mail.masterdev.com - dns.ninja
mail.masterdev.com
| DNSSEC | ⚠️ Not signed | ||||||
masterdev.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 174.143.93.206🇺🇸 RACKSPACE-DFW174.143.0.0/16 Rackspace Managed Hosting, 9725 Datapoint DR, Suite 100, San Antonio, TX 78229 | ||||||
| NS | ns-443.awsdns-55.com ⭐ | ||||||
| NS | ns-1343.awsdns-39.org | ||||||
| NS | ns-1871.awsdns-41.co.uk | ||||||
| NS | ns-638.awsdns-15.net | ||||||
| MX | masterdev-com.mail.protection.outlook.com ⭐ | ||||||
| TXT | MS=3345B58FA4444090DA3A0FDBC5A044D8AF55B432 | ||||||
| TXT | MS=ms45027230 | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include... | ||||||
| SOA | ns-443.awsdns-55.comawsdns-hostmaster@amazon.com serial=1 | ||||||
Previously MX for
Same first word
Similar names
DNS History
2 records (0 active, 2 former)
○A216.200.145.2352015-08-12 → 2016-06-30 · 4 obs
● 2015-08-12 12:19:10
● 2016-06-30 03:08:00
○ 2026-04-10 19:07:12
○ 2026-06-10 14:09:36
● 2016-06-30 03:08:00
○ 2026-04-10 19:07:12
○ 2026-06-10 14:09:36
○CNAMEsitemail.everyone.net2015-08-12 → 2016-06-30 · 4 obs
● 2015-08-12 12:19:10
● 2016-06-30 03:08:00
○ 2026-04-10 19:07:12
○ 2026-06-10 14:09:36
● 2016-06-30 03:08:00
○ 2026-04-10 19:07:12
○ 2026-06-10 14:09:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net... | - |
| masterdev.com | ns-638.awsdns-15.net, ns-443.awsdns-55.com, ns-1871.awsdns-41.co.uk, ns-1343.awsdns-39.org | 2 records |
✅ Authoritative Response
Server:205.251.194.126
NS records: ns-638.awsdns-15.net, ns-443.awsdns-55.com, ns-1871.awsdns-41.co.uk, ns-1343.awsdns-39.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for masterdev.com (unsigned zone)
⏱️ Timing
Total: 643ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-443.awsdns-55.com, ns-443.awsdns-55.com)