sysbbs.com - robtex.com
sysbbs.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.45.128.21🇨🇳 JZKJ-NET103.45.128.0/24 | ||||||
| NS | ns1.volcdns.com ⭐ | ||||||
| A | 2406:d440:103:6eca:6b2d:c85a:8bd9:5c7e🇨🇳 VOLCANO-ENGINE2406:d440:100::/44 route6 of Chinaunicom AS137718 Beijing Volcano Engine Technology Co., Ltd. | ||||||
| A | 115.190.173.10🇨🇳 VOLCANO-ENGINE115.190.168.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| NS | vip1.volcengine-dns.com | ||||||
| A | 2406:d440:103:6eca:6d96:1deb:1885:9391🇨🇳 VOLCANO-ENGINE2406:d440:100::/44 route6 of Chinaunicom AS137718 Beijing Volcano Engine Technology Co., Ltd. | ||||||
| A | 180.184.1.46🇨🇳 VOLCANO-ENGINE180.184.1.0/24 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 180.184.1.145🇨🇳 VOLCANO-ENGINE180.184.1.0/24 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| NS | vip2.volcengine-dns.com | ||||||
| A | 2406:d440:103:6eca:6d96:1deb:1885:9391🇨🇳 VOLCANO-ENGINE2406:d440:100::/44 route6 of Chinaunicom AS137718 Beijing Volcano Engine Technology Co., Ltd. | ||||||
| A | 115.190.175.156🇨🇳 VOLCANO-ENGINE115.190.168.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| SOA | ns1.volcdns.comdnsadmin@bytedance.com 2025-11-09 #0 | ||||||
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=1785492442 | ||||||
Subdomains
pc.sysbbs.com |
Same first word
sysbbs.com |
Similar names
DNS History
10 records (4 active, 6 former)
○NSns.sysbbs.com2015-07-18 → 2016-05-09 · 4 obs
● 2016-05-09 08:59:46
○ 2017-02-11 06:30:46
○ 2026-07-31 10:25:54
●NSns1.volcdns.com2026-05-15 → 2026-07-31 · 3 obs
● 2026-05-15 07:57:00
● 2026-07-31 10:25:54
○NSns3.epik.com2015-07-18 → 2017-02-11 · 4 obs
● 2017-02-11 06:30:46
○ 2026-05-15 07:57:00
○ 2026-07-31 10:25:54
○NSns4.epik.com2015-07-18 → 2017-02-11 · 4 obs
● 2017-02-11 06:30:46
○ 2026-05-15 07:57:00
○ 2026-07-31 10:25:54
●NSvip1.volcengine-dns.com2026-05-15 → 2026-07-31 · 3 obs
● 2026-05-15 07:57:00
● 2026-07-31 10:25:54
●NSvip2.volcengine-dns.com2026-05-15 → 2026-07-31 · 3 obs
● 2026-05-15 07:57:00
● 2026-07-31 10:25:54
○MXmail.b-io.co2016-05-09 → 2016-05-09 · 3 obs
○ 2017-02-11 06:30:46
○ 2026-07-31 10:25:54
●A103.45.128.212026-05-15 → 2026-07-31 · 3 obs
● 2026-05-15 07:57:00
● 2026-07-31 10:25:54
○A192.64.147.1502016-05-09 → 2016-05-09 · 4 obs
● 2016-05-09 08:59:46
○ 2017-02-11 06:30:46
○ 2026-07-31 10:25:54
○A216.127.161.472015-07-18 → 2017-02-11 · 6 obs
● 2016-02-09 13:58:58
○ 2016-05-09 08:59:46
● 2017-02-11 06:30:46
○ 2026-05-15 07:57:00
○ 2026-07-31 10:25:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net... | - |
| sysbbs.com | vip1.volcengine-dns.com, vip2.volcengine-dns.com | 5 records |
✅ Authoritative Response
Server:115.190.175.156
NS records: vip1.volcengine-dns.com, vip2.volcengine-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sysbbs.com (unsigned zone)
⏱️ Timing
Total: 772ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.45.128.21 |
| NS | 2 | vip2.volcengine-dns.com, vip1.volcengine-dns.com |
| SOA | 1 | ns1.volcdns.com dnsadmin.bytedance.com |
📌 Glue Records Collected
Total: 5
Out-of-bailiwick: 5 (vip1.volcengine-dns.com, vip1.volcengine-dns.com, vip1.volcengine-dns.com...)
Analysis
Hierarchy
sysbbs.com serves as the parent of pc.sysbbs.com.
IP Addresses
sysbbs.com points to a single IP number: 103.45.128.21.
Name Servers
sysbbs.com is delegated to three name servers: ns1.volcdns.com, vip1.volcengine-dns.com and vip2.volcengine-dns.com.
sysbbs.com has at least partial name server overlap with other domains, such as wiwyo988.com, 520114.cn, jldjw.com and two others.
ns1.volcengine-dns.com, ns2.volcengine-dns.com and ns2.volcdns.com — plus 3 other name servers — are commonly paired with these name servers.
Host names with three IP numbers:
vip1.volcengine-dns.com points to 180.184.1.46, 180.184.1.145 and 2406:d440:103:6eca:6d96:1deb:1885:9391.
Host names with two IP numbers:
ns1.volcdns.com points to 115.190.173.10 and 2406:d440:103:6eca:6b2d:c85a:8bd9:5c7e.
vip2.volcengine-dns.com points to 115.190.175.156 and 2406:d440:103:6eca:6d96:1deb:1885:9391.
vip1.volcengine-dns.com and vip2.volcengine-dns.com are host names that each point to 2406:d440:103:6eca:6d96:1deb:1885:9391 IP addresses.