mail.interviewrulebook.com - robtex.com

mail.interviewrulebook.com

DNSSEC⚠️ Not signed
A66.198.240.21🇺🇸 vercara-udos66.198.240.0/24
PTRmi3-cl9-its1.a2hosting.com

interviewrulebook.com

DNSSEC⚠️ Not signed
A168.231.77.134🇨🇱 IIHOS001168.231.76.0/23 HOSTINGER FR
NSns1.a2hosting.com ⭐
NSns2.a2hosting.com
NSns3.a2hosting.com ⚠️ Not in parent delegation
NSns4.a2hosting.com ⚠️ Not in parent delegation
MXmail.interviewrulebook.com ⭐
TXTv=spf1 +a +mx +ip4:66.198.240.21 include:spf.a2hosting.com ~all
SOAns1.a2hosting.comroot@mi3-cl9-its1.a2hosting.com 2025-05-23 #0

MX for

interviewrulebook.com

Same first word

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DNS History

1 record (1 active, 0 former)

A66.198.240.21
●A66.198.240.212026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 08:47:10
● 2026-03-24 10:44:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, e.gtld-servers.net...-
interviewrulebook.comns1.a2hosting.com, ns2.a2hosting.com2 records

✅ Authoritative Response

Server:13.248.158.180

NS records: ns1.a2hosting.com, ns2.a2hosting.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for interviewrulebook.com (unsigned zone)

⏱️ Timing

Total: 147ms | Queries: -

📄 Records

TypeCountSample Data
A166.198.240.21

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.a2hosting.com, ns2.a2hosting.com)

Analysis

Mail Server Role

mail.interviewrulebook.com serves as the mail server for interviewrulebook.com.

IP Addresses

mail.interviewrulebook.com points to a single IP: 66.198.240.21.

Other host names, for instance willhough.com, agrecolandes.org, mail.tyriansec.com, hontanar.edu.ec and mail.handymannw.com share IP numbers with mail.interviewrulebook.com.