`mail.optimusltd.com`

	DNSSEC	⚠️ Not signed
	A	75.103.70.171^{🇺🇸 AS1499275.103.64.0/18}

`optimusltd.com`

	DNSSEC	⚠️ Not signed
	A	170.249.195.74^{🇺🇸 PRIVATESYSTEMS170.249.192.0/20 PrivateSystems Networks GA}
	NS	`ns7.reward-delivery.com` ⭐ ⚠️ Not in parent delegation
	NS	`ns1.reward-delivery.com` ⚠️ Not in zone NS records
	NS	`ns2.reward-delivery.com` ⚠️ Not in zone NS records
	NS	`ns8.reward-delivery.com` ⚠️ Not in parent delegation
	MX	`mail.optimusltd.com` ⭐
	TXT	`v=spf1 ip4:170.249.195.74 ip4:170.249.249.103 mx a ip4:198.37.156.43 ip4:167....`
	SOA	`ns7.reward-delivery.com`tech@optimusemail.com 2026-03-24 #1

MX for

optimusltd.com

Same first word

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DNS History

1 record (1 active, 0 former)

●A75.103.70.1712017-02-19 → 2026-04-25 · 2 obs

● 2017-02-19 09:01:02
● 2026-04-25 16:04:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
optimusltd.com	ns1.reward-delivery.com, ns2.reward-delivery.com	2 records

✅ Authoritative Response

Server:170.249.195.75

NS records: ns1.reward-delivery.com, ns2.reward-delivery.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optimusltd.com (unsigned zone)

⏱️ Timing

Total: 213ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`75.103.70.171`

📌 Glue Records Collected

Total: 2

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

Analysis

Mail Server Role

mail.optimusltd.com serves as a mail server for optimusltd.com.

IP Addresses

mail.optimusltd.com resolves to one IP number: 75.103.70.171.

Other host names, for instance mail.optimusmediaworks.com, mail.optimuscompanies.com, mail.optimusemail.com, mail.betterhealthkarerewards.com and optimusemail.com share IP numbers with mail.optimusltd.com.

mail.optimusltd.com - robtex.com