rcopen.com - dns.ninja

`rcopen.com`

DNSSEC	⚠️ Not signed
A	65.21.140.247^{🇫🇮 Hetzner65.21.0.0/16 HETZNER-DC}
		PTR	`rcopen.com`
NS	`iris.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a76^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`iris.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c076^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`iris.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2076^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`iris.ns.cloudflare.com`
		A	108.162.192.118^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`iris.ns.cloudflare.com`
		A	172.64.32.118^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`iris.ns.cloudflare.com`
		A	173.245.58.118^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`iris.ns.cloudflare.com`
NS	`lee.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b81^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c181^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lee.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2181^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lee.ns.cloudflare.com`
		A	108.162.193.129^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
		A	172.64.33.129^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
		A	173.245.59.129^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
MX	`in1-smtp.messagingengine.com` ⭐
		A	103.168.172.216^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 TELX-AS151847103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
MX	`in2-smtp.messagingengine.com`⁽²⁰⁾
		A	202.12.124.216^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-01.messagingengine.com`
		A	202.12.124.217^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-02.messagingengine.com`
		A	202.12.124.218^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-03.messagingengine.com`
		A	202.12.124.219^{TELX-AS151847202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-04.messagingengine.com`
TXT	`ca3-f8c4a86dcff24885ac32a09c7d4de4ea`
TXT	`v=spf1 a:rcopen.com include:spf.messagingengine.com ~all`
SOA	`iris.ns.cloudflare.com`dns@cloudflare.com serial=2411239300

`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=1786148049

rank #151870 globally
rank #64575 in the tld
📈 Tranco rank: #303,535

PTR for

247.140.21.65.in-addr.arpa

Same first word

rcopen.com

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DNS History

13 records (5 active, 8 former)

●NSiris.ns.cloudflare.com2026-02-20 → 2026-08-08 · 3 obs

○ 2016-12-04 02:16:16
● 2026-02-20 08:25:26
● 2026-08-08 00:38:58

●NSlee.ns.cloudflare.com2026-02-20 → 2026-08-08 · 3 obs

○ 2016-12-04 02:16:16
● 2026-02-20 08:25:26
● 2026-08-08 00:38:58

○NSns1dns.name.com2015-07-06 → 2016-12-04 · 4 obs

● 2015-07-06 18:30:12
● 2016-12-04 02:16:16
○ 2026-02-20 08:25:26
○ 2026-08-08 00:38:58

○NSns2dqx.name.com2015-07-06 → 2016-12-04 · 4 obs

● 2015-07-06 18:30:12
● 2016-12-04 02:16:16
○ 2026-02-20 08:25:26
○ 2026-08-08 00:38:58

○NSns3dty.name.com2015-07-06 → 2016-12-04 · 4 obs

● 2015-07-06 18:30:12
● 2016-12-04 02:16:16
○ 2026-02-20 08:25:26
○ 2026-08-08 00:38:58

○NSns4cjp.name.com2015-07-06 → 2016-12-04 · 4 obs

● 2015-07-06 18:30:12
● 2016-12-04 02:16:16
○ 2026-02-20 08:25:26
○ 2026-08-08 00:38:58

●MXin1-smtp.messagingengine.com2016-12-04 → 2026-08-08 · 2 obs

● 2016-12-04 02:16:16
● 2026-08-08 00:38:58

●MXin2-smtp.messagingengine.com2016-12-04 → 2026-08-08 · 2 obs

● 2016-12-04 02:16:16
● 2026-08-08 00:38:58

●A65.21.140.2472026-02-20 → 2026-08-08 · 3 obs

○ 2016-12-04 02:16:16
● 2026-02-20 08:25:26
● 2026-08-08 00:38:58

○A75.126.100.262016-12-04 → 2016-12-04 · 4 obs

○ 2016-10-31 05:54:02
● 2016-12-04 02:16:16
○ 2026-02-20 08:25:26
○ 2026-08-08 00:38:58

○A75.126.102.2302016-10-31 → 2016-10-31 · 4 obs

○ 2016-02-28 14:36:46
● 2016-10-31 05:54:02
○ 2016-12-04 02:16:16
○ 2026-08-08 00:38:58

○A75.126.102.2372015-07-06 → 2015-11-07 · 4 obs

● 2015-07-06 18:30:12
● 2015-11-07 21:01:32
○ 2016-02-28 14:36:46
○ 2026-08-08 00:38:58

○A75.126.104.2282016-02-28 → 2016-02-28 · 4 obs

○ 2015-11-07 21:01:32
● 2016-02-28 14:36:46
○ 2016-10-31 05:54:02
○ 2026-08-08 00:38:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
rcopen.com	lee.ns.cloudflare.com, iris.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.118

NS records: lee.ns.cloudflare.com, iris.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 173ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`65.21.140.247`
NS	2	`iris.ns.cloudflare.com, lee.ns.cloudflare.com`
MX	2	`in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)`
TXT	2	`ca3-f8c4a86dcff24885ac32a09c7d4de4ea, v=spf1 a:rcopen.com include:spf.messagin`
SOA	1	`iris.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (lee.ns.cloudflare.com, lee.ns.cloudflare.com, lee.ns.cloudflare.com...)

Analysis

IP Addresses

rcopen.com points to a single IP number: 65.21.140.247.

Other host names, such as rcdesign.ru, share IP numbers with rcopen.com.

Name Servers

rcopen.com is delegated to two name servers: iris.ns.cloudflare.com and lee.ns.cloudflare.com.

rcopen.com shares its name server setup with other domains, including pc-koubou.jp, jamesemerson.com, buffalokingoyna.com and two others.

rcopen.com has at least partial name server overlap with other domains, such as xmlmania.com, portalfk.pl, myiwin88.asia and two others.

It is common to find these name servers paired with the name servers pablo.ns.cloudflare.com.

Host names with 6 IP numbers:

iris.ns.cloudflare.com resolves to 108.162.192.118, 172.64.32.118, 173.245.58.118 and 3 other IP addresses.

lee.ns.cloudflare.com resolves to 108.162.193.129, 172.64.33.129, 173.245.59.129 and 3 other IP addresses.

Mail Servers

rcopen.com has two mail servers: in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

rcopen.com shares the same mail server setup as other domains, including daveandlani.net, youngbloodstudiollc.com, onemanandhisblog.com and two others.

rcopen.com has mail servers in common with other domains — for example winsinc.org and ns1.box.gregelenbaas.com.

Host names with 8 IP numbers:

in1-smtp.messagingengine.com resolves to 103.168.172.216, 103.168.172.217, 103.168.172.218 and 5 other IP addresses.

Host names resolving to four IP addresses:

in2-smtp.messagingengine.com has four IP addresses: 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.