mail.retsim.com - robtex.com

mail.retsim.com

DNSSEC⚠️ Not signed
A2403:5801:2fd7:1::250🇦🇺 ABB2403:5800::/27 Aussie Broadband
PTR2403-5801-2fd7-1--250.ip6.aussiebb.net
A159.196.225.79🇦🇺 ABB159.196.224.0/22 Aussie Broadband 3 Electra Ave Morwell

retsim.com

DNSSEC🔒 Signed (DS record present)
A2403:5801:2fd7:1::5🇦🇺 ABB2403:5800::/27 Aussie Broadband
A159.196.225.79🇦🇺 ABB159.196.224.0/22 Aussie Broadband 3 Electra Ave Morwell
NSns-1253.awsdns-28.org ⭐
NSns-133.awsdns-16.com
NSns-1677.awsdns-17.co.uk
NSns-878.awsdns-45.net
MXmail.retsim.com ⭐
TXTv=DMARC1;p=quarantine;rua=mailto:admin@retsim.com
TXTv=spf1 include:amazonses.com ~all
SOAns-1253.awsdns-28.orgawsdns-hostmaster@amazon.com serial=1

MX for

retsim.com

Same first word

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DNS History

3 records (2 active, 1 former)

A159.196.225.792403:5801:2fd7:1::2502403:5801:4ef8:1::250
●A159.196.225.792026-02-20 → 2026-03-22 · 2 obs
● 2026-02-20 18:15:02
● 2026-03-22 14:49:36
●A2403:5801:2fd7:1::2502026-02-20 → 2026-03-22 · 2 obs
● 2026-02-20 18:15:02
● 2026-03-22 14:49:36
○A2403:5801:4ef8:1::2502026-02-20 → 2026-03-22 · 2 obs
○ 2026-02-20 18:15:02
○ 2026-03-22 14:49:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
retsim.comns-133.awsdns-16.com, ns-878.awsdns-45.net, ns-1677.awsdns-17.co.uk, ns-1253.awsdns-28.org1 record

✅ Authoritative Response

Server: 205.251.196.229

NS records: ns-133.awsdns-16.com, ns-878.awsdns-45.net, ns-1677.awsdns-17.co.uk, ns-1253.awsdns-28.org

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 306ms | Queries: -

📄 Records

TypeCountSample Data
A1159.196.225.79
AAAA12403:5801:2fd7:1::250

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-133.awsdns-16.com)

Analysis

Mail Server Role

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

IP Addresses

Two IP numbers are pointed to by mail.retsim.com: 2403:5801:2fd7:1::250 and 159.196.225.79.

Other host names, for instance retsim.com and 159-196-225-79.9fc4e1.mel.nbn.aussiebb.net, share IP numbers with mail.retsim.com.