dubiousknowledge.com - robtex.com
dubiousknowledge.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 | ||||||
Same first word
dubiousknowledge.com |
DNS History
7 records (6 active, 1 former)
●NSns77.domaincontrol.com2015-08-08 → 2026-03-24 · 2 obs
● 2026-03-24 07:54:40
●NSns78.domaincontrol.com2015-08-08 → 2026-03-24 · 2 obs
● 2026-03-24 07:54:40
●MXmailstore1.secureserver.net2015-08-08 → 2026-03-24 · 2 obs
● 2026-03-24 07:54:40
●MXsmtp.secureserver.net2015-08-08 → 2026-03-24 · 2 obs
● 2026-03-24 07:54:40
●A15.197.148.332026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 07:54:40
●A3.33.130.1902026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 07:54:40
○A50.63.202.622015-08-08 → 2017-05-13 · 3 obs
● 2017-05-13 19:30:16
○ 2026-03-24 07:54:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| dubiousknowledge.com | ns77.domaincontrol.com, ns78.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:97.74.108.49
NS records: ns77.domaincontrol.com, ns78.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dubiousknowledge.com (unsigned zone)
⏱️ Timing
Total: 956ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 3.33.130.190, 15.197.148.33 |
| NS | 2 | ns77.domaincontrol.com, ns78.domaincontrol.com |
| MX | 2 | mailstore1.secureserver.net (pri: 10), smtp.secureserver.net (pri: 0) |
| SOA | 1 | ns77.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns77.domaincontrol.com, ns77.domaincontrol.com, ns78.domaincontrol.com...)
Analysis
IP Addresses
dubiousknowledge.com points to two IPs: 3.33.130.190 and 15.197.148.33.
Other host names including workshopcoacademy.com, zactyturner.net, hvacgarage.com, 22161.com and domkota.com share IP numbers with dubiousknowledge.com.
Name Servers
dubiousknowledge.com's delegation uses two name servers, ns77.domaincontrol.com and ns78.domaincontrol.com.
dubiousknowledge.com shares the same name server setup as other domains, for example adriangagnon.com, tcipartnersllc.com, sirenashop.com, cloudjibe.com and misacordes.com.
Host names with two IPs:
ns77.domaincontrol.com points to: 2603:5:21c4::31 and 97.74.108.49
ns78.domaincontrol.com points to: 2603:5:22c4::31 and 173.201.76.49
Mail Servers
dubiousknowledge.com is handled by two mail servers: mailstore1.secureserver.net and smtp.secureserver.net.
dubiousknowledge.com shares its mail server setup with other domains, including golfinbalance.com, pisoenlaplaya.com, ostcium.com, tidesturn.com and donowensloans.com.
dubiousknowledge.com shares at least partially some mail servers with other domains, for instance upstep.com, simpsoncadillac.com and eclipse.network.
Host names with three IPs:
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