`mail.rpasltd.com`

	CNAME	`mail.worldsecureemail.com`
	CNAME	`mail.worldsecureemail.com.cust.b.hostedemail.com`
	DNSSEC	⚠️ Not signed
	A	64.98.38.186^{🇨🇦 TUCOWS-364.98.38.0/24 IPv4 Allow}

`rpasltd.com`

	DNSSEC	⚠️ Not signed
	A	204.74.99.103^{🇺🇸 MAINT-ID-12008204.74.99.0/24 Neustar}
	NS	`edns4.ultradns.com` ⭐
	NS	`edns4.ultradns.biz`
	NS	`edns4.ultradns.net`
	NS	`edns4.ultradns.org`
	NS	`ns55.ultradns2.com`
	NS	`ns55.ultradns2.org`
	MX	`us-smtp-inbound-1.mimecast.com` ⭐
	MX	`us-smtp-inbound-2.mimecast.com` ⭐
	TXT	`v=spf1 include:us._netblocks.mimecast.com include:spfhost.messageprovider.com...`
	SOA	`edns4.ultradns.com`premiumdns@support.neustar 2019-07-31 #31

Same first word

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DNS History

4 records (1 active, 3 former)

○A54.236.189.642016-09-08 → 2016-09-08 · 4 obs

○ 2016-03-21 15:25:12
● 2016-09-08 16:13:20
○ 2026-05-03 13:17:04
○ 2026-05-10 22:45:58

○A64.98.36.52015-08-06 → 2016-03-21 · 4 obs

● 2015-08-06 15:28:38
● 2016-03-21 15:25:12
○ 2016-09-08 16:13:20
○ 2026-05-10 22:45:58

○CNAMEmail.rpasltd.com.cust.b.hostedemail.com2015-08-06 → 2016-03-21 · 4 obs

● 2015-08-06 15:28:38
● 2016-03-21 15:25:12
○ 2016-09-08 16:13:20
○ 2026-05-10 22:45:58

●CNAMEmail.worldsecureemail.com2026-05-03 → 2026-05-10 · 3 obs

○ 2016-09-08 16:13:20
● 2026-05-03 13:17:04
● 2026-05-10 22:45:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
rpasltd.com	edns4.ultradns.net, edns4.ultradns.com, edns4.ultradns.biz, edns4.ultradns.org...	4 records

✅ Authoritative Response

Server:204.74.104.55

NS records: edns4.ultradns.net, edns4.ultradns.com, edns4.ultradns.biz, edns4.ultradns.org, ns55.ultradns2.org, ns55.ultradns2.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rpasltd.com (unsigned zone)

⏱️ Timing

Total: 931ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`mail.worldsecureemail.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (edns4.ultradns.com, edns4.ultradns.com, ns55.ultradns2.com...)

Analysis

IP Addresses

mail.rpasltd.com points to a single IP: 64.98.38.186.

Other host names, such as mail.worldsecureemail.com.cust.b.hostedemail.com, share IP numbers with mail.rpasltd.com.

mail.rpasltd.com - robtex.com

mail.rpasltd.com

rpasltd.com