🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mail.oslinux.com.au`

	DNSSEC	⚠️ Not signed
	A	203.121.193.151^{🇦🇺 OPTICOMMCOPTYLTD-AS-AP203.121.193.0/24 Opticomm Co Pty Ltd 44 Currie Street Level 1}

`oslinux.com.au`

	DNSSEC	⚠️ Not signed
	A	203.121.193.151^{🇦🇺 OPTICOMMCOPTYLTD-AS-AP203.121.193.0/24 Opticomm Co Pty Ltd 44 Currie Street Level 1}
	NS	`ns1.nameserver.net.au` ⭐
	NS	`ns2.nameserver.net.au`
	NS	`ns3.nameserver.net.au`
	MX	`mail.oslinux.com.au` ⭐
	TXT	`v=spf1 mx ~all`
	SOA	`ns1.nameserver.net.au`hostmaster@oslinux.com.au 2026-10-15 #1

MX for

oslinux.com.au

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Next names

DNS History

3 records (1 active, 2 former)

○A101.187.38.1882016-08-14 → 2016-08-14 · 4 obs

○ 2015-05-04 06:24:20
● 2016-08-14 14:02:00
○ 2026-03-29 05:46:12
○ 2026-10-19 08:43:20

○A123.243.142.752015-05-04 → 2015-05-04 · 3 obs

● 2015-05-04 06:24:20
○ 2016-08-14 14:02:00
○ 2026-10-19 08:43:20

●A203.121.193.1512026-03-29 → 2026-10-19 · 3 obs

○ 2016-08-14 14:02:00
● 2026-03-29 05:46:12
● 2026-10-19 08:43:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
au	s.au, a.au, r.au, q.au...	-
oslinux.com.au	ns2.nameserver.net.au, ns3.nameserver.net.au, ns1.nameserver.net.au	-

✅ Authoritative Response

Server:45.79.92.84

NS records: ns2.nameserver.net.au, ns3.nameserver.net.au, ns1.nameserver.net.au

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oslinux.com.au (unsigned zone)

⏱️ Timing

Total: 939ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.121.193.151`

Analysis

Mail Server Role

oslinux.com.au uses mail.oslinux.com.au as a mail server.

IP Addresses

mail.oslinux.com.au resolves to one IP address: 203.121.193.151.

Other hosts including mail.petsfantastic.com.au, petsfantastic.com.au and oslinux.com.au share IP addresses with mail.oslinux.com.au.

mail.oslinux.com.au - robtex.com