s.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 serd5s.cn (unsigned zone)
⏱️ Timing
Total: 1265ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 203.189.235.73 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
serd5s.cn resolves to one IP number: 203.189.235.73.
Other host names, for instance dt5th.cn, srxdg5h.cn, dxrh12.cn, csaaf4.com and tdj2jtj2.cn share IP numbers with serd5s.cn.
Name Servers
serd5s.cn delegates to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
serd5s.cn at least partially shares name servers with other domains, including czrh.cn, showflyer.top, dbxt.cn, youjiasoftware.com and fcdc.cn.
Host names with one IP number:
ns1.judns.com and ns2.judns.com point to 162.159.27.251.
ns1.julydns.com and ns2.julydns.com point to 162.159.48.223.
Host names that point to 162.159.27.251: ns1.judns.com and ns2.judns.com.
Host names that point to 162.159.48.223: ns1.julydns.com and ns2.julydns.com.