techknow.biz - robtex.com
techknow.biz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.213.45🇺🇸 Amazon13.248.208.0/20 | ||||||
| PTR | a67c48129651a0940.awsglobalaccelerator.com | ||||||
| A | 76.223.67.189🇺🇸 Amazon76.223.64.0/20 | ||||||
| NS | ns49.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2182::19🇺🇸 GODADDY-DNS2603:5:2180::/44 | ||||||
| PTR | ns49.domaincontrol.com | ||||||
| A | 97.74.104.25🇺🇸 GODADDY-DNS97.74.104.0/23 | ||||||
| PTR | ns49.domaincontrol.com | ||||||
| NS | ns50.domaincontrol.com | ||||||
| A | 2603:5:2282::19🇺🇸 GODADDY-DNS2603:5:2280::/44 | ||||||
| PTR | ns50.domaincontrol.com | ||||||
| A | 173.201.72.25🇺🇸 GODADDY-DNS173.201.72.0/23 | ||||||
| PTR | ns50.domaincontrol.com | ||||||
| SOA | ns49.domaincontrol.comdns@jomax.net 2026-02-23 #0 | ||||||
biz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld.biz ⭐ | ||||||
| NS | b.gtld.biz | ||||||
| NS | c.gtld.biz | ||||||
| NS | m.gtld.biz | ||||||
| NS | n.gtld.biz | ||||||
| NS | w.gtld.biz | ||||||
| NS | x.gtld.biz | ||||||
| NS | y.gtld.biz | ||||||
| SOA | a.gtld.bizadmin@tldns.godaddy serial=1774763719 | ||||||
Same first word
Similar names
wktechno.com |
knowtech.gr |
knowtech.com |
kentchow.com |
knowtech.info |
knowtech.se |
techwonk.com |
knowtech.ws |
ktechnow.com |
konwtech.com |
knowtech.com.co |
knowtech.com.ar |
knowtech.cc |
knowtech.es |
DNS History
13 records (4 active, 9 former)
○NSdns1.namecheaphosting.com2015-06-17 → 2015-06-17 · 3 obs
○ 2016-11-29 18:33:50
○ 2026-03-29 06:30:56
○NSdns2.namecheaphosting.com2015-06-17 → 2015-06-17 · 3 obs
○ 2016-11-29 18:33:50
○ 2026-03-29 06:30:56
○NSns27.domaincontrol.com2017-07-05 → 2017-07-05 · 4 obs
● 2017-07-05 05:43:40
○ 2026-03-27 00:22:40
○ 2026-03-29 06:30:56
○NSns28.domaincontrol.com2017-07-05 → 2017-07-05 · 4 obs
● 2017-07-05 05:43:40
○ 2026-03-27 00:22:40
○ 2026-03-29 06:30:56
●NSns49.domaincontrol.com2026-03-27 → 2026-03-29 · 3 obs
● 2026-03-27 00:22:40
● 2026-03-29 06:30:56
●NSns50.domaincontrol.com2026-03-27 → 2026-03-29 · 3 obs
● 2026-03-27 00:22:40
● 2026-03-29 06:30:56
○MXmail.techknow.biz2015-06-17 → 2015-06-17 · 3 obs
○ 2016-11-29 18:33:50
○ 2026-03-29 06:30:56
○MXmailstore1.secureserver.net2017-07-05 → 2017-07-05 · 4 obs
● 2017-07-05 05:43:40
○ 2026-03-27 00:22:40
○ 2026-03-29 06:30:56
○MXsmtp.secureserver.net2017-07-05 → 2017-07-05 · 4 obs
● 2017-07-05 05:43:40
○ 2026-03-27 00:22:40
○ 2026-03-29 06:30:56
●A13.248.213.452026-03-27 → 2026-03-29 · 3 obs
● 2026-03-27 00:22:40
● 2026-03-29 06:30:56
○A184.168.221.362017-07-05 → 2017-07-05 · 4 obs
● 2017-07-05 05:43:40
○ 2026-03-27 00:22:40
○ 2026-03-29 06:30:56
○A68.65.121.1912015-06-17 → 2015-06-17 · 3 obs
○ 2016-11-29 18:33:50
○ 2026-03-29 06:30:56
●A76.223.67.1892026-03-27 → 2026-03-29 · 3 obs
● 2026-03-27 00:22:40
● 2026-03-29 06:30:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| biz | b.gtld.biz, n.gtld.biz, w.gtld.biz, m.gtld.biz... | - |
| techknow.biz | ns50.domaincontrol.com, ns49.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.104.25
NS records: ns50.domaincontrol.com, ns49.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for techknow.biz (unsigned zone)
⏱️ Timing
Total: 2011ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.67.189, 13.248.213.45 |
| NS | 2 | ns49.domaincontrol.com, ns50.domaincontrol.com |
| SOA | 1 | ns49.domaincontrol.com dns.jomax.net |
Analysis
IP Addresses
techknow.biz has two IP numbers: 13.248.213.45 and 76.223.67.189.
Other host names, for instance knowledge4utech.com, chrisvandermei.com, 123061d.com, iqscrubs.com and www.winfm.co.uk share IP numbers with techknow.biz.
Name Servers
techknow.biz's delegation uses two name servers: ns49.domaincontrol.com and ns50.domaincontrol.com.
techknow.biz uses the same name server setup as other domains, such as znug.net, adamsangels.net, customist.com, menatep.net and lifemark.com.
Host names with two IPs:
ns49.domaincontrol.com points to 2603:5:2182::19 and 97.74.104.25
ns50.domaincontrol.com points to 2603:5:2282::19 and 173.201.72.25