certstud.com - robtex.com
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certstud.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=1770701312 | ||||||
Same first word
certstud.com |
Similar names
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, f.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net... | - |
| certstud.com | ns1.vercel-dns.com, ns2.vercel-dns.com | 4 records |
✅ Authoritative Response
Server: 198.51.44.13
NS records: ns1.vercel-dns.com, ns2.vercel-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for certstud.com (unsigned zone)
⏱️ Timing
Total: 168ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 216.150.1.129, 216.150.16.129 |
| NS | 2 | ns1.vercel-dns.com, ns2.vercel-dns.com |
| MX | 3 | mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)... |
| TXT | 3 | google-site-verification=ivxfXNkpS1Ox_Gy, v=spf1 include:zohomail.com ~all... |
| SOA | 1 | ns1.vercel-dns.com hostmaster.nsone.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.vercel-dns.com, ns1.vercel-dns.com, ns2.vercel-dns.com...)
AI analysis
certstud.com resolves to two IP numbers: 216.150.16.129 and 216.150.16.193.
other host names including a5956fab81359a4a.vercel-dns-016.com, ae29cb092b08ec3a.vercel-dns-016.com, ftp.ilse.nl, questionsyouask.com and 3b5e505734c8b1fd.vercel-dns-016.com share IP numbers with certstud.com.
certstud.com is delegated to two name servers ns1.vercel-dns.com and ns2.vercel-dns.com.
certstud.com shares the same name server setup as other domains, for instance danama.ru, auduongtuan.com, goalchasers.com, ndrwksr.com and lavatransforms.org.
certstud.com at least partially shares name servers with other domains, for instance mein-kaleidoskop.info, expoya.com, chyna.design and acorn.family.
these name servers are often used together with f.zeit-world.com, a.zeit-world.net, e.zeit-world.org and b.zeit-world.co.uk.
Host names with two IP numbers:
The host name ns1.vercel-dns.com points to 2620:4d:4000:6259:7:13:0:1 and 198.51.44.13; the host name ns2.vercel-dns.com points to 2a00:edc0:6259:7:13::2 and 198.51.45.13.
certstud.com is handled by three mail servers: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.
certstud.com shares some mail servers with other domains, at least partially, for instance mattressdepotsouth.com, palmhill.vn, dimension10.ca, mercysoft.com and 99solutionsllc.com.
these mail servers are often used alongside aspmx2.googlemail.com, aspmx3.googlemail.com and aspmx.l.google.com.
Host names with two IP numbers: mx.zoho.com points to 136.143.183.44 and 204.141.43.44.
Host names with one IP number: mx2.zoho.com points to 136.143.183.44. mx3.zoho.com points to 204.141.43.44.
Host names pointing to 136.143.183.44: mx.zoho.com and mx2.zoho.com.
Host names pointing to 204.141.43.44: mx.zoho.com and mx3.zoho.com.