shddtt.cn - robtex.com
shddtt.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | shtti-hrnct-srv ⭐ | ||||||
| NS | ns.tigertech.com.cn | ||||||
| A | 112.64.207.245🇨🇳 CNCGROUP-SH112.64.128.0/17 CMI (Customer Route) | ||||||
| NS | ns1.tigertech.com.cn | ||||||
| A | 112.64.207.246🇨🇳 CNCGROUP-SH112.64.128.0/17 CMI (Customer Route) | ||||||
| MX | sps.shddtt.cn ⭐ | ||||||
| A | 112.64.207.248🇨🇳 CNCGROUP-SH112.64.128.0/17 CMI (Customer Route) | ||||||
| TXT | v=spf1 ip4:112.64.207.248 ip4:112.64.207.252 ~all | ||||||
| SOA | shtti-hrnct-srvhostmaster serial=29 | ||||||
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=2034596458 | ||||||
Subdomains
sps.shddtt.cn |
Same first word
shddtt.cn |
Similar names
DNS History
6 records (4 active, 2 former)
●NSns.tigertech.com.cn2017-07-10 → 2026-03-28 · 2 obs
● 2017-07-10 02:49:04
● 2026-03-28 01:30:12
● 2026-03-28 01:30:12
●NSns1.tigertech.com.cn2017-07-10 → 2026-03-28 · 2 obs
● 2017-07-10 02:49:04
● 2026-03-28 01:30:12
● 2026-03-28 01:30:12
○NSsh-mailserver.tigertech.com.cn2017-07-10 → 2017-07-10 · 2 obs
● 2017-07-10 02:49:04
○ 2026-03-28 01:30:12
○ 2026-03-28 01:30:12
●NSshtti-hrnct-srv2026-03-28 → 2026-03-28 · 2 obs
○ 2017-07-10 02:49:04
● 2026-03-28 01:30:12
● 2026-03-28 01:30:12
●MXsps.shddtt.cn2017-07-10 → 2026-03-28 · 2 obs
● 2017-07-10 02:49:04
● 2026-03-28 01:30:12
● 2026-03-28 01:30:12
○A112.64.207.2482017-07-10 → 2017-07-10 · 2 obs
● 2017-07-10 02:49:04
○ 2026-03-28 01:30:12
○ 2026-03-28 01:30:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| shddtt.cn | ns.tigertech.com.cn, ns1.tigertech.com.cn | - |
✅ Authoritative Response
Server:112.64.207.245
NS records: ns.tigertech.com.cn, ns1.tigertech.com.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for shddtt.cn (unsigned zone)
⏱️ Timing
Total: 2646ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | shtti-hrnct-srv, ns.tigertech.com.cn... |
| MX | 1 | sps.shddtt.cn (pri: 5) |
| TXT | 1 | v=spf1 ip4:112.64.207.248 ip4:112.64.207 |
| SOA | 1 | shtti-dns-srv.tigertech.com.cn hostmaste |
Analysis
Hierarchy
shddtt.cn is the parent of sps.shddtt.cn.
Name Servers
shddtt.cn is delegated to three name servers: shtti-hrnct-srv, ns1.tigertech.com.cn and ns.tigertech.com.cn.
shddtt.cn at least partially shares name servers with other domains; for instance tigertech.com.cn.
Host names with a single IP:
ns1.tigertech.com.cn points to 112.64.207.246.
ns.tigertech.com.cn points to 112.64.207.245.
Mail Servers
shddtt.cn is handled by a single mail server, sps.shddtt.cn.
sps.shddtt.cn points to a single IP: 112.64.207.248.