mastermcom.net - robtex.com
mastermcom.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 173.225.21.56🇺🇸 DF-3361173.225.20.0/23 Proxy registration | ||||||
| PTR | web156.ultrawebhosting.com | ||||||
| NS | ns1.ultranameservers.com ⭐ | ||||||
| A | 173.225.20.100🇺🇸 DF-3361173.225.20.0/23 Proxy registration | ||||||
| PTR | ns1.ultranameservers.com | ||||||
| NS | ns2.ultranameservers.com | ||||||
| A | 173.225.21.100🇺🇸 DF-3361173.225.20.0/23 Proxy registration | ||||||
| PTR | ns2.ultranameservers.com | ||||||
| NS | ns3.ultranameservers.com | ||||||
| A | 54.149.182.85🇺🇸 Amazon54.148.0.0/15 EC2 PDX prefix | ||||||
| PTR | affiliates.ultrawebhosting.com | ||||||
| MX | mastermcom.net ⭐ | ||||||
| A | 173.225.21.56🇺🇸 DF-3361173.225.20.0/23 Proxy registration | ||||||
| PTR | web156.ultrawebhosting.com | ||||||
| TXT | v=spf1 ip4:173.225.21.56 +a +mx ~all | ||||||
| SOA | ns1.ultranameservers.comsupport@ultrawebhosting.com 2026-02-14 #1 | ||||||
net
| 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=1771291465 | ||||||
MX for
mastermcom.net |
Same first word
mastermcom.net |
Similar names
smartecomm.com |
macmomster.com |
streamcomm.com.my |
commstream.ca |
commstream.net |
streamcomm.com |
mastercomm.com.br |
mastercomm.com |
mastercomm.at |
commstream.com |
DNS History
15 records (5 active, 10 former)
○NSns.mdalaa09.com2017-06-27 → 2017-06-27 · 4 obs
● 2017-06-27 00:41:30
○ 2026-02-20 13:07:58
○ 2026-03-14 05:40:42
○NSns.my-ehost.com2007-09-18 → 2007-09-18 · 3 obs
○ 2015-08-10 11:38:00
○ 2026-03-14 05:40:42
○NSns1.mdalcc8.com2015-08-10 → 2016-09-13 · 5 obs
● 2015-08-10 11:38:00
● 2016-09-13 16:38:28
○ 2017-06-27 00:41:30
○ 2026-03-14 05:40:42
●NSns1.ultranameservers.com2026-02-20 → 2026-03-14 · 3 obs
● 2026-02-20 13:07:58
● 2026-03-14 05:40:42
○NSns2.mdalaa09.com2017-06-27 → 2017-06-27 · 4 obs
● 2017-06-27 00:41:30
○ 2026-02-20 13:07:58
○ 2026-03-14 05:40:42
○NSns2.mdalcc8.com2015-08-10 → 2016-09-13 · 5 obs
● 2015-08-10 11:38:00
● 2016-09-13 16:38:28
○ 2017-06-27 00:41:30
○ 2026-03-14 05:40:42
○NSns2.my-ehost.com2007-09-18 → 2007-09-18 · 3 obs
○ 2015-08-10 11:38:00
○ 2026-03-14 05:40:42
●NSns2.ultranameservers.com2026-02-20 → 2026-03-14 · 3 obs
● 2026-02-20 13:07:58
● 2026-03-14 05:40:42
●NSns3.ultranameservers.com2026-02-20 → 2026-03-14 · 3 obs
● 2026-02-20 13:07:58
● 2026-03-14 05:40:42
○MXmail.mastermcom.net2007-09-18 → 2007-09-18 · 3 obs
○ 2015-08-10 11:38:00
○ 2026-03-14 05:40:42
●MXmastermcom.net2015-08-10 → 2026-03-14 · 3 obs
● 2015-08-10 11:38:00
● 2026-03-14 05:40:42
○A107.158.254.2502017-06-27 → 2017-06-27 · 4 obs
● 2017-06-27 00:41:30
○ 2026-02-20 13:07:58
○ 2026-03-14 05:40:42
●A173.225.21.562026-02-20 → 2026-03-14 · 3 obs
● 2026-02-20 13:07:58
● 2026-03-14 05:40:42
○A198.31.50.1362015-08-10 → 2016-09-13 · 5 obs
● 2015-08-10 11:38:00
● 2016-09-13 16:38:28
○ 2017-06-27 00:41:30
○ 2026-03-14 05:40:42
○A198.31.50.702007-09-18 → 2007-09-18 · 3 obs
○ 2015-08-10 11:38:00
○ 2026-03-14 05:40:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| mastermcom.net | ns1.ultranameservers.com, ns2.ultranameservers.com, ns3.ultranameservers.com | - |
✅ Authoritative Response
Server: 54.149.182.85
NS records: ns1.ultranameservers.com, ns2.ultranameservers.com, ns3.ultranameservers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mastermcom.net (unsigned zone)
⏱️ Timing
Total: 874ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 173.225.21.56 |
| NS | 3 | ns1.ultranameservers.com, ns3.ultranameservers.com... |
| MX | 1 | mastermcom.net (pri: 0) |
| TXT | 1 | v=spf1 ip4:173.225.21.56 +a +mx ~all |
| SOA | 1 | ns1.ultranameservers.com support.ultrawe |
Analysis
Mail Server Role
mastermcom.net is the mail server for mastermcom.net.
IP Addresses
mastermcom.net resolves to a single IP: 173.225.21.56.
Other host names, for instance garzonrealty.com, robinslittlecritterranch.com, phares.it, nationaltaxi.ae and bacco.org share IP numbers with mastermcom.net.
Name Servers
mastermcom.net delegates to three name servers: ns1.ultranameservers.com, ns2.ultranameservers.com and ns3.ultranameservers.com.
mastermcom.net shares some name servers with other domains, for example nolacrate.com, coloradocarnivorousplantsociety.com, kmshomes.net, ez3step.com and bacco.org.
These name servers are often used together with ns1.fluxservices.com, ns1-web26.ultrawebsitehosting.com and ns2-web26.ultrawebsitehosting.com.
Host names with a single IP: ns1.ultranameservers.com points to 173.225.20.100; ns2.ultranameservers.com points to 173.225.21.100; ns3.ultranameservers.com points to 54.149.182.85.
Mail Servers
One mail server handles mastermcom.net.
Host name mastermcom.net points to IP 173.225.21.56.