mail.coll3.org - robtex.com

mail.coll3.org

DNSSEC⚠️ Not signed
A3.73.178.8🇩🇪 Amazon3.64.0.0/12 EC2 FRA Prefix
PTRec2-3-73-178-8.eu-central-1.compute.amazonaws.com

coll3.org

DNSSEC⚠️ Not signed
A3.73.178.8🇩🇪 Amazon3.64.0.0/12 EC2 FRA Prefix
NSns-1673.awsdns-17.co.uk ⭐
NSns-1208.awsdns-23.org
NSns-241.awsdns-30.com
NSns-779.awsdns-33.net
MXmail.coll3.org ⭐
TXTbrevo-code:f56d8607c1e807190ea810d9a9e69a39
SOAns-1673.awsdns-17.co.ukawsdns-hostmaster@amazon.com serial=1

MX for

coll3.org
mad-doc.org

Same first word

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DNS History

3 records (1 active, 2 former)

20162017201820192020202120222023202420252026A3.73.178.862.75.158.244PTR3.73.178.8
●A3.73.178.82026-04-14 → 2026-04-15 · 3 obs
○ 2016-11-19 00:25:36
● 2026-04-14 20:18:58
● 2026-04-15 00:18:34
○A62.75.158.2442015-06-03 → 2016-11-19 · 4 obs
● 2015-06-03 17:06:04
● 2016-11-19 00:25:36
○ 2026-04-14 20:18:58
○ 2026-04-15 00:18:34
○PTR3.73.178.82026-04-14 → 2026-04-15 · 2 obs
○ 2026-04-14 20:18:58
○ 2026-04-15 00:18:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org-
coll3.orgns-779.awsdns-33.net, ns-1673.awsdns-17.co.uk, ns-241.awsdns-30.com, ns-1208.awsdns-23.org1 record

✅ Authoritative Response

Server:205.251.192.241

NS records: ns-779.awsdns-33.net, ns-1673.awsdns-17.co.uk, ns-241.awsdns-30.com, ns-1208.awsdns-23.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coll3.org (unsigned zone)

⏱️ Timing

Total: 299ms | Queries: -

📄 Records

TypeCountSample Data
A13.73.178.8

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-1208.awsdns-23.org)

Analysis

Mail Server Role

mail.coll3.org serves as the mail server for coll3.org and mad-doc.org.

IP Addresses

mail.coll3.org points to a single IP address: 3.73.178.8.

Other host names, such as coll3.org and ec2-3-73-178-8.eu-central-1.compute.amazonaws.com, share IP numbers with mail.coll3.org.