sysyb.cn - robtex.com
sysyb.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 198.16.39.141🇺🇸 CNSERVERSLLC198.16.32.0/19 cust proxy reg | ||||||
| NS | ns1.xmodxvquvodns.com ⭐ | ||||||
| A | 154.86.21.200🇭🇰 HKCICL-AS-AP154.86.21.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 177.2.31.200🇧🇷 AS-V177.2.0.0/18 | ||||||
| NS | ns2.xmodxvquvodns.com | ||||||
| A | 154.86.21.207🇭🇰 HKCICL-AS-AP154.86.21.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 177.2.31.207🇧🇷 AS-V177.2.0.0/18 | ||||||
| SOA | ns1.xmodxvquvodns.comadmin@xmodxvquvodns.com serial=1775115164 | ||||||
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=2035179655 | ||||||
Same first word
sysyb.cn |
Similar names
bysys.com.br |
sybsy.net |
ybssy.com |
sybys.com |
yssyb.com |
yyssb.sbs |
yysbs.com |
bssyy.com |
sbsyy.cn |
bysys.cn |
sybsy.com |
sbysy.com |
syybs.com |
bysys.com |
byssy.com |
DNS History
6 records (3 active, 3 former)
○NSns1.dns-china.cn.sysyb.cn2015-06-17 → 2017-01-22 · 4 obs
● 2017-01-22 04:01:48
○ 2026-07-13 08:11:12
○ 2026-08-14 11:25:50
●NSns1.xmodxvquvodns.com2026-07-13 → 2026-08-14 · 3 obs
● 2026-07-13 08:11:12
● 2026-08-14 11:25:50
●NSns2.xmodxvquvodns.com2026-07-13 → 2026-08-14 · 3 obs
● 2026-07-13 08:11:12
● 2026-08-14 11:25:50
○MXmx.sina.net2015-06-17 → 2017-01-22 · 4 obs
● 2017-01-22 04:01:48
○ 2026-07-13 08:11:12
○ 2026-08-14 11:25:50
●A198.16.39.1412026-07-13 → 2026-08-14 · 3 obs
● 2026-07-13 08:11:12
● 2026-08-14 11:25:50
○A211.144.147.1612015-06-17 → 2015-06-17 · 3 obs
○ 2015-11-04 18:41:18
○ 2026-08-14 11:25:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| sysyb.cn | ns1.xmodxvquvodns.com, ns2.xmodxvquvodns.com | - |
✅ Authoritative Response
Server:154.86.21.207
NS records: ns1.xmodxvquvodns.com, ns2.xmodxvquvodns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sysyb.cn (unsigned zone)
⏱️ Timing
Total: 1357ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 198.16.39.141 |
| NS | 2 | ns1.xmodxvquvodns.com, ns2.xmodxvquvodns.com |
| SOA | 1 | ns1.xmodxvquvodns.com admin.xmodxvquvodn |
Analysis
IP Addresses
sysyb.cn has exactly one IP address — 198.16.39.141.
Name Servers
sysyb.cn has two authoritative name servers — ns1.xmodxvquvodns.com and ns2.xmodxvquvodns.com.
The name server configuration of sysyb.cn is shared with other domains, for instance qnxx.cn, hunantiancheng.com, sxjtad.net and two others.
sysyb.cn partially shares its NS delegation with several other domains, including zttmyjy.com, jinlanhb.com, av001.com and two others.
These name servers are regularly seen alongside ns1.hangdaxinli.com and ns2.hangdaxinli.com as name servers.
Both ns1.xmodxvquvodns.com and ns2.xmodxvquvodns.com have two IP addresses each. ns1.xmodxvquvodns.com resolves to 154.86.21.200 and 177.2.31.200; ns2.xmodxvquvodns.com resolves to 154.86.21.207 and 177.2.31.207.