zhenghaotech.top - robtex.com
zhenghaotech.top
| DNSSEC | ⚠️ Not signed | ||||||
top
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.zdnscloud.com ⭐ | ||||||
| NS | a.zdnscloud.cn | ||||||
| NS | b.zdnscloud.cn | ||||||
| NS | c.zdnscloud.com | ||||||
| NS | d.zdnscloud.com | ||||||
| NS | e.zdnscloud.cn | ||||||
| NS | f.zdnscloud.cn | ||||||
| NS | i.zdnscloud.cn | ||||||
| NS | j.zdnscloud.com | ||||||
| TXT | 2026-04-24_11:05:01 | ||||||
| SOA | a.zdnscloud.comtd_dns_gtld@knet.cn serial=1395625772 | ||||||
DNS History
3 records (0 active, 3 former)
○NSelisabeth.ns.cloudflare.com2026-04-04 → 2026-04-09 · 4 obs
● 2026-04-04 18:49:08
● 2026-04-09 21:32:42
○ 2026-04-21 17:32:16
○ 2026-04-24 03:12:58
● 2026-04-09 21:32:42
○ 2026-04-21 17:32:16
○ 2026-04-24 03:12:58
○NSsean.ns.cloudflare.com2026-04-04 → 2026-04-09 · 4 obs
● 2026-04-04 18:49:08
● 2026-04-09 21:32:42
○ 2026-04-21 17:32:16
○ 2026-04-24 03:12:58
● 2026-04-09 21:32:42
○ 2026-04-21 17:32:16
○ 2026-04-24 03:12:58
○A47.85.38.332026-04-04 → 2026-04-09 · 4 obs
● 2026-04-04 18:49:08
● 2026-04-09 21:32:42
○ 2026-04-21 17:32:16
○ 2026-04-24 03:12:58
● 2026-04-09 21:32:42
○ 2026-04-21 17:32:16
○ 2026-04-24 03:12:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| top | f.zdnscloud.cn, a.zdnscloud.cn, b.zdnscloud.cn, i.zdnscloud.cn... | 9 records |
✅ Authoritative Response
Server:192.36.148.17
NS records: f.zdnscloud.cn, a.zdnscloud.cn, b.zdnscloud.cn, i.zdnscloud.cn, c.zdnscloud.com, e.zdnscloud.cn, j.zdnscloud.com, d.zdnscloud.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1455ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 9
Out-of-bailiwick: 9 (f.zdnscloud.cn, e.zdnscloud.cn, d.zdnscloud.com...)