stdopen.com - robtex.com
stdopen.com
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=1792907581 | ||||||
Same first word
stdopen.com |
Similar names
Previous names
Next names
DNS History
6 records (6 active, 0 former)
●NScyril.dnspod.net2026-09-25 → 2026-10-25 · 2 obs
● 2026-10-25 06:38:00
●NSella.dnspod.net2026-09-25 → 2026-10-25 · 2 obs
● 2026-10-25 06:38:00
●A171.223.208.1362026-09-25 → 2026-10-25 · 2 obs
● 2026-10-25 06:38:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| stdopen.com | cyril.dnspod.net, ella.dnspod.net | - |
✅ Authoritative Response
Server:1.13.76.35
NS records: cyril.dnspod.net, ella.dnspod.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for stdopen.com (unsigned zone)
⏱️ Timing
Total: 1162ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 171.223.208.136 |
| NS | 2 | ella.dnspod.net, cyril.dnspod.net |
| MX | 3 | mx1.feishu.cn (pri: 1), mx2.feishu.cn (pri: 5)... |
| TXT | 2 | v=spf1 +include:_netblocks.m.feishu.cn -, verification-code-site-App_feishu=gleK9A |
| SOA | 1 | cyril.dnspod.net freednsadmin.dnspod.com |
Analysis
IP Addresses
stdopen.com directs to one IP number, which is 171.223.208.136.
Name Servers
DNS delegation for stdopen.com points to two name servers: cyril.dnspod.net and ella.dnspod.net.
stdopen.com has the same name server delegation as a number of other domains, such as touma-kazusa.com, blyn.cn, acupoint.cloud and two more.
Host names resolving to 6 IP numbers:
cyril.dnspod.net has IP addresses 1.12.0.4, 1.14.119.35 and 111.13.13.35, plus 3 other.
ella.dnspod.net has IP addresses 1.12.0.1, 1.13.76.35 and 36.155.149.35, plus 3 other.
Mail Servers
stdopen.com has three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.
stdopen.com shares at least some of its mail servers with other domains — for example jar.fm, lezet.cn, ongineer.cn and two more.
Hosts with three IP address records:
mx3.feishu.cn has IP addresses 52.220.106.220, 101.126.58.225 and 122.14.229.0.
Hosts with two IP numbers each:
mx2.feishu.cn has two IP addresses: 101.126.58.225 and 122.14.229.0.
Hosts that resolve to one IP address:
mx1.feishu.cn directs to 52.220.106.220.
Host names pointing to 52.220.106.220 IP addresses: mx3.feishu.cn and mx1.feishu.cn.
Host names pointing to 101.126.58.225 IP addresses: mx3.feishu.cn and mx2.feishu.cn.
Host names pointing to 122.14.229.0 IP addresses: mx3.feishu.cn and mx2.feishu.cn.