rcbopt.com - dns.ninja

`rcbopt.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:2b27^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:dae0^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.43.39^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.218.224^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`nelci.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2698^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelci.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c298^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nelci.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2298^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nelci.ns.cloudflare.com`
		A	108.162.194.152^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelci.ns.cloudflare.com`
		A	162.159.38.152^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelci.ns.cloudflare.com`
		A	172.64.34.152^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelci.ns.cloudflare.com`
NS	`pedro.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cb7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pedro.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3b7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`pedro.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23b7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`pedro.ns.cloudflare.com`
		A	108.162.195.183^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pedro.ns.cloudflare.com`
		A	162.159.44.183^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pedro.ns.cloudflare.com`
		A	172.64.35.183^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pedro.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁸⁶⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽¹⁰⁰⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`google-site-verification=CFefyuy-OwibnW35ycM5nCKNFva-otoP54y_9Ky-Nao`
TXT	`v=spf1 +a +mx include:_spf.mx.cloudflare.net include:spf.cheetahinbox.com ~all`
TXT	`yahoo-verification-key=BTiZ4pU0tv1D7IrTPTAofz43vrGRewAL765MgQmMzlk=`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.43.39, 172.67.218.224
		IPv6 hints	2606:4700:3031::6815:2b27, 2606:4700:3031::ac43:dae0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=121, name=cloudflare-ech.com
SOA	`nelci.ns.cloudflare.com`dns@cloudflare.com serial=2405022608

`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=1782514920

Same first word

rcbopt.com

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DNS History

15 records (9 active, 6 former)

●NSnelci.ns.cloudflare.com2026-02-16 → 2026-06-26 · 3 obs

○ 2018-11-28 10:22:48
● 2026-02-16 12:14:28
● 2026-06-26 23:29:02

○NSns1.digitalocean.com2018-11-28 → 2018-11-28 · 3 obs

● 2018-11-28 10:22:48
○ 2026-02-16 12:14:28
○ 2026-06-26 23:29:02

○NSns2.digitalocean.com2018-11-28 → 2018-11-28 · 3 obs

● 2018-11-28 10:22:48
○ 2026-02-16 12:14:28
○ 2026-06-26 23:29:02

○NSns3.digitalocean.com2018-11-28 → 2018-11-28 · 3 obs

● 2018-11-28 10:22:48
○ 2026-02-16 12:14:28
○ 2026-06-26 23:29:02

●NSpedro.ns.cloudflare.com2026-02-16 → 2026-06-26 · 3 obs

○ 2018-11-28 10:22:48
● 2026-02-16 12:14:28
● 2026-06-26 23:29:02

○MXmail.rcbopt.com2018-11-28 → 2018-11-28 · 3 obs

● 2018-11-28 10:22:48
○ 2026-02-16 12:14:28
○ 2026-06-26 23:29:02

●MXroute1.mx.cloudflare.net2026-02-16 → 2026-06-26 · 3 obs

○ 2018-11-28 10:22:48
● 2026-02-16 12:14:28
● 2026-06-26 23:29:02

●MXroute2.mx.cloudflare.net2026-02-16 → 2026-06-26 · 3 obs

○ 2018-11-28 10:22:48
● 2026-02-16 12:14:28
● 2026-06-26 23:29:02

●MXroute3.mx.cloudflare.net2026-02-16 → 2026-06-26 · 3 obs

○ 2018-11-28 10:22:48
● 2026-02-16 12:14:28
● 2026-06-26 23:29:02

●A104.21.43.392026-02-16 → 2026-06-26 · 3 obs

○ 2018-11-28 10:22:48
● 2026-02-16 12:14:28
● 2026-06-26 23:29:02

○A167.99.77.1182018-11-28 → 2018-11-28 · 3 obs

● 2018-11-28 10:22:48
○ 2026-02-16 12:14:28
○ 2026-06-26 23:29:02

●A172.67.218.2242026-02-16 → 2026-06-26 · 3 obs

○ 2018-11-28 10:22:48
● 2026-02-16 12:14:28
● 2026-06-26 23:29:02

●A2606:4700:3031::6815:2b272026-06-26 → 2026-06-26 · 3 obs

○ 2026-02-16 12:14:28
● 2026-06-26 23:29:00
● 2026-06-26 23:29:02

●A2606:4700:3031::ac43:dae02026-02-16 → 2026-06-26 · 3 obs

○ 2018-11-28 10:22:48
● 2026-02-16 12:14:28
● 2026-06-26 23:29:02

○A2606:4700:3033::6815:2b272026-02-16 → 2026-02-16 · 4 obs

○ 2018-11-28 10:22:48
● 2026-02-16 12:14:28
○ 2026-06-26 23:29:00
○ 2026-06-26 23:29:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net...	-
rcbopt.com	nelci.ns.cloudflare.com, pedro.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.152

NS records: nelci.ns.cloudflare.com, pedro.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rcbopt.com (unsigned zone)

⏱️ Timing

Total: 166ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.218.224, 104.21.43.39`
AAAA	2	`2606:4700:3031::ac43:dae0, 2606:4700:3031::6815:2b27`
NS	2	`nelci.ns.cloudflare.com, pedro.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 100), route1.mx.cloudflare.net (pri: 58)...`
TXT	3	`google-site-verification=CFefyuy-OwibnW3, v=spf1 +a +mx include:_spf.mx.cloudflare...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`nelci.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

rcbopt.com directs to four IP numbers, which are 104.21.43.39, 172.67.218.224, 2606:4700:3031::6815:2b27 and 2606:4700:3031::ac43:dae0.

Two other host names, along with miidas-update.merchats.se, oscops.com and milspectubing.com, also share IP numbers with rcbopt.com.

Name Servers

rcbopt.com has two authoritative name servers — nelci.ns.cloudflare.com and pedro.ns.cloudflare.com.

rcbopt.com shares its NS records with other domains, for example hbdc.ph, zhornyhub.com, sibayaktotosini.store and two others.

The name servers of rcbopt.com overlap at least partially with those of other domains — among them v7bet.games, envelopeprotocol.digital, zufotodumcapital.click and two more.

These name servers commonly co-occur with the name servers fatima.ns.cloudflare.com, rustam.ns.cloudflare.com, fattouche.ns.cloudflare.com and coby.ns.cloudflare.com.

DNS names with 6 IP addresses:

nelci.ns.cloudflare.com points to 108.162.194.152, 162.159.38.152, 172.64.34.152 and 3 other IP addresses.

pedro.ns.cloudflare.com points to 108.162.195.183, 162.159.44.183, 172.64.35.183 and 3 other IP addresses.

Mail Servers

Mail for rcbopt.com is routed through three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

There is at least a partial MX overlap between rcbopt.com and other domains, including germanavny.com, database-connection-pooling.com, streamup.it and two others.

DNS names with 6 IP addresses:

route1.mx.cloudflare.net points to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 other IP addresses.

route2.mx.cloudflare.net points to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 other IP addresses.

route3.mx.cloudflare.net points to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 other IP addresses.