rpasltd.com - dns.ninja

rpasltd.com

DNSSEC⚠️ Not signed
A204.74.99.103🇺🇸 MAINT-ID-12008204.74.99.0/24 Neustar
NSedns4.ultradns.com
A2001:502:f3ff::204🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRedns4.ultradns.com
A204.74.66.4🇺🇸 MAINT-ID-12008204.74.66.0/24 Neustar
PTRedns4.ultradns.com
NSedns4.ultradns.biz
A2610:a1:1015::204🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRedns4.ultradns.biz
A204.74.67.4🇺🇸 MAINT-ID-12008204.74.67.0/24 Neustar
PTRedns4.ultradns.biz
NSedns4.ultradns.net
A2610:a1:1014::204🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRedns4.ultradns.net
A204.74.110.4🇺🇸 MAINT-ID-12008204.74.110.0/24 Neustar
PTRedns4.ultradns.net
NSedns4.ultradns.org
A2001:502:4612::204🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRedns4.ultradns.org
A204.74.111.4🇺🇸 MAINT-ID-12008204.74.111.0/24 Neustar
PTRedns4.ultradns.org
NSns55.ultradns2.com
A2610:a1:3137::53🇺🇸 AS3991692610:a1:3137::/48
PTRns55.ultradns2.com
A204.74.104.55🇺🇸 AS399169204.74.104.0/24 UltraDNS
PTRns55.ultradns2.com
NSns55.ultradns2.org
A2610:a1:3237::53🇺🇸 AS3991692610:a1:3237::/48
PTRns55.ultradns2.org
A204.74.106.55🇺🇸 AS399169204.74.106.0/24 UltraDNS
PTRns55.ultradns2.org
MXus-smtp-inbound-1.mimecast.com
A170.10.128.141🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.221🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.242🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.141🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.221🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.242🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
MXus-smtp-inbound-2.mimecast.com
A170.10.128.141🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.221🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.128.242🇺🇸 Mimecast-NA170.10.128.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.141🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.221🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
A170.10.132.242🇺🇸 Mimecast-NA170.10.132.0/23 191 Spring St Lexington MA 02421 United States
PTRus-smtp-inbound-1.mimecast.com
PTRus-smtp-inbound-2.mimecast.com
TXTv=spf1 include:us._netblocks.mimecast.com include:spfhost.messageprovider.com...
SOAedns4.ultradns.compremiumdns@support.neustar 2019-07-31 #31

com

Subdomains

Same first word

Similar names

DNS History

14 records (9 active, 5 former)

20162017201820192020202120222023202420252026NSedns4.ultradns.bizedns4.ultradns.comedns4.ultradns.netedns4.ultradns.orgns55.ultradns2.comns55.ultradns2.orgns1.worldsecuresystems.comns2.worldsecuresystems.comns3.worldsecuresystems.comMXus-smtp-inbound-1.mimecast.comus-smtp-inbound-2.mimecast.commx.rpasltd.com.cust.b.hostedemail.comA204.74.99.10354.236.189.64
NSedns4.ultradns.biz2026-04-28 → 2026-08-11 · 3 obs
○ 2017-04-03 03:42:02
● 2026-04-28 07:25:42
● 2026-08-11 18:59:34
NSedns4.ultradns.com2026-04-28 → 2026-08-11 · 3 obs
○ 2017-04-03 03:42:02
● 2026-04-28 07:25:42
● 2026-08-11 18:59:34
NSedns4.ultradns.net2026-04-28 → 2026-08-11 · 3 obs
○ 2017-04-03 03:42:02
● 2026-04-28 07:25:42
● 2026-08-11 18:59:34
NSedns4.ultradns.org2026-04-28 → 2026-08-11 · 3 obs
○ 2017-04-03 03:42:02
● 2026-04-28 07:25:42
● 2026-08-11 18:59:34
NSns1.worldsecuresystems.com2015-06-10 → 2017-04-03 · 4 obs
● 2015-06-10 06:54:08
● 2017-04-03 03:42:02
○ 2026-04-28 07:25:42
○ 2026-08-11 18:59:34
NSns2.worldsecuresystems.com2015-06-10 → 2017-04-03 · 4 obs
● 2015-06-10 06:54:08
● 2017-04-03 03:42:02
○ 2026-04-28 07:25:42
○ 2026-08-11 18:59:34
NSns3.worldsecuresystems.com2015-06-10 → 2017-04-03 · 4 obs
● 2015-06-10 06:54:08
● 2017-04-03 03:42:02
○ 2026-04-28 07:25:42
○ 2026-08-11 18:59:34
NSns55.ultradns2.com2026-04-28 → 2026-08-11 · 3 obs
○ 2017-04-03 03:42:02
● 2026-04-28 07:25:42
● 2026-08-11 18:59:34
NSns55.ultradns2.org2026-04-28 → 2026-08-11 · 3 obs
○ 2017-04-03 03:42:02
● 2026-04-28 07:25:42
● 2026-08-11 18:59:34
MXmx.rpasltd.com.cust.b.hostedemail.com2015-06-10 → 2017-04-03 · 4 obs
● 2015-06-10 06:54:08
● 2017-04-03 03:42:02
○ 2026-04-28 07:25:42
○ 2026-08-11 18:59:34
MXus-smtp-inbound-1.mimecast.com2026-04-28 → 2026-08-11 · 3 obs
○ 2017-04-03 03:42:02
● 2026-04-28 07:25:42
● 2026-08-11 18:59:34
MXus-smtp-inbound-2.mimecast.com2026-04-28 → 2026-08-11 · 3 obs
○ 2017-04-03 03:42:02
● 2026-04-28 07:25:42
● 2026-08-11 18:59:34
A204.74.99.1032026-04-28 → 2026-08-11 · 3 obs
○ 2017-04-03 03:42:02
● 2026-04-28 07:25:42
● 2026-08-11 18:59:34
A54.236.189.642015-06-10 → 2017-04-03 · 4 obs
● 2015-06-10 06:54:08
● 2017-04-03 03:42:02
○ 2026-04-28 07:25:42
○ 2026-08-11 18:59:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, i.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net...-
rpasltd.comedns4.ultradns.net, edns4.ultradns.com, edns4.ultradns.biz, edns4.ultradns.org...4 records

