sdb4.cn - robtex.com
sdb4.cn
| CNAME | lb-d2dc71rd-f8nqrj7tga96xvkp.clb.ap-beijing.tencentclb.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.70.60.63🇨🇳 TENCENT-NET-AP81.70.0.0/18 CT BeiJing IDC | ||||||
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=2034598322 | ||||||
Same first word
Similar names
bs4d.de |
4bsd.de |
ds4b.com |
bsd4.com |
dsb4.com |
ds4b.net |
bds4.com |
bs4d.net |
s4db.net |
bsd4.pl |
4bsd.net |
sbd4.sk |
4bsd.org |
bd4s.com.au |
d4sb.com |
4dbs.com |
b4sd.com |
db4s.com |
4sdb.com |
DNS History
3 records (3 active, 0 former)
●NSalcyone.dnspod.net2026-02-15 → 2026-03-28 · 2 obs
● 2026-02-15 18:53:54
● 2026-03-28 09:57:54
● 2026-03-28 09:57:54
●NScapricornus.dnspod.net2026-02-15 → 2026-03-28 · 2 obs
● 2026-02-15 18:53:54
● 2026-03-28 09:57:54
● 2026-03-28 09:57:54
●CNAMElb-d2dc71rd-f8nqrj7tga96xvkp.clb.ap-beijing.tencentclb.com2026-02-15 → 2026-03-28 · 2 obs
● 2026-02-15 18:53:54
● 2026-03-28 09:57:54
● 2026-03-28 09:57:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| sdb4.cn | alcyone.dnspod.net, capricornus.dnspod.net | - |
✅ Authoritative Response
Server:112.80.181.45
NS records: alcyone.dnspod.net, capricornus.dnspod.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sdb4.cn (unsigned zone)
⏱️ Timing
Total: 1437ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | capricornus.dnspod.net, alcyone.dnspod.net |
| CNAME | 1 | lb-d2dc71rd-f8nqrj7tga96xvkp.clb.ap-beij |
| SOA | 1 | capricornus.dnspod.net freednsadmin.dnsp |
Analysis
IP Addresses
sdb4.cn resolves to one IP number: 81.70.60.63.