mail.f3engineering.com - robtex.com

mail.f3engineering.com

DNSSEC⚠️ Not signed
A65.254.231.225🇺🇸 EIG-2987365.254.224.0/19 TML Customer
PTR65-254-231-225.yourhostingaccount.com

f3engineering.com

DNSSEC⚠️ Not signed
A155.138.226.173🇺🇸 AS-VULTR155.138.224.0/20 Vultr Assigned Prefix
NSns1.purehost.com ⭐
NSns2.purehost.com
MXf3engineering-com.mail.protection.outlook.com ⭐
TXTv=spf1 include:spf.protection.outlook.com -all
SOAns1.purehost.comadmin@purehost.com 2017-01-23 #65

PTR for

186.73.85.71.in-addr.arpa

Previously MX for

f3engineering.com

Same first word

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A65.254.231.22571.85.73.186
●A65.254.231.2252026-02-16 → 2026-04-14 · 3 obs
○ 2016-11-30 11:02:38
● 2026-02-16 14:45:20
● 2026-04-14 22:15:58
○A71.85.73.1862015-07-01 → 2016-11-30 · 4 obs
● 2015-07-01 23:23:28
● 2016-11-30 11:02:38
○ 2026-02-16 14:45:20
○ 2026-04-14 22:15:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
f3engineering.comns1.purehost.com, ns2.purehost.com2 records

✅ Authoritative Response

Server:38.113.1.39

NS records: ns1.purehost.com, ns2.purehost.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for f3engineering.com (unsigned zone)

⏱️ Timing

Total: 109ms | Queries: -

📄 Records

TypeCountSample Data
A165.254.231.225

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.purehost.com, ns2.purehost.com)

Analysis

IP Addresses

mail.f3engineering.com points to an IP address: 65.254.231.225.

other host names include nedunuri.com, ricetour.com, energyplustt.com, bussware.com and rspsitedesign.com; they share IP numbers with mail.f3engineering.com.