`rccworldwide.com`

DNSSEC	⚠️ Not signed
A	85.187.134.183^{🇸🇬 A2HOSTING85.187.128.0/21}
		PTR	`85.187.134.183.static.a2webhosting.com`
NS	`ns1.a2hosting.com` ⭐
		A	13.248.158.180^{🇺🇸 Amazon13.248.144.0/20}
			PTR	`a79764cc55c0ac9c0.awsglobalaccelerator.com`
NS	`ns2.a2hosting.com`
		A	75.2.118.134^{🇺🇸 Amazon75.2.112.0/20}
			PTR	`abc65dd9a44b5332f.awsglobalaccelerator.com`
NS	`ns3.a2hosting.com`
		A	76.223.26.245^{🇺🇸 Amazon76.223.16.0/20}
			PTR	`a79764cc55c0ac9c0.awsglobalaccelerator.com`
NS	`ns4.a2hosting.com`
		A	99.83.147.209^{🇺🇸 Amazon99.83.144.0/20}
			PTR	`abc65dd9a44b5332f.awsglobalaccelerator.com`
MX	`mail.rccworldwide.com` ⭐
		A	85.187.134.183^{🇸🇬 A2HOSTING85.187.128.0/21}
			PTR	`85.187.134.183.static.a2webhosting.com`
TXT	`v=spf1 +a +mx +ip4:85.187.128.27 include:spf.a2hosting.com ~all`
SOA	`ns1.a2hosting.com`root@sg1-ss12.a2hosting.com 2026-02-21 #1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1775077447

Previously MX for

rccworldwide.com

Subdomains

mail.rccworldwide.com

Same first word

rccworldwide.com

DNS History

10 records (6 active, 4 former)

●NSns1.a2hosting.com2026-02-27 → 2026-04-01 · 3 obs

○ 2018-08-17 09:08:16
● 2026-02-27 03:28:12
● 2026-04-01 21:17:20

●NSns2.a2hosting.com2026-02-27 → 2026-04-01 · 3 obs

○ 2018-08-17 09:08:16
● 2026-02-27 03:28:12
● 2026-04-01 21:17:20

●NSns3.a2hosting.com2026-02-27 → 2026-04-01 · 3 obs

○ 2018-08-17 09:08:16
● 2026-02-27 03:28:12
● 2026-04-01 21:17:20

●NSns4.a2hosting.com2026-02-27 → 2026-04-01 · 3 obs

○ 2018-08-17 09:08:16
● 2026-02-27 03:28:12
● 2026-04-01 21:17:20

○NSrcc1.rccglobal2u.com2018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 09:08:16
○ 2026-02-27 03:28:12
○ 2026-04-01 21:17:20

○NSrcc2.rccglobal2u.com2018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 09:08:16
○ 2026-02-27 03:28:12
○ 2026-04-01 21:17:20

●MXmail.rccworldwide.com2026-02-27 → 2026-04-01 · 3 obs

○ 2018-08-17 09:08:16
● 2026-02-27 03:28:12
● 2026-04-01 21:17:20

○MXrccworldwide.com2018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 09:08:16
○ 2026-02-27 03:28:12
○ 2026-04-01 21:17:20

○A138.128.191.1472018-08-17 → 2018-08-17 · 3 obs

● 2018-08-17 09:08:16
○ 2026-02-27 03:28:12
○ 2026-04-01 21:17:20

●A85.187.134.1832026-02-27 → 2026-04-01 · 3 obs

○ 2018-08-17 09:08:16
● 2026-02-27 03:28:12
● 2026-04-01 21:17:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, c.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net...	-
rccworldwide.com	ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com, ns4.a2hosting.com	4 records

✅ Authoritative Response

Server:76.223.26.245

NS records: ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com, ns4.a2hosting.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rccworldwide.com (unsigned zone)

⏱️ Timing

Total: 131ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.187.134.183`
NS	4	`ns3.a2hosting.com, ns2.a2hosting.com...`
MX	1	`mail.rccworldwide.com (pri: 0)`
TXT	1	`v=spf1 +a +mx +ip4:85.187.128.27 include`
SOA	1	`ns1.a2hosting.com root.sg1-ss12.a2hostin`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com...)

Analysis

Hierarchy

rccworldwide.com is the parent of mail.rccworldwide.com.

IP Addresses

rccworldwide.com resolves to one IP number: 85.187.134.183.

other host names including sby2u.com, mail.sby2u.com, hasmart2u.com, slineplus.com and mail.slineplus.com share IP numbers with rccworldwide.com.

Name Servers

rccworldwide.com is delegated to four name servers: ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com and ns4.a2hosting.com.

rccworldwide.com at least partially shares name servers with other domains, for instance rgtuttle.com, pollrobot.com, sahal.in, chicagofreedommovement.com and mytreepod.com.

these name servers are commonly used with the name servers ns1.mysecurecloudhost.com, ns2.mysecurecloudhost.com, ns3.mysecurecloudhost.com, ns4.mysecurecloudhost.com, ns1.supercp.com, ns2.supercp.com, ns3.supercp.com and ns4.supercp.com.

Host names with one IP number: ns1.a2hosting.com points to 13.248.158.180; ns2.a2hosting.com points to 75.2.118.134; ns3.a2hosting.com points to 76.223.26.245; ns4.a2hosting.com points to 99.83.147.209.

Mail Servers

rccworldwide.com is handled by a single mail server, mail.rccworldwide.com.

mail.rccworldwide.com resolves to IP 85.187.134.183.

rccworldwide.com - robtex.com