reply.mkt3800.com - robtex.com
reply.mkt3800.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 34.202.253.227🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix | ||||||
| PTR | ec2-34-202-253-227.compute-1.amazonaws.com | ||||||
| MX | reply.mkt3800.com ⭐ | ||||||
| A | 34.202.253.227🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix | ||||||
| PTR | ec2-34-202-253-227.compute-1.amazonaws.com | ||||||
| TXT | v=spf1 a ip4:208.95.133.196 -all | ||||||
mkt3800.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 34.197.80.55🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix | ||||||
| A | 52.200.138.107🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix | ||||||
| NS | ns1.acoustic-adm.com ⭐ | ||||||
| NS | ns2.acoustic-adm.com | ||||||
| NS | ns3.acoustic-adm.com | ||||||
| NS | ns4.acoustic-adm.com | ||||||
| MX | reply.mkt3800.com ⭐ | ||||||
| MX | mail3204.mkt3800.com(20) | ||||||
| TXT | v=spf1 ip4:208.95.133.196 -all | ||||||
| SOA | ns1.acoustic-adm.comawsdns-hostmaster@amazon.com serial=1 | ||||||
MX for
Same first word
Similar names
DNS History
3 records (2 active, 1 former)
●MXreply.mkt3800.com2015-07-19 → 2026-04-12 · 2 obs
● 2026-04-12 22:44:28
●A34.202.253.2272026-03-30 → 2026-04-12 · 3 obs
● 2026-03-30 17:46:28
● 2026-04-12 22:44:28
○A74.112.69.252015-07-19 → 2016-12-03 · 4 obs
● 2016-12-03 01:01:38
○ 2026-03-30 17:46:28
○ 2026-04-12 22:44:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net... | - |
| mkt3800.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 mkt3800.com (unsigned zone)
⏱️ Timing
Total: 166ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 34.202.253.227 |
| MX | 1 | reply.mkt3800.com (pri: 5) |
| TXT | 1 | v=spf1 a ip4:208.95.133.196 -all |
📌 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.mkt3800.com serves as a mail server for ce.brown.edu, mkt3800.com and reply.mkt3800.com.
mail3204.mkt3800.com commonly serves as a mail server together with reply.mkt3800.com.
IP Addresses
reply.mkt3800.com points to a single IP: 34.202.253.227.
Other host names, for instance reply.campuscrestcommunities.mkt5028.com, reply.mkt3682.com, reply.mkt4854.com, reply.mkt11192.com and reply.mkt4236.com share IP numbers with reply.mkt3800.com.
Mail Servers
reply.mkt3800.com is handled by a single mail server.
reply.mkt3800.com shares at least some mail servers with other domains, for instance ce.brown.edu and mkt3800.com.
reply.mkt3800.com points to IP number 34.202.253.227.