mastermindco.com - dns.ninja
mastermindco.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=1786195844 | ||||||
MX for
mastermindco.com |
Subdomains
mx.mastermindco.com |
Same first word
mastermindco.com |
Similar names
DNS History
19 records (7 active, 12 former)
○NS01.dnsv.jp2015-10-29 → 2016-01-02 · 5 obs
● 2015-10-29 15:30:06
● 2016-01-02 21:34:06
○ 2016-03-29 10:13:04
○ 2026-08-08 13:54:40
○NS02.dnsv.jp2015-10-29 → 2016-01-02 · 5 obs
● 2015-10-29 15:30:06
● 2016-01-02 21:34:06
○ 2016-03-29 10:13:04
○ 2026-08-08 13:54:40
○NS03.dnsv.jp2015-10-29 → 2016-01-02 · 5 obs
● 2015-10-29 15:30:06
● 2016-01-02 21:34:06
○ 2016-03-29 10:13:04
○ 2026-08-08 13:54:40
○NS04.dnsv.jp2015-10-29 → 2016-01-02 · 5 obs
● 2015-10-29 15:30:06
● 2016-01-02 21:34:06
○ 2016-03-29 10:13:04
○ 2026-08-08 13:54:40
○NSns.dns4domain.net2009-01-12 → 2009-01-12 · 3 obs
○ 2015-05-29 19:18:22
○ 2026-08-08 13:54:40
○NSns01.gmoserver.jp2015-05-29 → 2015-05-29 · 4 obs
● 2015-05-29 19:18:22
○ 2015-10-29 15:30:06
○ 2026-08-08 13:54:40
○NSns02.gmoserver.jp2015-05-29 → 2015-05-29 · 4 obs
● 2015-05-29 19:18:22
○ 2015-10-29 15:30:06
○ 2026-08-08 13:54:40
●NSns1.xserver.jp2016-03-29 → 2026-08-08 · 3 obs
● 2016-03-29 10:13:04
● 2026-08-08 13:54:40
○NSns2.dns4domain.net2009-01-12 → 2009-01-12 · 3 obs
○ 2015-05-29 19:18:22
○ 2026-08-08 13:54:40
●NSns2.xserver.jp2016-03-29 → 2026-08-08 · 3 obs
● 2016-03-29 10:13:04
● 2026-08-08 13:54:40
●NSns3.xserver.jp2016-03-29 → 2026-08-08 · 3 obs
● 2016-03-29 10:13:04
● 2026-08-08 13:54:40
●NSns4.xserver.jp2016-03-29 → 2026-08-08 · 3 obs
● 2016-03-29 10:13:04
● 2026-08-08 13:54:40
●NSns5.xserver.jp2016-03-29 → 2026-08-08 · 3 obs
● 2016-03-29 10:13:04
● 2026-08-08 13:54:40
○MXmail.mastermindco.com2015-10-29 → 2016-01-02 · 5 obs
● 2015-10-29 15:30:06
● 2016-01-02 21:34:06
○ 2016-03-29 10:13:04
○ 2026-08-08 13:54:40
●MXmastermindco.com2009-01-12 → 2026-08-08 · 5 obs
○ 2015-05-29 19:18:22
○ 2016-01-02 21:34:06
● 2016-03-29 10:13:04
● 2026-08-08 13:54:40
○MXmx.mastermindco.com2015-05-29 → 2015-05-29 · 4 obs
● 2015-05-29 19:18:22
○ 2015-10-29 15:30:06
○ 2026-08-08 13:54:40
●A183.90.250.222016-03-29 → 2026-08-08 · 3 obs
● 2016-03-29 10:13:04
● 2026-08-08 13:54:40
○A210.172.150.392015-05-29 → 2015-05-29 · 4 obs
● 2015-05-29 19:18:22
○ 2015-10-29 15:30:06
○ 2026-08-08 13:54:40
○A61.58.37.1532009-01-12 → 2009-01-12 · 3 obs
○ 2015-05-29 19:18:22
○ 2026-08-08 13:54:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| mastermindco.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.36.247
NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mastermindco.com (unsigned zone)
⏱️ Timing
Total: 1015ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.90.250.22 |
| NS | 5 | ns4.xserver.jp, ns2.xserver.jp... |
| MX | 1 | mastermindco.com (pri: 0) |
| TXT | 1 | v=spf1 +a:sv1321.xserver.jp +a:mastermin |
| SOA | 1 | ns1.xserver.jp root.sv0.xserver.jp |
Analysis
Hierarchy
mastermindco.com serves as the parent of mx.mastermindco.com.
Mail Server Role
mastermindco.com handles its own mail, functioning as its own mail server.
IP Addresses
mastermindco.com resolves to just one IP address, 183.90.250.22.
Two other host names, along with colelog.net, tomoni-office.com and coil-ot.com, also share IP numbers with mastermindco.com.
Name Servers
mastermindco.com delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
mastermindco.com has at least partial name server overlap with other domains, such as reliancelink.co.jp, syouryokukakikai.com, trynet-hd.co.jp and two others.
It is common to see these name servers used together with name servers ns4.xserver.jp and ns5.xserver.jp.
Hostnames that map to three IP numbers:
The hostname ns1.xserver.jp points to 202.226.36.164, 202.226.36.170 and 202.226.36.246.
The hostname ns4.xserver.jp points to 183.90.224.226, 183.90.224.230 and 202.226.39.247.
The hostname ns5.xserver.jp points to 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names that point to one IP address:
The hostname ns2.xserver.jp resolves to 35.72.43.26.
The hostname ns3.xserver.jp resolves to 202.226.36.247.
Mail Servers
mastermindco.com is served by just one mail server: mastermindco.com.
mastermindco.com carries a single IP number, which is 183.90.250.22.