✅ Authoritative Response

Server:204.74.66.4

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: 2558ms | Queries: -

📄 Records

TypeCountSample Data
A1204.74.99.103
NS6ns55.ultradns2.com, ns55.ultradns2.org...
MX2us-smtp-inbound-1.mimecast.com (pri: 10), us-smtp-inbound-2.mimecast.com (pri: 10)
TXT1v=spf1 include:us._netblocks.mimecast.co
SOA1edns4.ultradns.com premiumdns.support.ne

📌 Glue Records Collected

Total: 4

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

Analysis

Hierarchy

rpasltd.com serves as the parent of www.rpasltd.com and mail.rpasltd.com.

IP Addresses

rpasltd.com has exactly one IP address — 204.74.99.103.

suntouch.net, rcasupport.net, volkswagencrafter.com.au plus two other host names have IP numbers in common with rpasltd.com.

Name Servers

rpasltd.com carries NS records listing 6 name servers — edns4.ultradns.biz, edns4.ultradns.com, ns55.ultradns2.com and 3 others.

The name servers of rpasltd.com overlap at least partially with those of other domains — among them purevet.com.au, zoetis-diagnostik.de, zoetis.mx and two more.

These name servers commonly appear in delegations together with edns4.ultradns.net, edns4.ultradns.org, ns55.ultradns2.org and 6 other.

Host names pointing to two IP addresses:

The A records for edns4.ultradns.biz return 204.74.67.4 and 2610:a1:1015::204.

The A records for edns4.ultradns.com return 204.74.66.4 and 2001:502:f3ff::204.

The A records for ns55.ultradns2.com return 204.74.104.55 and 2610:a1:3137::53.

The A records for edns4.ultradns.net return 204.74.110.4 and 2610:a1:1014::204.

The A records for edns4.ultradns.org return 204.74.111.4 and 2001:502:4612::204.

The A records for ns55.ultradns2.org return 204.74.106.55 and 2610:a1:3237::53.

Mail Servers

rpasltd.com uses two mail servers, us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

The mail server setup of rpasltd.com matches that of other domains such as aaa-mail.com, finnegan.com, sliferdenver.com and two others.

rpasltd.com partially shares its mail servers with other domains; known examples include mbmfoodservice.com, automex.com.my and nextierequipment.com.

Hosts with 6 IP addresses each:

us-smtp-inbound-1.mimecast.com maps to 170.10.128.141, 170.10.128.221, 170.10.128.242 and 3 additional IP addresses.

us-smtp-inbound-2.mimecast.com maps to 170.10.128.141, 170.10.128.221, 170.10.128.242 and 3 additional IP addresses.

us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com each have 170.10.128.141 IP addresses.

us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com each have 170.10.128.221 IP addresses.

us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com each have 170.10.128.242 IP addresses.

us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com each have 170.10.132.141 IP addresses.

us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com each have 170.10.132.221 IP addresses.

us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com each have 170.10.132.242 IP addresses.