mcmastertek.com - robtex.com
mcmastertek.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=1771291435 | ||||||
Same first word
mcmastertek.ca |
mcmastertek.com |
DNS History
5 records (4 active, 1 former)
●NSns15.domaincontrol.com2016-12-18 → 2026-03-23 · 2 obs
● 2026-03-23 13:50:30
●NSns16.domaincontrol.com2016-12-18 → 2026-03-23 · 2 obs
● 2026-03-23 13:50:30
●MXmcmastertek-com.mail.protection.outlook.com2016-12-18 → 2026-03-23 · 2 obs
● 2026-03-23 13:50:30
●A149.56.23.1342019-02-03 → 2026-03-23 · 3 obs
● 2019-02-03 21:29:46
● 2026-03-23 13:50:30
○A149.56.247.1612016-12-18 → 2016-12-18 · 3 obs
○ 2019-02-03 21:29:46
○ 2026-03-23 13:50:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| mcmastertek.com | ns15.domaincontrol.com, ns16.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.75.8
NS records: ns15.domaincontrol.com, ns16.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mcmastertek.com (unsigned zone)
⏱️ Timing
Total: 132ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 149.56.23.134 |
| NS | 2 | ns15.domaincontrol.com, ns16.domaincontrol.com |
| MX | 1 | mcmastertek-com.mail.protection.outlook. |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns15.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns15.domaincontrol.com, ns15.domaincontrol.com, ns16.domaincontrol.com...)
Analysis
IP Addresses
mcmastertek.com points to IP number 149.56.23.134.
Other host names, for example www.qrids.dev and live.mcmastertech.ca, share IPs with mcmastertek.com.
Name Servers
mcmastertek.com is delegated to two name servers: ns15.domaincontrol.com and ns16.domaincontrol.com.
mcmastertek.com uses the same name server setup as other domains such as testnh.com, 10xbetter.com, tracyolsonking.com, orhanyilmaz.com and synergy-healthcaresolutions.com.
mcmastertek.com shares name servers with other domains at least partially, for example pipalmera.com.
Host names with two IP numbers:
ns15.domaincontrol.com points to 2603:5:21b0::8 and 97.74.107.8; ns16.domaincontrol.com points to 2603:5:22b0::8 and 173.201.75.8.
Mail Servers
mcmastertek.com is handled by a single mail server, mcmastertek-com.mail.protection.outlook.com.
Host name mcmastertek-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c942::2, 2a01:111:f403:c942::3, 2a01:111:f403:c944::, 2a01:111:f403:c944::1, 52.101.190.1, 52.101.190.3, 52.101.192.0 and 52.101.192.1.