sysumboy.com - robtex.com
sysumboy.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1784610447 | ||||||
Same first word
sysumboy.com |
DNS History
7 records (6 active, 1 former)
●NSdns21.hichina.com2026-06-08 → 2026-07-21 · 2 obs
● 2026-07-21 05:37:38
●NSdns22.hichina.com2026-06-08 → 2026-07-21 · 2 obs
● 2026-07-21 05:37:38
○NSns1.alidns.com2026-06-08 → 2026-06-08 · 3 obs
○ 2026-06-15 23:28:00
○ 2026-07-21 05:37:38
●MXmx1.qiye.aliyun.com2026-06-08 → 2026-07-21 · 2 obs
● 2026-07-21 05:37:38
●MXmx2.qiye.aliyun.com2026-06-08 → 2026-07-21 · 2 obs
● 2026-07-21 05:37:38
●MXmx3.qiye.aliyun.com2026-06-08 → 2026-07-21 · 2 obs
● 2026-07-21 05:37:38
●A123.59.154.1722026-06-08 → 2026-07-21 · 2 obs
● 2026-07-21 05:37:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net... | - |
| sysumboy.com | dns21.hichina.com, dns22.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.40
NS records: dns21.hichina.com, dns22.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sysumboy.com (unsigned zone)
⏱️ Timing
Total: 619ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 123.59.154.172 |
| NS | 2 | dns22.hichina.com, dns21.hichina.com |
| MX | 3 | mx3.qiye.aliyun.com (pri: 15), mx2.qiye.aliyun.com (pri: 10)... |
| TXT | 1 | v=spf1 include:spf.qiye.aliyun.com -all |
| SOA | 1 | dns21.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns21.hichina.com, dns21.hichina.com, dns21.hichina.com...)
Analysis
IP Addresses
sysumboy.com points to a single IP number: 123.59.154.172.
Additional host names — easthairextension.com, nki.cc, winever.cn and two others — share IP numbers with sysumboy.com.
Name Servers
sysumboy.com is served by two delegated name servers, dns21.hichina.com and dns22.hichina.com.
sysumboy.com shares its name server setup with other domains, including deshijituan.com, thdr.top, 13579a.com and two others.
Host names with 9 IP numbers:
dns21.hichina.com carries IP addresses 39.96.153.40, 39.96.153.60 and 47.118.199.200, with 6 other addresses beyond those.
dns22.hichina.com carries IP addresses 39.96.153.38, 39.96.153.61 and 47.118.199.198, with 6 other addresses beyond those.
Mail Servers
sysumboy.com uses three mail servers — mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.
sysumboy.com shares mail servers — at least in part — with other domains, including pyq128.com, hisland.cn, sheyin.cn and two others.
These mail servers are frequently paired with the mail servers mxbiz1.qq.com, mxbiz2.qq.com, mxn.mxhichina.com and mxw.mxhichina.com.
Host names with two IP numbers:
mx3.qiye.aliyun.com maps to two IP addresses — 47.246.136.231 and 47.246.137.47.
Host names pointing to a single IP address:
mx1.qiye.aliyun.com points to the IP address 47.246.137.47.
mx2.qiye.aliyun.com points to the IP address 47.246.136.231.
These two host names — mx3.qiye.aliyun.com and mx2.qiye.aliyun.com — each point to 47.246.136.231 IP addresses.
These two host names — mx3.qiye.aliyun.com and mx1.qiye.aliyun.com — each point to 47.246.137.47 IP addresses.