mastercoursebuilder.com - robtex.com
mastercoursebuilder.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 69.167.167.23🇺🇸 LiquidWeb69.167.128.0/18 Liquid Web LLC 2703 Ena Dr. Lansing, MI 48917 | ||||||
| PTR | masterblaster.liquidweb.com | ||||||
| NS | ns1.liquidweb.com ⭐ | ||||||
| A | 2607:fad0:0:8927::a🇺🇸 LiquidWeb2607:fad0::/48 Vultr Customer Route | ||||||
| A | 69.16.223.254🇺🇸 LiquidWeb69.16.222.0/23 Liquidweb Inc | ||||||
| PTR | ns1.liquidweb.com | ||||||
| NS | ns.liquidweb.com | ||||||
| A | 2607:fad0:0:8917::a🇺🇸 LiquidWeb2607:fad0::/48 Vultr Customer Route | ||||||
| A | 69.16.222.254🇺🇸 LiquidWeb69.16.222.0/23 Liquidweb Inc | ||||||
| PTR | ns.liquidweb.com | ||||||
| MX | mastercoursebuilder.com ⭐ | ||||||
| A | 69.167.167.23🇺🇸 LiquidWeb69.167.128.0/18 Liquid Web LLC 2703 Ena Dr. Lansing, MI 48917 | ||||||
| PTR | masterblaster.liquidweb.com | ||||||
| SOA | ns.liquidweb.comadmin@liquidweb.com 2016-02-29 #0 | ||||||
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=1793084896 | ||||||
MX for
mastercoursebuilder.com |
Same first word
mastercoursebuilder.com |
Similar names
Previous names
Next names
DNS History
4 records (4 active, 0 former)
●NSns.liquidweb.com2016-12-14 → 2026-10-27 · 2 obs
● 2026-10-27 07:26:30
●NSns1.liquidweb.com2016-12-14 → 2026-10-27 · 2 obs
● 2026-10-27 07:26:30
●MXmastercoursebuilder.com2016-12-14 → 2026-10-27 · 2 obs
● 2026-10-27 07:26:30
●A69.167.167.232016-12-14 → 2026-10-27 · 2 obs
● 2026-10-27 07:26:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| mastercoursebuilder.com | ns.liquidweb.com, ns1.liquidweb.com | 2 records |
✅ Authoritative Response
Server:69.16.223.254
NS records: ns.liquidweb.com, ns1.liquidweb.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mastercoursebuilder.com (unsigned zone)
⏱️ Timing
Total: 940ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 69.167.167.23 |
| NS | 2 | ns.liquidweb.com, ns1.liquidweb.com |
| MX | 1 | mastercoursebuilder.com (pri: 10) |
| SOA | 1 | ns.liquidweb.com admin.liquidweb.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.liquidweb.com, ns1.liquidweb.com)
Analysis
Mail Server Role
mastercoursebuilder.com handles its own mail, functioning as its own mail server.
IP Addresses
mastercoursebuilder.com resolves to just one IP address, 69.167.167.23.
Name Servers
mastercoursebuilder.com uses two name servers for its delegation: ns1.liquidweb.com and ns.liquidweb.com.
mastercoursebuilder.com shares its NS records with other domains, for example hunksofhorror.com, pumpkincarvingpatterns.com, syspublishers.com and two others.
There is at least partial name server overlap between mastercoursebuilder.com and other domains — scruta.com, burbank-orthodontics.com, arteginia.com and two more among them.
The name servers ns1.sourcedns.com, ns.sourcedns.com, ns2.liquidweb.com and two others are commonly seen in use alongside these name servers.
The two host names ns1.liquidweb.com and ns.liquidweb.com each have a pair of IP addresses: ns1.liquidweb.com has 69.16.223.254 and 2607:fad0:0:8927::a, and ns.liquidweb.com has 69.16.222.254 and 2607:fad0:0:8917::a.
Mail Servers
mastercoursebuilder.com is served by just one mail server: mastercoursebuilder.com.
mastercoursebuilder.com directs to just one IP number, 69.167.167.23.