`optusvendor.com.au`

DNSSEC	⚠️ Not signed
A	203.13.128.37^{🇦🇺 ASN-OPTUS-NET203.13.128.0/24 SingTel Optus Pty Ltd Optus Macquarie Park (OCS) Building A, Level 2 1 Lyonpark Road, Macquarie Park}
		PTR	`smtp2.optuscsr.com.au`
		PTR	`smtp2.optusvendor.com.au`
A	203.13.128.194^{🇦🇺 ASN-OPTUS-NET203.13.128.0/24 SingTel Optus Pty Ltd Optus Macquarie Park (OCS) Building A, Level 2 1 Lyonpark Road, Macquarie Park}
NS	`o22rrdnsme01.optus.net.au` ⭐
		A	202.139.82.129^{🇦🇺 ASN-OPTUS-NET202.139.82.0/24 SingTel Optus Pty Ltd Optus Macquarie Park (OCS) Building A, Level 2 1 Lyonpark Road, Macquarie Park}
NS	`dns0.optus.net.au`
		A	198.142.231.61^{🇦🇺 OPTUSINTERNET-AU198.142.0.0/16 Singtel Optus Pty ltd}
NS	`dns1.optus.net.au`
		A	198.142.231.63^{🇦🇺 OPTUSINTERNET-AU198.142.0.0/16 Singtel Optus Pty ltd}
TXT	`v=spf1 mx ip4:203.13.126.0/24 ip4:203.13.128.0/24 ~all`
TXT	`0935ccaa-d5bd-4202-9a11-4814f779febb`
TXT	`_5oerralnbulpkwar6wpek7z2vck83t9`
TXT	`_1fpsf8czqruobry2ctgn2qp3ds8x9j4`
SOA	`o22rrdnsme01.optus.net.au`hostmaster@optus.net.au 2026-07-13 #10

`com.au`

	DNSSEC	⚠️ Not signed
	NS	`q.au` ⭐ ⚠️ Not in parent delegation
	NS	`a.au` ⚠️ Not in parent delegation
	NS	`r.au` ⚠️ Not in parent delegation
	NS	`s.au` ⚠️ Not in parent delegation
	NS	`t.au` ⚠️ Not in parent delegation
	SOA	`q.au`hostmaster@donuts.email serial=1783985016

WOT: SAFE (34/100)

Subdomains

smtp1.optusvendor.com.au

nka.optusvendor.com.au

smtp2.optusvendor.com.au

Same first word

optusvendor.com.au

Similar names

uvpondstore.com

DNS History

8 records (5 active, 3 former)

●NSdns0.optus.net.au2017-06-26 → 2026-07-13 · 2 obs

● 2017-06-26 19:20:06
● 2026-07-13 23:58:46

●NSdns1.optus.net.au2017-06-26 → 2026-07-13 · 2 obs

● 2017-06-26 19:20:06
● 2026-07-13 23:58:46

●NSo22rrdnsme01.optus.net.au2017-06-26 → 2026-07-13 · 2 obs

● 2017-06-26 19:20:06
● 2026-07-13 23:58:46

○MXmx.emea.email.fireeyecloud.com2026-02-16 → 2026-05-26 · 5 obs

○ 2017-11-08 13:37:12
● 2026-02-16 21:29:48
● 2026-05-26 03:18:28
○ 2026-07-01 11:44:58
○ 2026-07-13 23:58:46

○MXsmtp1.optusvendor.com.au2017-06-26 → 2017-11-08 · 4 obs

● 2017-06-26 19:20:06
● 2017-11-08 13:37:12
○ 2026-02-16 21:29:48
○ 2026-07-13 23:58:46

○MXsmtp2.optusvendor.com.au2017-06-26 → 2017-11-08 · 4 obs

● 2017-06-26 19:20:06
● 2017-11-08 13:37:12
○ 2026-02-16 21:29:48
○ 2026-07-13 23:58:46

●A203.13.128.1942017-06-26 → 2026-07-13 · 2 obs

● 2017-06-26 19:20:06
● 2026-07-13 23:58:46

●A203.13.128.372017-06-26 → 2026-07-13 · 2 obs

● 2017-06-26 19:20:06
● 2026-07-13 23:58:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
au	a.au, r.au, t.au, q.au...	-
optusvendor.com.au	dns1.optus.net.au, dns0.optus.net.au	-

✅ Authoritative Response

Server:198.142.231.63

NS records: dns1.optus.net.au, dns0.optus.net.au

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at au: Error: DNS query timeout: 58.65.254.1 for DNSKEY au

⏱️ Timing

Total: 3987ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`203.13.128.37, 203.13.128.194`
NS	2	`dns0.optus.net.au, dns1.optus.net.au`
TXT	4	`v=spf1 mx ip4:203.13.126.0/24 ip4:203.13, 0935ccaa-d5bd-4202-9a11-4814f779febb...`
SOA	1	`o22rrdnsme01.optus.net.au hostmaster.opt`

Analysis

Hierarchy

smtp1.optusvendor.com.au, nka.optusvendor.com.au and smtp2.optusvendor.com.au are all subdomains of optusvendor.com.au.

IP Addresses

optusvendor.com.au has two IP addresses: 203.13.128.37 and 203.13.128.194

Host names such as smtp2.optusvendor.com.au, smtp2.optuscsr.com.au and smtp1.optusvendor.com.au share their IP numbers with optusvendor.com.au.

Name Servers

optusvendor.com.au carries NS records delegating to dns0.optus.net.au, dns1.optus.net.au and o22rrdnsme01.optus.net.au.

The name servers of optusvendor.com.au overlap at least partially with those of other domains — among them 227.16.203.in-addr.arpa, prepaidservices.com.au, 18.139.202.in-addr.arpa and two more.

These name servers commonly appear in delegations together with ns1.telstra.net, ns-edc.bendigobank.net.au, ns-m2c.bendigobank.net.au and 7 other.

dns0.optus.net.au points to 198.142.231.61; dns1.optus.net.au points to 198.142.231.63; o22rrdnsme01.optus.net.au points to 202.139.82.129 — each hostname maps to exactly one IP address.

optusvendor.com.au - robtex.com