sdbba.cn - robtex.com
sdbba.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.165.50.173🇺🇸 AS40061938.165.48.0/21 arosscloud | ||||||
| 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=1761973711 | ||||||
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 2035-06-17 #80 | ||||||
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
○NSa.ezdnscenter.com2017-10-23 → 2017-10-23 · 3 obs
○ 2026-06-23 12:07:44
○ 2026-07-19 21:20:44
●NSns1.judns.com2026-06-23 → 2026-07-19 · 3 obs
● 2026-06-23 12:07:44
● 2026-07-19 21:20:44
●NSns1.julydns.com2026-06-23 → 2026-07-19 · 3 obs
● 2026-06-23 12:07:44
● 2026-07-19 21:20:44
●NSns2.judns.com2026-06-23 → 2026-07-19 · 3 obs
● 2026-06-23 12:07:44
● 2026-07-19 21:20:44
●NSns2.julydns.com2026-06-23 → 2026-07-19 · 3 obs
● 2026-06-23 12:07:44
● 2026-07-19 21:20:44
●A38.165.50.1732026-06-23 → 2026-07-19 · 3 obs
● 2026-06-23 12:07:44
● 2026-07-19 21:20:44
○A43.230.142.1252017-10-23 → 2017-10-23 · 3 obs
○ 2026-06-23 12:07:44
○ 2026-07-19 21:20:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| sdbba.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 sdbba.cn (unsigned zone)
⏱️ Timing
Total: 2553ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.165.50.173 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
sdbba.cn resolves to just one IP address, 38.165.50.173.
Additional host names such as zyypt.cn, ktmap.cn, fox6.cn and nuokuo.cn share IP numbers with sdbba.cn.
Name Servers
The NS records for sdbba.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 sdbba.cn and other domains — sqfwy.cn, frcartoon.com, yghxjj.com 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.
These two host names — ns1.judns.com and ns2.judns.com — each point to 162.159.27.251 IP addresses.
These two host names — ns1.julydns.com and ns2.julydns.com — each point to 162.159.48.223 IP addresses.