mdbuilders.co - robtex.com
mdbuilders.co
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.243.5🇺🇸 Amazon13.248.240.0/20 | ||||||
| PTR | a16e665f42988324c.awsglobalaccelerator.com | ||||||
| A | 76.223.105.230🇺🇸 Amazon76.223.96.0/20 | ||||||
| NS | ns31.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2191::10🇺🇸 GODADDY-DNS2603:5:2190::/44 | ||||||
| PTR | ns31.domaincontrol.com | ||||||
| A | 97.74.105.16🇺🇸 GODADDY-DNS97.74.104.0/23 | ||||||
| PTR | ns31.domaincontrol.com | ||||||
| NS | ns32.domaincontrol.com | ||||||
| A | 2603:5:2291::10🇺🇸 GODADDY-DNS2603:5:2290::/44 | ||||||
| PTR | ns32.domaincontrol.com | ||||||
| A | 173.201.73.16🇺🇸 GODADDY-DNS173.201.72.0/23 | ||||||
| PTR | ns32.domaincontrol.com | ||||||
| MX | mx1-us1.ppe-hosted.com ⭐ | ||||||
| A | 67.231.154.162🇺🇸 Proofpoint67.231.154.0/24 Inc. | ||||||
| PTR | mx1-us1.ppe-hosted.com | ||||||
| A | 148.163.129.50🇺🇸 AS13916148.163.129.0/24 Proofpoint Inc. | ||||||
| PTR | mx1-us1.ppe-hosted.com | ||||||
| MX | mx2-us1.ppe-hosted.com(20) | ||||||
| A | 67.231.154.163🇺🇸 Proofpoint67.231.154.0/24 Inc. | ||||||
| PTR | mx2-us1.ppe-hosted.com | ||||||
| A | 148.163.129.51🇺🇸 AS13916148.163.129.0/24 Proofpoint Inc. | ||||||
| PTR | mx2-us1.ppe-hosted.com | ||||||
| TXT | NETORGFT11691149.onmicrosoft.com | ||||||
| TXT | v=spf1 a:dispatch-us.ppe-hosted.com include:secureserver.net -all | ||||||
| SOA | ns31.domaincontrol.comdns@jomax.net 2025-12-18 #1 | ||||||
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759722824 | ||||||
Same first word
mdbuilders.co |
Similar names
DNS History
6 records (6 active, 0 former)
●NSns31.domaincontrol.com2026-07-11 → 2026-08-02 · 2 obs
● 2026-08-02 11:35:04
●NSns32.domaincontrol.com2026-07-11 → 2026-08-02 · 2 obs
● 2026-08-02 11:35:04
●MXmx1-us1.ppe-hosted.com2026-07-11 → 2026-08-02 · 2 obs
● 2026-08-02 11:35:04
●MXmx2-us1.ppe-hosted.com2026-07-11 → 2026-08-02 · 2 obs
● 2026-08-02 11:35:04
●A13.248.243.52026-07-11 → 2026-08-02 · 2 obs
● 2026-08-02 11:35:04
●A76.223.105.2302026-07-11 → 2026-08-02 · 2 obs
● 2026-08-02 11:35:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co | - |
| mdbuilders.co | ns32.domaincontrol.com, ns31.domaincontrol.com | - |
✅ Authoritative Response
Server:173.201.73.16
NS records: ns32.domaincontrol.com, ns31.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mdbuilders.co (unsigned zone)
⏱️ Timing
Total: 315ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.105.230, 13.248.243.5 |
| NS | 2 | ns31.domaincontrol.com, ns32.domaincontrol.com |
| MX | 2 | mx1-us1.ppe-hosted.com (pri: 10), mx2-us1.ppe-hosted.com (pri: 20) |
| TXT | 2 | NETORGFT11691149.onmicrosoft.com, v=spf1 a:dispatch-us.ppe-hosted.com incl |
| SOA | 1 | ns31.domaincontrol.com dns.jomax.net |
Analysis
IP Addresses
mdbuilders.co has two IP addresses: 13.248.243.5 and 76.223.105.230
Additional host names — bizlifemedia.com, mnicholconsulting.com, jrffeed.com and two others — share IP numbers with mdbuilders.co.
Name Servers
mdbuilders.co is delegated to two name servers: ns31.domaincontrol.com and ns32.domaincontrol.com.
mdbuilders.co shares its name server setup with other domains, including peopleincontent.com, 365bet108.com, dfwsa.net and two others.
ns31.domaincontrol.com and ns32.domaincontrol.com each resolve to two IP addresses: ns31.domaincontrol.com points to 97.74.105.16 and 2603:5:2191::10, while ns32.domaincontrol.com points to 173.201.73.16 and 2603:5:2291::10.
Mail Servers
mdbuilders.co has two mail servers: mx1-us1.ppe-hosted.com and mx2-us1.ppe-hosted.com.
mdbuilders.co shares the same mail server setup as other domains, including bladehq.com, illumemke.com, totalfarmmarketing.com and two others.
mdbuilders.co shares mail servers — at least in part — with other domains, including talus.systems, carolinasaviation.org, bdixon.com and two others.
mx1-us1.ppe-hosted.com and mx2-us1.ppe-hosted.com each resolve to two IP addresses: mx1-us1.ppe-hosted.com points to 67.231.154.162 and 148.163.129.50, while mx2-us1.ppe-hosted.com points to 67.231.154.163 and 148.163.129.51.