ndsbt.cn - robtex.com
ndsbt.cn
| DNSSEC | ⚠️ Not signed | ||||||
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=2034780276 | ||||||
Similar names
ntbsd.com |
btdns.nl |
tdnsb.com |
bdstn.com |
sbdtn.sk |
nbdst.com |
snbdt.com |
tsnbd.org |
nstbd.com |
sntdb.com |
btdns.com |
tbdns.net |
ntsbd.com |
btdns.cn |
bstdn.com |
tbdns.de |
dbnts.com |
DNS History
4 records (0 active, 4 former)
○NSns2.dnsdun.com2017-06-08 → 2017-10-23 · 4 obs
● 2017-06-08 13:41:20
● 2017-10-23 12:58:04
○ 2026-04-09 04:45:24
○ 2026-05-11 23:50:34
● 2017-10-23 12:58:04
○ 2026-04-09 04:45:24
○ 2026-05-11 23:50:34
○NSns2.dnsdun.net2017-06-08 → 2017-10-23 · 4 obs
● 2017-06-08 13:41:20
● 2017-10-23 12:58:04
○ 2026-04-09 04:45:24
○ 2026-05-11 23:50:34
● 2017-10-23 12:58:04
○ 2026-04-09 04:45:24
○ 2026-05-11 23:50:34
○A103.230.121.1572017-10-23 → 2017-10-23 · 4 obs
○ 2017-06-08 13:41:20
● 2017-10-23 12:58:04
○ 2026-04-09 04:45:24
○ 2026-05-11 23:50:34
● 2017-10-23 12:58:04
○ 2026-04-09 04:45:24
○ 2026-05-11 23:50:34
○A122.10.64.272017-06-08 → 2017-06-08 · 3 obs
● 2017-06-08 13:41:20
○ 2017-10-23 12:58:04
○ 2026-05-11 23:50:34
○ 2017-10-23 12:58:04
○ 2026-05-11 23:50:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
✅ Authoritative Response
Server:203.119.27.1
NS records: e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn, b.dns.cn
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 635ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|