reply.flex.mkt457.com - robtex.com
reply.flex.mkt457.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 23.21.100.49🇺🇸 Amazon23.20.0.0/15 EC2 IAD prefix | ||||||
| PTR | ec2-23-21-100-49.compute-1.amazonaws.com | ||||||
| MX | reply.flex.mkt457.com ⭐ | ||||||
| A | 23.21.100.49🇺🇸 Amazon23.20.0.0/15 EC2 IAD prefix | ||||||
| PTR | ec2-23-21-100-49.compute-1.amazonaws.com | ||||||
| TXT | v=spf1 a ip4:208.85.51.81 ip4:208.85.51.82 ip4:208.85.51.83 ip4:208.85.51.84 ... | ||||||
flex.mkt457.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 208.85.51.82🇺🇸 Amazon208.85.51.0/24 EC2 Prefix | ||||||
| MX | reply.flex.mkt457.com ⭐ | ||||||
| MX | mail5009.flex.mkt457.com(20) | ||||||
| MX | mail5010.flex.mkt457.com(20) | ||||||
| MX | mail5033.flex.mkt457.com(20) | ||||||
| MX | mail5037.flex.mkt457.com(20) | ||||||
| TXT | v=spf1 ip4:208.85.51.81 ip4:208.85.51.82 ip4:208.85.51.83 ip4:208.85.51.84 -all | ||||||
MX for
Same first word
Similar names
DNS History
3 records (2 active, 1 former)
●MXreply.flex.mkt457.com2015-09-27 → 2026-04-15 · 2 obs
● 2026-04-15 22:45:08
●A23.21.100.492026-03-28 → 2026-04-15 · 3 obs
● 2026-03-28 02:12:08
● 2026-04-15 22:45:08
○A74.112.69.62015-09-27 → 2016-11-23 · 4 obs
● 2016-11-23 19:55:10
○ 2026-03-28 02:12:08
○ 2026-04-15 22:45:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, j.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net... | - |
| mkt457.com | ns1.acoustic-adm.com, ns2.acoustic-adm.com, ns3.acoustic-adm.com, ns4.acoustic-adm.com | 8 records |
✅ Authoritative Response
Server:205.251.197.17
NS records: ns1.acoustic-adm.com, ns2.acoustic-adm.com, ns3.acoustic-adm.com, ns4.acoustic-adm.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mkt457.com (unsigned zone)
⏱️ Timing
Total: 344ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 23.21.100.49 |
| MX | 1 | reply.flex.mkt457.com (pri: 5) |
| TXT | 1 | v=spf1 a ip4:208.85.51.81 ip4:208.85.51. |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns1.acoustic-adm.com, ns1.acoustic-adm.com, ns2.acoustic-adm.com...)
Analysis
Mail Server Role
reply.flex.mkt457.com serves as the mail server for flex.mkt457.com and for reply.flex.mkt457.com.
mail5009.flex.mkt457.com, mail5010.flex.mkt457.com and mail5033.flex.mkt457.com are commonly used as mail servers together with reply.flex.mkt457.com.
IP Addresses
reply.flex.mkt457.com points to a single IP number: 23.21.100.49.
Other host names, for instance reply.mkt426.com, reply.mkt6494.com, reply.mkt9669.com, bounce.mkt2022.com and reply.zacks.mkt508.com share IP numbers with reply.flex.mkt457.com.
Mail Servers
A single mail server handles reply.flex.mkt457.com and reply.flex.mkt457.com.
reply.flex.mkt457.com shares at least some mail servers with other domains, for instance flex.mkt457.com.
These mail servers are often used with the mail servers mail5037.flex.mkt457.com.
Host name reply.flex.mkt457.com resolves to IP 23.21.100.49.