knowhow24.com - dns.ninja
knowhow24.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=1784184602 | ||||||
Subdomains
mail.knowhow24.com |
Same first word
knowhow24.com |
DNS History
10 records (8 active, 2 former)
●NSns.intersecure.co.kr2015-08-08 → 2026-07-16 · 2 obs
● 2026-07-16 06:53:30
●MXalt1.aspmx.l.google.com2015-08-08 → 2026-07-16 · 2 obs
● 2026-07-16 06:53:30
●MXalt2.aspmx.l.google.com2015-08-08 → 2026-07-16 · 2 obs
● 2026-07-16 06:53:30
●MXaspmx.l.google.com2015-08-08 → 2026-07-16 · 2 obs
● 2026-07-16 06:53:30
●MXaspmx2.googlemail.com2015-08-08 → 2026-07-16 · 2 obs
● 2026-07-16 06:53:30
●MXaspmx3.googlemail.com2015-08-08 → 2026-07-16 · 2 obs
● 2026-07-16 06:53:30
●MXmail.knowhow24.com2015-08-08 → 2026-07-16 · 2 obs
● 2026-07-16 06:53:30
○A112.221.251.2202016-06-27 → 2016-06-27 · 4 obs
● 2016-06-27 15:13:10
○ 2017-03-20 13:23:14
○ 2026-07-16 06:53:30
●A115.94.114.2192020-01-21 → 2026-07-16 · 3 obs
● 2020-01-21 18:47:00
● 2026-07-16 06:53:30
○A115.94.114.2202015-08-08 → 2017-03-20 · 6 obs
● 2016-02-26 14:33:38
○ 2016-06-27 15:13:10
● 2017-03-20 13:23:14
○ 2020-01-21 18:47:00
○ 2026-07-16 06:53:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net... | - |
| knowhow24.com | ns.intersecure.co.kr | - |
✅ Authoritative Response
Server:115.94.114.219
NS records: ns.intersecure.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knowhow24.com (unsigned zone)
⏱️ Timing
Total: 1154ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 115.94.114.219 |
| NS | 1 | ns.intersecure.co.kr |
| MX | 6 | alt2.aspmx.l.google.com (pri: 5), mail.KNOWHOW24.COM (pri: 10)... |
| SOA | 1 | ns.intersecure.co.kr root.interecure.co. |
Analysis
Hierarchy
mail.knowhow24.com is a subdomain of knowhow24.com.
IP Addresses
knowhow24.com has exactly one IP address — 115.94.114.219.
ns.intersecure.co.kr, mail.neoweapon.com, webfirewall.net plus two other host names have IP numbers in common with knowhow24.com.
Name Servers
DNS delegation for knowhow24.com leads to one name server, ns.intersecure.co.kr.
The name server configuration of knowhow24.com is shared with other domains, for instance cryptforens.net, forsecure.net, secretdetect.net and two others.
The name servers of knowhow24.com overlap at least partially with those of other domains — among them urigle.net, findpass.net, cyberarmy.co.kr and two more.
These name servers commonly appear in combination with the name servers ns2.intersecure.co.kr.
ns.intersecure.co.kr resolves to 115.94.114.219 and no other IP number.
Mail Servers
knowhow24.com has 6 mail servers — aspmx2.googlemail.com, aspmx3.googlemail.com, mail.knowhow24.com plus 3 other.
At least some of the mail servers used by knowhow24.com are shared with other domains: sysunit.net, holaswim.com, telephonetools.com and two others among them.
These mail servers are often deployed together with alt2.aspmx.l.google.com, aspmx.l.google.com, alt1.aspmx.l.google.com and 4 other mail servers.
Host names pointing to two IP addresses:
The A records for aspmx2.googlemail.com return 108.177.123.26 and 2800:3f0:4003:c0f::1b.
The A records for aspmx3.googlemail.com return 172.253.116.27 and 2a00:1450:400b:c02::1b.
The A records for aspmx.l.google.com return 142.251.163.26 and 2607:f8b0:4004:c25::1a.
The A records for alt1.aspmx.l.google.com return 108.177.123.27 and 2800:3f0:4003:c0f::1a.
The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1a.
Host names resolving to a single IP address:
mail.knowhow24.com resolves to the IP address 115.94.114.219.