zcdtsz.com - robtex.com
zcdtsz.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.ddoss-waf.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 47.109.31.80🇨🇳 Alibaba-Cloud47.109.0.0/16 | ||||||
| NS | ns1.tcdns31.com ⚠️ Not in zone NS records | ||||||
| A | 47.109.31.80🇨🇳 Alibaba-Cloud47.109.0.0/16 | ||||||
| A | 121.37.230.116🇨🇳 HWCSNET121.37.192.0/18 Huawei Clouds Guangzhou Region | ||||||
| PTR | ecs-121-37-230-116.compute.hwclouds-dns.com | ||||||
| NS | ns2.ddoss-waf.com ⚠️ Not in parent delegation | ||||||
| A | 121.37.230.116🇨🇳 HWCSNET121.37.192.0/18 Huawei Clouds Guangzhou Region | ||||||
| PTR | ecs-121-37-230-116.compute.hwclouds-dns.com | ||||||
| NS | ns2.tcdns31.com ⚠️ Not in zone NS records | ||||||
| A | 47.109.31.80🇨🇳 Alibaba-Cloud47.109.0.0/16 | ||||||
| A | 121.37.230.116🇨🇳 HWCSNET121.37.192.0/18 Huawei Clouds Guangzhou Region | ||||||
| PTR | ecs-121-37-230-116.compute.hwclouds-dns.com | ||||||
| SOA | ns1.ddoss-waf.comzeus@bb2.com serial=1773223023 | ||||||
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=1786955649 | ||||||
Same first word
zcdtsz.com |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.ddoss-waf.com2026-08-03 → 2026-08-17 · 2 obs
● 2026-08-17 09:03:42
●NSns1.tcdns31.com2026-08-03 → 2026-08-17 · 2 obs
● 2026-08-17 09:03:42
●NSns2.ddoss-waf.com2026-08-03 → 2026-08-17 · 2 obs
● 2026-08-17 09:03:42
●NSns2.tcdns31.com2026-08-03 → 2026-08-17 · 2 obs
● 2026-08-17 09:03:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net... | - |
| zcdtsz.com | ns1.tcdns31.com, ns2.tcdns31.com | 4 records |
✅ Authoritative Response
Server:121.37.230.116
NS records: ns1.tcdns31.com, ns2.tcdns31.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zcdtsz.com (unsigned zone)
⏱️ Timing
Total: 736ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns2.ddoss-waf.com, ns1.ddoss-waf.com |
| SOA | 1 | ns1.ddoss-waf.com zeus.bb2.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.tcdns31.com, ns1.tcdns31.com, ns2.tcdns31.com...)
Analysis
Name Servers
The domain zcdtsz.com is delegated to these four name servers: ns1.ddoss-waf.com, ns2.ddoss-waf.com, ns1.tcdns31.com and ns2.tcdns31.com.
zcdtsz.com partially shares its NS delegation with several other domains, including ddoss-waf.com, hainanzx.cn, tcxpfw.com and two others.
In DNS configurations, these name servers often share authority with ns1.cfdns5.com, ns2.cfdns5.com, ns1.cfdns81.com and 7 other name servers.
Hosts with two IP numbers each:
The A records for ns1.tcdns31.com return 47.109.31.80 and 121.37.230.116.
The A records for ns2.tcdns31.com return 47.109.31.80 and 121.37.230.116.
Hosts that resolve to one IP address:
ns1.ddoss-waf.com resolves to the IP address 47.109.31.80.
ns2.ddoss-waf.com resolves to the IP address 121.37.230.116.
ns1.tcdns31.com, ns2.tcdns31.com and ns1.ddoss-waf.com all direct to 47.109.31.80.
ns1.tcdns31.com, ns2.tcdns31.com and ns2.ddoss-waf.com all direct to 121.37.230.116.