tech-knowhow.com - robtex.com
tech-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=1771291435 | ||||||
Subdomains
Same first word
tech-knowhow.com |
DNS History
16 records (4 active, 12 former)
●NScortney.ns.cloudflare.com2016-03-22 → 2026-03-24 · 3 obs
● 2016-03-22 09:00:40
● 2026-03-24 09:01:26
●NSdave.ns.cloudflare.com2016-03-22 → 2026-03-24 · 3 obs
● 2016-03-22 09:00:40
● 2026-03-24 09:01:26
○NSns1.m57.siteground.biz2015-07-23 → 2015-12-06 · 4 obs
● 2015-12-06 14:24:14
○ 2016-03-22 09:00:40
○ 2026-03-24 09:01:26
○NSns2.m57.siteground.biz2015-07-23 → 2015-12-06 · 4 obs
● 2015-12-06 14:24:14
○ 2016-03-22 09:00:40
○ 2026-03-24 09:01:26
○MXalt1.aspmx.l.google.com2015-07-23 → 2015-12-06 · 4 obs
● 2015-12-06 14:24:14
○ 2016-03-22 09:00:40
○ 2026-03-24 09:01:26
○MXalt2.aspmx.l.google.com2015-07-23 → 2016-09-08 · 4 obs
● 2016-09-08 16:21:28
○ 2018-07-15 09:57:10
○ 2026-03-24 09:01:26
○MXaspmx.l.google.com2015-07-23 → 2016-09-08 · 4 obs
● 2016-09-08 16:21:28
○ 2018-07-15 09:57:10
○ 2026-03-24 09:01:26
○MXaspmx2.googlemail.com2015-07-23 → 2016-09-08 · 4 obs
● 2016-09-08 16:21:28
○ 2018-07-15 09:57:10
○ 2026-03-24 09:01:26
○MXaspmx3.googlemail.com2015-07-23 → 2016-09-08 · 4 obs
● 2016-09-08 16:21:28
○ 2018-07-15 09:57:10
○ 2026-03-24 09:01:26
●MXmail.tech-knowhow.com2026-03-14 → 2026-03-24 · 3 obs
● 2026-03-14 11:16:50
● 2026-03-24 09:01:26
○MXscanner02.mail.supportedns.com2016-03-22 → 2016-09-08 · 5 obs
● 2016-03-22 09:00:40
● 2016-09-08 16:21:28
○ 2018-07-15 09:57:10
○ 2026-03-24 09:01:26
○MXsmtp1.mailfence.com2018-07-15 → 2018-07-15 · 4 obs
● 2018-07-15 09:57:10
○ 2026-03-14 11:16:50
○ 2026-03-24 09:01:26
○MXsmtp2.mailfence.com2018-07-15 → 2018-07-15 · 4 obs
● 2018-07-15 09:57:10
○ 2026-03-14 11:16:50
○ 2026-03-24 09:01:26
○A162.244.253.1512016-03-22 → 2018-07-15 · 5 obs
● 2016-03-22 09:00:40
● 2018-07-15 09:57:10
○ 2026-03-14 11:16:50
○ 2026-03-24 09:01:26
●A195.35.15.412026-03-14 → 2026-03-24 · 3 obs
● 2026-03-14 11:16:50
● 2026-03-24 09:01:26
○A69.175.81.2352015-07-23 → 2015-12-06 · 4 obs
● 2015-12-06 14:24:14
○ 2016-03-22 09:00:40
○ 2026-03-24 09:01:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| tech-knowhow.com | dave.ns.cloudflare.com, cortney.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.109
NS records: dave.ns.cloudflare.com, cortney.ns.cloudflare.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1144ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 195.35.15.41 |
| NS | 2 | cortney.ns.cloudflare.com, dave.ns.cloudflare.com |
| MX | 1 | mail.tech-knowhow.com (pri: 10) |
| TXT | 2 | google-site-verification=KOdWLOELXTovz6Q, v=spf1 include:amazonses.com ~all |
| SOA | 1 | cortney.ns.cloudflare.com dns.cloudflare |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (dave.ns.cloudflare.com, dave.ns.cloudflare.com, dave.ns.cloudflare.com...)
Analysis
Hierarchy
tech-knowhow.com is a parent of www.tech-knowhow.com and mail.tech-knowhow.com.
IP Addresses
tech-knowhow.com resolves to one IP number: 195.35.15.41.
Other host names, for instance canalesdelmundo.com, karnipackersandmovers.com, wealthcaves.com, 4webspace.net and is4.us share IP numbers with tech-knowhow.com.
Name Servers
tech-knowhow.com's delegation uses two name servers: cortney.ns.cloudflare.com and dave.ns.cloudflare.com.
tech-knowhow.com uses the same name server setup as other domains, such as 13century.com, valleygreenbank.com, autoaccidentattorneysanantonio.org, e-homemarket.com and bigboot.de.
tech-knowhow.com at least partially shares name servers with other domains, including andy-bell.co.uk, 176zzz.net, liaoningnanlanguanfangwangzhan.org.cn, bizay.cz and osselonline.com.br.
These name servers are commonly used together with the name servers mimi.ns.cloudflare.com, dana.ns.cloudflare.com, gina.ns.cloudflare.com and carmelo.ns.cloudflare.com.
Host names with six IP numbers:
cortney.ns.cloudflare.com points to 2606:4700:50::adf5:3a57, 2803:f800:50::6ca2:c057, 2a06:98c1:50::ac40:2057, 108.162.192.87, 172.64.32.87 and 173.245.58.87.
dave.ns.cloudflare.com points to 2606:4700:58::adf5:3b6d, 2803:f800:50::6ca2:c16d, 2a06:98c1:50::ac40:216d, 108.162.193.109, 172.64.33.109 and 173.245.59.109.
Mail Servers
A single mail server handles tech-knowhow.com, mail.tech-knowhow.com.
The host name mail.tech-knowhow.com resolves to two IP numbers: 2a02:c207:2310:4191::1 and 217.76.49.84.