onlinecoursemasterclass.com - robtex.com
onlinecoursemasterclass.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.gnldm4.siteground.biz ⚠️ Not in zone NS records | ||||||
| A | 75.2.77.104🇺🇸 Amazon75.2.64.0/20 | ||||||
| PTR | ac4b097dbd0dd6307.awsglobalaccelerator.com | ||||||
| NS | ns2.gnldm4.siteground.biz ⚠️ Not in zone NS records | ||||||
| A | 99.83.229.113🇺🇸 Amazon99.83.224.0/20 | ||||||
| PTR | ac4b097dbd0dd6307.awsglobalaccelerator.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=1775983122 | ||||||
Same first word
onlinecoursemasterclass.com |
DNS History
10 records (2 active, 8 former)
○NSdns1.registrar-servers.com2017-05-11 → 2017-05-11 · 2 obs
○ 2026-04-12 08:59:46
○NSdns2.registrar-servers.com2017-05-11 → 2017-05-11 · 2 obs
○ 2026-04-12 08:59:46
●NSns1.gnldm4.siteground.biz2026-04-12 → 2026-04-12 · 2 obs
● 2026-04-12 08:59:46
●NSns2.gnldm4.siteground.biz2026-04-12 → 2026-04-12 · 2 obs
● 2026-04-12 08:59:46
○MXeforward1.registrar-servers.com2017-05-11 → 2017-05-11 · 2 obs
○ 2026-04-12 08:59:46
○MXeforward2.registrar-servers.com2017-05-11 → 2017-05-11 · 2 obs
○ 2026-04-12 08:59:46
○MXeforward3.registrar-servers.com2017-05-11 → 2017-05-11 · 2 obs
○ 2026-04-12 08:59:46
○MXeforward4.registrar-servers.com2017-05-11 → 2017-05-11 · 2 obs
○ 2026-04-12 08:59:46
○MXeforward5.registrar-servers.com2017-05-11 → 2017-05-11 · 2 obs
○ 2026-04-12 08:59:46
○A192.64.119.212017-05-11 → 2017-05-11 · 2 obs
○ 2026-04-12 08:59:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| onlinecoursemasterclass.com | ns1.gnldm4.siteground.biz, ns2.gnldm4.siteground.biz | - |
✅ Authoritative Response
Server:99.83.229.113
NS records: ns1.gnldm4.siteground.biz, ns2.gnldm4.siteground.biz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for onlinecoursemasterclass.com (unsigned zone)
⏱️ Timing
Total: 367ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
onlinecoursemasterclass.com's delegation is to two name servers ns1.gnldm4.siteground.biz and ns2.gnldm4.siteground.biz.
onlinecoursemasterclass.com uses the same name server setup as other domains, for example tonight.gr and gnldm4.siteground.biz.
onlinecoursemasterclass.com at least partially shares its name servers with other domains, for instance quemme.com, mcouto.es, dentalife.es, shothouse.it and hauntedghosts.co.uk.
These name servers are commonly used alongside ns1.siteground.net and ns2.siteground.net.
Host names with a single IP:
ns1.gnldm4.siteground.biz resolves to 75.2.77.104.
ns2.gnldm4.siteground.biz resolves to 99.83.229.113.