knowhow.com - dns.ninja
knowhow.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=1784993112 | ||||||
Subdomains
images.knowhow.com |
www.knowhow.com |
documents.knowhow.com |
leeds.knowhow.com |
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.netnames.net2015-08-17 → 2026-07-25 · 2 obs
● 2026-07-25 15:35:32
●NSns2.netnames.net2015-08-17 → 2026-07-25 · 2 obs
● 2026-07-25 15:35:32
●NSns5.netnames.net2015-08-17 → 2026-07-25 · 2 obs
● 2026-07-25 15:35:32
●NSns6.netnames.net2015-08-17 → 2026-07-25 · 2 obs
● 2026-07-25 15:35:32
●MXknowhow-com.mail.protection.outlook.com2015-08-17 → 2026-07-25 · 2 obs
● 2026-07-25 15:35:32
●A164.38.134.302015-08-17 → 2026-07-25 · 2 obs
● 2026-07-25 15:35:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, i.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net... | - |
| knowhow.com | ns2.netnames.net, ns1.netnames.net, ns5.netnames.net, ns6.netnames.net | - |
✅ Authoritative Response
Server:156.154.131.100
NS records: ns2.netnames.net, ns1.netnames.net, ns5.netnames.net, ns6.netnames.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knowhow.com (unsigned zone)
⏱️ Timing
Total: 2156ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 164.38.134.30 |
| NS | 4 | ns1.netnames.net, ns2.netnames.net... |
| MX | 1 | knowhow-com.mail.protection.outlook.com |
| TXT | 4 | MS=ms13041642, _3y5dinb6hrm58js0ixoenu5zrlqog21... |
| SOA | 1 | ns1.netnames.net hostmaster.cscdns.net |
Analysis
Hierarchy
images.knowhow.com, www.knowhow.com, documents.knowhow.com and leeds.knowhow.com are all subdomains of knowhow.com.
IP Addresses
knowhow.com has exactly one IP address — 164.38.134.30.
There are other host names — www.knowhow.com among them — that share IP numbers with knowhow.com.
Name Servers
Four name servers handle the delegation for knowhow.com: ns1.netnames.net, ns2.netnames.net, ns5.netnames.net and ns6.netnames.net.
The name servers of knowhow.com overlap at least partially with those of other domains — among them johnbrownpublishing.com, mce-expocomfort.com, itr3.com and two more.
ns1.netnames.net, ns2.netnames.net, ns5.netnames.net and ns6.netnames.net each have two IP addresses. Specifically, ns1.netnames.net resolves to 156.154.130.100 and 2610:a1:1022::100, ns2.netnames.net resolves to 156.154.131.100 and 2610:a1:1023::100, ns5.netnames.net resolves to 156.154.130.100 and 2610:a1:1022::100 and ns6.netnames.net resolves to 156.154.131.100 and 2610:a1:1023::100.
Host names pointing to 2610:a1:1022::100 IP addresses: ns1.netnames.net and ns5.netnames.net.
Host names pointing to 156.154.130.100 IP addresses: ns1.netnames.net and ns5.netnames.net.
Host names pointing to 2610:a1:1023::100 IP addresses: ns2.netnames.net and ns6.netnames.net.
Host names pointing to 156.154.131.100 IP addresses: ns2.netnames.net and ns6.netnames.net.
Mail Servers
knowhow.com uses one mail server — knowhow-com.mail.protection.outlook.com.
knowhow-com.mail.protection.outlook.com has 8 IP addresses: 52.101.73.6, 52.101.73.24, 52.101.73.26 plus 5 more.