ustool.com - dns.ninja
ustool.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=1780580239 | ||||||
Subdomains
www.ustool.com |
Same first word
Similar names
DNS History
12 records (5 active, 7 former)
○NSns0.dnsmadeeasy.com2015-07-15 → 2017-08-14 · 4 obs
● 2017-08-14 15:57:46
○ 2026-02-19 12:36:04
○ 2026-06-04 13:42:52
○NSns1.dnsmadeeasy.com2015-07-15 → 2017-08-14 · 4 obs
● 2017-08-14 15:57:46
○ 2026-02-19 12:36:04
○ 2026-06-04 13:42:52
○NSns2.dnsmadeeasy.com2015-07-15 → 2017-08-14 · 4 obs
● 2017-08-14 15:57:46
○ 2026-02-19 12:36:04
○ 2026-06-04 13:42:52
○NSns3.dnsmadeeasy.com2015-07-15 → 2017-08-14 · 4 obs
● 2017-08-14 15:57:46
○ 2026-02-19 12:36:04
○ 2026-06-04 13:42:52
●NSns39.domaincontrol.com2026-02-19 → 2026-06-04 · 3 obs
● 2026-02-19 12:36:04
● 2026-06-04 13:42:52
○NSns4.dnsmadeeasy.com2015-07-15 → 2017-08-14 · 4 obs
● 2017-08-14 15:57:46
○ 2026-02-19 12:36:04
○ 2026-06-04 13:42:52
●NSns40.domaincontrol.com2026-02-19 → 2026-06-04 · 3 obs
● 2026-02-19 12:36:04
● 2026-06-04 13:42:52
●MXmail.protonmail.ch2026-02-19 → 2026-06-04 · 3 obs
● 2026-02-19 12:36:04
● 2026-06-04 13:42:52
●MXmailsec.protonmail.ch2026-02-19 → 2026-06-04 · 3 obs
● 2026-02-19 12:36:04
● 2026-06-04 13:42:52
○MXustool-com.mail.protection.outlook.com2015-07-15 → 2017-08-14 · 4 obs
● 2017-08-14 15:57:46
○ 2026-02-19 12:36:04
○ 2026-06-04 13:42:52
○A209.191.186.1012015-07-15 → 2017-08-14 · 4 obs
● 2017-08-14 15:57:46
○ 2026-02-19 12:36:04
○ 2026-06-04 13:42:52
●A3.128.101.1972026-02-19 → 2026-06-04 · 3 obs
● 2026-02-19 12:36:04
● 2026-06-04 13:42:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net... | - |
| ustool.com | ns39.domaincontrol.com, ns40.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.109.20
NS records: ns39.domaincontrol.com, ns40.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ustool.com (unsigned zone)
⏱️ Timing
Total: 197ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 3.128.101.197 |
| NS | 2 | ns39.domaincontrol.com, ns40.domaincontrol.com |
| MX | 2 | mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20) |
| TXT | 2 | v=spf1 include:_spf.protonmail.ch mx ~al, protonmail-verification=6d534e2353e304a9 |
| SOA | 1 | ns39.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns39.domaincontrol.com, ns39.domaincontrol.com, ns40.domaincontrol.com...)
Analysis
Hierarchy
ustool.com is a parent domain of www.ustool.com.
IP Addresses
ustool.com points to a single IP number: 3.128.101.197.
Additional host names — ec2-3-128-101-197.us-east-2.compute.amazonaws.com, cfi1.org, durexindustries.com and two others — share IP numbers with ustool.com.
Name Servers
DNS delegation for ustool.com points to two name servers: ns39.domaincontrol.com and ns40.domaincontrol.com.
ustool.com shares its name server setup with other domains, including pkbag.com, iamventures.com, placemybet.net and two others.
ustool.com has partial name server overlap with other domains, including ucm.cloud.
ns39.domaincontrol.com directs to 97.74.109.20 and 2603:5:21d1::14. ns40.domaincontrol.com directs to 173.201.77.20 and 2603:5:22d1::14. Each host name carries two IP addresses.
Mail Servers
ustool.com has two mail servers: mail.protonmail.ch and mailsec.protonmail.ch.
ustool.com shares the same mail server setup as other domains, including mona.irc.ag, maileroo.com, qng.se and two others.
ustool.com shares mail servers — at least in part — with other domains, including serverbabe.io, theorytest.com, jellyfine.net and two others.
mail.protonmail.ch and mailsec.protonmail.ch each resolve to three IP addresses. mail.protonmail.ch resolves to 176.119.200.128, 185.70.42.128 and 185.205.70.128. mailsec.protonmail.ch resolves to 176.119.200.129, 185.70.42.129 and 185.205.70.129.