itutool.com - dns.ninja
itutool.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=1781023611 | ||||||
Same first word
itutool.com |
Similar names
DNS History
6 records (6 active, 0 former)
●NSbrass.dnspod.net2026-02-26 → 2026-06-09 · 2 obs
● 2026-06-09 16:47:56
●NSnail.dnspod.net2026-02-26 → 2026-06-09 · 2 obs
● 2026-06-09 16:47:56
●A122.51.156.172026-02-26 → 2026-06-09 · 2 obs
● 2026-06-09 16:47:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net... | - |
| itutool.com | nail.dnspod.net, brass.dnspod.net | - |
✅ Authoritative Response
Server:117.89.178.173
NS records: nail.dnspod.net, brass.dnspod.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for itutool.com (unsigned zone)
⏱️ Timing
Total: 4488ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 122.51.156.17 |
| NS | 2 | brass.dnspod.net, nail.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=bOXXCt |
| SOA | 1 | nail.dnspod.net freednsadmin.dnspod.com |
Analysis
IP Addresses
itutool.com directs to one IP number, which is 122.51.156.17.
Name Servers
itutool.com is served by two delegated name servers, brass.dnspod.net and nail.dnspod.net.
itutool.com has the same name server delegation as a number of other domains, such as fsjmdz.com, shijuezu.com, cao.rocks and two more.
itutool.com has a partial name server overlap with other domains — among them xn--ghq32fc39eq6b.cn and img-vision.com.
Host names resolving to 6 IP numbers:
brass.dnspod.net has IP addresses 1.12.0.1, 36.155.149.176, 101.227.168.35 plus three more.
nail.dnspod.net has IP addresses 1.12.0.4, 1.14.119.35, 111.13.13.35 plus three more.
Mail Servers
itutool.com has three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.
itutool.com shares at least some of its mail servers with other domains — for example popjoyhk.com, aoxika.com, mayiwen.com and two more.
Hosts with three IP address records:
mx3.feishu.cn resolves to three addresses: 52.220.106.220, 101.126.58.225 and 122.14.229.0.
Hosts with two IP numbers each:
mx2.feishu.cn maps to two IP addresses — 101.126.58.225 and 122.14.229.0.
Host names with one IP number:
mx1.feishu.cn points to the IP address 52.220.106.220.
These two host names — mx3.feishu.cn and mx1.feishu.cn — each point to 52.220.106.220 IP addresses.
These two host names — mx3.feishu.cn and mx2.feishu.cn — each point to 101.126.58.225 IP addresses.
These two host names — mx3.feishu.cn and mx2.feishu.cn — each point to 122.14.229.0 IP addresses.