knowfirst.net - robtex.com
knowfirst.net
net
| 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=1778794051 | ||||||
Previously MX for
knowfirst.net |
Same first word
Similar names
DNS History
13 records (6 active, 7 former)
○NSns1.hostnow.org2015-07-22 → 2016-06-20 · 5 obs
● 2015-07-22 19:20:26
● 2016-06-20 08:00:12
○ 2017-02-12 16:53:54
○ 2026-05-14 21:32:22
○NSns1.thagoonavps.net2007-10-11 → 2007-10-11 · 3 obs
○ 2015-07-22 19:20:26
○ 2026-05-14 21:32:22
○NSns2.hostnow.org2015-07-22 → 2016-06-20 · 5 obs
● 2015-07-22 19:20:26
● 2016-06-20 08:00:12
○ 2017-02-12 16:53:54
○ 2026-05-14 21:32:22
○NSns2.thagoonavps.net2007-10-11 → 2007-10-11 · 3 obs
○ 2015-07-22 19:20:26
○ 2026-05-14 21:32:22
●NSns37.domaincontrol.com2026-05-06 → 2026-05-14 · 3 obs
● 2026-05-06 22:26:36
● 2026-05-14 21:32:22
●NSns38.domaincontrol.com2026-05-06 → 2026-05-14 · 3 obs
● 2026-05-06 22:26:36
● 2026-05-14 21:32:22
○MXknowfirst.net2007-10-11 → 2016-06-20 · 4 obs
● 2016-06-20 08:00:12
○ 2017-02-12 16:53:54
○ 2026-05-14 21:32:22
●MXmailstore1.secureserver.net2026-05-06 → 2026-05-14 · 3 obs
● 2026-05-06 22:26:36
● 2026-05-14 21:32:22
●MXsmtp.secureserver.net2026-05-06 → 2026-05-14 · 3 obs
● 2026-05-06 22:26:36
● 2026-05-14 21:32:22
○A108.179.249.922015-07-22 → 2016-06-20 · 5 obs
● 2015-07-22 19:20:26
● 2016-06-20 08:00:12
○ 2017-02-12 16:53:54
○ 2026-05-14 21:32:22
●A15.197.148.332026-05-06 → 2026-05-14 · 3 obs
● 2026-05-06 22:26:36
● 2026-05-14 21:32:22
●A3.33.130.1902026-05-06 → 2026-05-14 · 3 obs
● 2026-05-06 22:26:36
● 2026-05-14 21:32:22
○A58.145.192.1172007-10-11 → 2007-10-11 · 3 obs
○ 2015-07-22 19:20:26
○ 2026-05-14 21:32:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | c.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net... | - |
| knowfirst.net | ns37.domaincontrol.com, ns38.domaincontrol.com | - |
✅ Authoritative Response
Server:173.201.76.19
NS records: ns37.domaincontrol.com, ns38.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knowfirst.net (unsigned zone)
⏱️ Timing
Total: 249ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | ns37.domaincontrol.com, ns38.domaincontrol.com |
| MX | 2 | mailstore1.secureserver.net (pri: 10), smtp.secureserver.net (pri: 0) |
| SOA | 1 | ns37.domaincontrol.com dns.jomax.net |
Analysis
IP Addresses
knowfirst.net points to two IP numbers: 3.33.130.190 and 15.197.148.33.
Other host names such as brigadeloft.com, gosauceyoself.com, rishmanathoo.com, craveco.com and credito.mobi share IPs with knowfirst.net.
Name Servers
Two name servers ns37.domaincontrol.com and ns38.domaincontrol.com handle the delegation for knowfirst.net.
knowfirst.net shares the same name server setup as other domains, for example tommybode.com, nugsand.org, gay(0x6675636b)tube.com, livingthegourmet.net and beatlabs.us.
Host names with two IP numbers:
ns37.domaincontrol.com points to 2603:5:21c1::13 and 97.74.108.19.
ns38.domaincontrol.com points to 2603:5:22c1::13 and 173.201.76.19.
Mail Servers
Two mail servers handle knowfirst.net: mailstore1.secureserver.net and smtp.secureserver.net.
knowfirst.net shares the same mail server setup as other domains, including impactlearning.net, smartbuyjanesville.com, trogee.com, brokerbinroadshow.com and dingcredit.com.
knowfirst.net shares some mail servers with other domains, for example wholesale55.com.
Host names with three IP numbers:
mailstore1.secureserver.net points to 216.69.141.78, 216.69.141.114 and 216.69.141.162; smtp.secureserver.net points to 216.69.141.71, 216.69.141.84 and 216.69.141.113.