skillbuilder.co - dns.ninja
skillbuilder.co
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759685478 | ||||||
Same first word
skillbuilder.ca |
skillbuilder.com |
skillbuilder.org |
skillbuilder.io |
skillbuilder.co |
skillbuilder.in |
skillbuilder.aws |
skillbuilder.net |
DNS History
6 records (5 active, 1 former)
●NSns57.domaincontrol.com2015-12-11 → 2026-06-19 · 2 obs
● 2026-06-19 00:51:28
●NSns58.domaincontrol.com2015-12-11 → 2026-06-19 · 2 obs
● 2026-06-19 00:51:28
●MXmailstore1.secureserver.net2015-12-11 → 2026-06-19 · 2 obs
● 2026-06-19 00:51:28
●MXsmtp.secureserver.net2015-12-11 → 2026-06-19 · 2 obs
● 2026-06-19 00:51:28
●A104.43.142.332016-03-19 → 2026-06-19 · 3 obs
● 2016-03-19 10:24:50
● 2026-06-19 00:51:28
○A50.63.202.482015-12-11 → 2015-12-11 · 3 obs
○ 2016-03-19 10:24:50
○ 2026-06-19 00:51:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | b.registrydns.co, a.registrydns.co, d.registrydns.co, c.registrydns.co | - |
| skillbuilder.co | ns57.domaincontrol.com, ns58.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.108.29
NS records: ns57.domaincontrol.com, ns58.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for skillbuilder.co (unsigned zone)
⏱️ Timing
Total: 289ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 104.43.142.33 |
| NS | 2 | ns57.domaincontrol.com, ns58.domaincontrol.com |
| MX | 2 | mailstore1.secureserver.net (pri: 10), smtp.secureserver.net (pri: 0) |
| TXT | 3 | v=spf1 include:sendgrid.net ~all, j2heivj7ap9cpfbp4iv1ivuob3... |
| SOA | 1 | ns57.domaincontrol.com dns.jomax.net |
Analysis
IP Addresses
skillbuilder.co resolves to just one IP address, 104.43.142.33.
Two other host names, along with bowifoundation.com, sosportz.com and sw.org.swhp.org, also share IP numbers with skillbuilder.co.
Name Servers
skillbuilder.co is delegated to two name servers: ns57.domaincontrol.com and ns58.domaincontrol.com.
skillbuilder.co shares its NS records with other domains, for example rudebliss.com, leadprime.com, heardshop.com and two others.
ns57.domaincontrol.com and ns58.domaincontrol.com each resolve to two IP addresses: ns57.domaincontrol.com points to 97.74.108.29 and 2603:5:21c2::1d, while ns58.domaincontrol.com points to 173.201.76.29 and 2603:5:22c2::1d.
Mail Servers
skillbuilder.co is served by two mail servers, mailstore1.secureserver.net and smtp.secureserver.net.
Among the domains sharing a mail server setup with skillbuilder.co are calleo.org, oliviamabel.com, fozai.net and two others.
At least a portion of skillbuilder.co's mail servers are shared with other domains, among them altindals.com and generalseoinc.com.
The hosts mailstore1.secureserver.net and smtp.secureserver.net both resolve to three IP numbers: mailstore1.secureserver.net to 216.69.141.78, 216.69.141.114 and 216.69.141.162, and smtp.secureserver.net to 216.69.141.71, 216.69.141.84 and 216.69.141.113.