sdtender.com - robtex.com
sdtender.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.cnolnic.net ⭐ | ||||||
| A | 240c:4082:0:5d80::2🇨🇳 Baidu240c:4082::/32 | ||||||
| A | 106.13.136.254🇨🇳 Baidu106.13.128.0/19 AS38365 | ||||||
| A | 182.61.7.97🇨🇳 Baidu182.61.0.0/19 | ||||||
| NS | ns2.cnolnic.net | ||||||
| A | 240c:4081:8000:1702::3🇨🇳 Baidu240c:4081::/32 | ||||||
| A | 106.12.41.177🇨🇳 Baidu106.12.32.0/19 | ||||||
| A | 180.76.132.69🇨🇳 Baidu180.76.128.0/19 | ||||||
| MX | mail.sdtender.com ⭐ | ||||||
| A | 60.217.204.35🇨🇳 CHINA169-Backbone60.216.0.0/15 CNC Group CHINA169 Shandong Province Network | ||||||
| SOA | ns1.cnolnic.netroot@cnolnic.net 2006-11-24 #1 | ||||||
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=1786894704 | ||||||
Subdomains
mail.sdtender.com |
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●NSns1.cnolnic.net2015-07-13 → 2026-08-16 · 2 obs
● 2026-08-16 15:48:00
●NSns2.cnolnic.net2015-07-13 → 2026-08-16 · 2 obs
● 2026-08-16 15:48:00
●MXmail.sdtender.com2015-07-13 → 2026-08-16 · 2 obs
● 2026-08-16 15:48:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sdtender.com | ns1.cnolnic.net, ns2.cnolnic.net | - |
✅ Authoritative Response
Server:106.13.136.254
NS records: ns1.cnolnic.net, ns2.cnolnic.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sdtender.com (unsigned zone)
⏱️ Timing
Total: 963ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns2.cnolnic.net, ns1.cnolnic.net |
| MX | 1 | mail.sdtender.com (pri: 10) |
| SOA | 1 | ns1.cnolnic.net root.cnolnic.net |
Analysis
Hierarchy
The domain mail.sdtender.com falls under the parent sdtender.com.
Name Servers
Two name servers handle the delegation for sdtender.com: ns1.cnolnic.net and ns2.cnolnic.net.
sdtender.com uses the same name servers as several other domains — among them kfbo2qod.icu, dxsldy.cn, ych.asia and two more.
The hosts ns1.cnolnic.net and ns2.cnolnic.net both resolve to three IP numbers: ns1.cnolnic.net to 106.13.136.254, 182.61.7.97 and 240c:4082:0:5d80::2, and ns2.cnolnic.net to 106.12.41.177, 180.76.132.69 and 240c:4081:8000:1702::3.
Mail Servers
Mail for sdtender.com is handled by a single mail server, mail.sdtender.com.
mail.sdtender.com carries a single IP number, which is 60.217.204.35.