mail.curtis707.com - robtex.com

mail.curtis707.com

DNSSEC⚠️ Not signed
A54.173.216.31🇺🇸 Amazon54.172.0.0/15 EC2 IAD prefix
PTRmail.curtis707.com
MXfeedback-smtp.us-east-1.amazonaws.com ⭐
TXTv=spf1 include:amazonses.com ~all

curtis707.com

DNSSEC⚠️ Not signed
NSns-207.awsdns-25.com ⭐
NSns-1490.awsdns-58.org
NSns-1566.awsdns-03.co.uk
NSns-932.awsdns-52.net
MXmail.curtis707.com ⭐
TXTv=spf1 include:amazonses.com ~all
SOAns-207.awsdns-25.comawsdns-hostmaster@amazon.com serial=1

PTR for

31.216.173.54.in-addr.arpa

MX for

curtis707.com
rcceng.com

Same first word

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DNS History

3 records (2 active, 1 former)

MXfeedback-smtp.us-east-1.amazonaws.comfeedback-smtp.us-east-1.amazonses.comA54.173.216.31
●MXfeedback-smtp.us-east-1.amazonaws.com2026-04-22 → 2026-04-23 · 3 obs
○ 2026-04-13 17:10:04
● 2026-04-22 00:28:44
● 2026-04-23 03:45:52
○MXfeedback-smtp.us-east-1.amazonses.com2026-04-13 → 2026-04-13 · 3 obs
● 2026-04-13 17:10:04
○ 2026-04-22 00:28:44
○ 2026-04-23 03:45:52
●A54.173.216.312026-04-13 → 2026-04-23 · 2 obs
● 2026-04-13 17:10:04
● 2026-04-23 03:45:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
curtis707.comns-207.awsdns-25.com, ns-932.awsdns-52.net, ns-1566.awsdns-03.co.uk, ns-1490.awsdns-58.org2 records

✅ Authoritative Response

Server:205.251.197.210

NS records: ns-207.awsdns-25.com, ns-932.awsdns-52.net, ns-1566.awsdns-03.co.uk, ns-1490.awsdns-58.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for curtis707.com (unsigned zone)

⏱️ Timing

Total: 490ms | Queries: -

📄 Records

TypeCountSample Data
A154.173.216.31
MX1feedback-smtp.us-east-1.amazonaws.com (p
TXT1v=spf1 include:amazonses.com ~all

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-207.awsdns-25.com, ns-207.awsdns-25.com)

Analysis

Mail Server Role

mail.curtis707.com serves mail for curtis707.com and rcceng.com.

IP Addresses

mail.curtis707.com resolves to a single IP address: 54.173.216.31.

Other host names, for instance d-jhx58knlz2.execute-api.us-east-1.amazonaws.com, share IP numbers with mail.curtis707.com.

Mail Servers

mail.curtis707.com is handled by a single mail server, feedback-smtp.us-east-1.amazonaws.com.

mail.curtis707.com shares the same mail server setup as other domains, such as ops.runwayml.com, mail.rhythmhosting.com and mail.hindermyer.dev.

mail.curtis707.com shares at least partially some mail servers with other domains, for instance mail.epichost.pl, rudless.com and sortifyd.com.

these mail servers are often used with the following mail servers: feedback-smtp.ap-south-1.amazonaws.com, feedback-smtp.eu-north-1.amazonaws.com, feedback-smtp.sa-east-1.amazonaws.com, feedback-smtp.us-west-1.amazonaws.com, inbound-smtp.us-east-1.amazonaws.com, aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.