mastercontent.com - dns.ninja
mastercontent.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 68.66.226.110🇺🇸 A2HOSTING68.66.224.0/20 A2 Hosting, Inc. | ||||||
| PTR | az1-ts9.a2hosting.com | ||||||
| NS | ns1.a2hosting.com ⭐ | ||||||
| A | 13.248.158.180🇺🇸 Amazon13.248.144.0/20 | ||||||
| PTR | a79764cc55c0ac9c0.awsglobalaccelerator.com | ||||||
| NS | ns2.a2hosting.com | ||||||
| A | 75.2.118.134🇺🇸 Amazon75.2.112.0/20 | ||||||
| PTR | abc65dd9a44b5332f.awsglobalaccelerator.com | ||||||
| NS | ns3.a2hosting.com | ||||||
| A | 76.223.26.245🇺🇸 Amazon76.223.16.0/20 | ||||||
| PTR | a79764cc55c0ac9c0.awsglobalaccelerator.com | ||||||
| NS | ns4.a2hosting.com | ||||||
| A | 99.83.147.209🇺🇸 Amazon99.83.144.0/20 | ||||||
| PTR | abc65dd9a44b5332f.awsglobalaccelerator.com | ||||||
| MX | mail.mastercontent.com ⭐ | ||||||
| A | 68.66.226.110🇺🇸 A2HOSTING68.66.224.0/20 A2 Hosting, Inc. | ||||||
| PTR | az1-ts9.a2hosting.com | ||||||
| TXT | v=spf1 +a +mx +ip4:68.66.226.110 include:spf.a2hosting.com ~all | ||||||
| SOA | ns1.a2hosting.comroot@az1-ts9.a2hosting.com 2026-05-29 #2 | ||||||
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=1782859796 | ||||||
Subdomains
Same first word
mastercontent.ru |
mastercontent.com |
Similar names
contentmaster.de |
contentmaster.co.uk |
contentmaster.am |
contentstream.de |
contentstream.net |
contentmaster.org |
contentstream.org |
contentmaster.com |
contentstream.pl |
contentmaster.ru |
streamcontent.com |
DNS History
11 records (6 active, 5 former)
●NSns1.a2hosting.com2026-02-28 → 2026-06-30 · 3 obs
● 2026-02-28 00:17:24
● 2026-06-30 23:15:34
○NSns1.sydentic.com2015-05-27 → 2017-09-03 · 4 obs
● 2017-09-03 16:35:44
○ 2026-02-28 00:17:24
○ 2026-06-30 23:15:34
●NSns2.a2hosting.com2026-02-28 → 2026-06-30 · 3 obs
● 2026-02-28 00:17:24
● 2026-06-30 23:15:34
○NSns2.sydentic.com2015-05-27 → 2017-09-03 · 4 obs
● 2017-09-03 16:35:44
○ 2026-02-28 00:17:24
○ 2026-06-30 23:15:34
●NSns3.a2hosting.com2026-02-28 → 2026-06-30 · 3 obs
● 2026-02-28 00:17:24
● 2026-06-30 23:15:34
●NSns4.a2hosting.com2026-02-28 → 2026-06-30 · 3 obs
● 2026-02-28 00:17:24
● 2026-06-30 23:15:34
●MXmail.mastercontent.com2026-02-28 → 2026-06-30 · 3 obs
● 2026-02-28 00:17:24
● 2026-06-30 23:15:34
○MXmx1.mastercontent.com2015-05-27 → 2017-09-03 · 4 obs
● 2017-09-03 16:35:44
○ 2026-02-28 00:17:24
○ 2026-06-30 23:15:34
○MXmx2.mastercontent.com2015-05-27 → 2017-09-03 · 4 obs
● 2017-09-03 16:35:44
○ 2026-02-28 00:17:24
○ 2026-06-30 23:15:34
○A217.13.196.422015-05-27 → 2017-09-03 · 4 obs
● 2017-09-03 16:35:44
○ 2026-02-28 00:17:24
○ 2026-06-30 23:15:34
●A68.66.226.1102026-02-28 → 2026-06-30 · 3 obs
● 2026-02-28 00:17:24
● 2026-06-30 23:15:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net... | - |
| mastercontent.com | ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com, ns4.a2hosting.com | 4 records |
✅ Authoritative Response
Server:13.248.158.180
NS records: ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com, ns4.a2hosting.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mastercontent.com (unsigned zone)
⏱️ Timing
Total: 101ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 68.66.226.110 |
| NS | 4 | ns4.a2hosting.com, ns2.a2hosting.com... |
| MX | 1 | mail.mastercontent.com (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:68.66.226.110 include |
| SOA | 1 | ns1.a2hosting.com root.az1-ts9.a2hosting |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com...)
Analysis
Hierarchy
The parent domain of www.mastercontent.com and mail.mastercontent.com is mastercontent.com.
IP Addresses
mastercontent.com directs to one IP number, which is 68.66.226.110.
Among the host names that share IP numbers with mastercontent.com are atriam.com.br, workhardanywhere.com, casonfinancialgroup.com and two others.
Name Servers
The domain mastercontent.com is delegated to these four name servers: ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com and ns4.a2hosting.com.
At least some of mastercontent.com's name servers are shared with other domains, for example onvf.com, reeddynamics.com, garlandscapedesign.com and two more.
These name servers tend to co-occur with ns1.supercp.com, ns2.supercp.com, ns3.supercp.com and 3 other name servers in the same DNS delegations.
ns1.a2hosting.com resolves to 13.248.158.180. ns2.a2hosting.com resolves to 75.2.118.134. ns3.a2hosting.com resolves to 76.223.26.245. ns4.a2hosting.com resolves to 99.83.147.209. All four hosts carry exactly one IP address.
Mail Servers
mastercontent.com routes its mail through a single mail server, mail.mastercontent.com.
mail.mastercontent.com resolves to a single IP number: 68.66.226.110.