rubykernelio.co - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`rubykernelio.co`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:786^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:bb92^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.7.134^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.187.146^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`leonard.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c36^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leonard.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c336^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`leonard.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2336^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`leonard.ns.cloudflare.com`
		A	108.162.195.54^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leonard.ns.cloudflare.com`
		A	162.159.44.54^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leonard.ns.cloudflare.com`
		A	172.64.35.54^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leonard.ns.cloudflare.com`
NS	`peaches.ns.cloudflare.com`
		A	2606:4700:50::a29f:26ef^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peaches.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2ef^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`peaches.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22ef^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`peaches.ns.cloudflare.com`
		A	108.162.194.239^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peaches.ns.cloudflare.com`
		A	162.159.38.239^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peaches.ns.cloudflare.com`
		A	172.64.34.239^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peaches.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c1f::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f26.1e100.net`
		A	2607:f8b0:4004:c1f::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f27.1e100.net`
		A	2607:f8b0:4004:c21::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f27.1e100.net`
		A	2607:f8b0:4004:c23::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	64.233.180.26^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f26.1e100.net`
			PTR	`pe-in-f26.1e100.net`
		A	64.233.180.27^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f27.1e100.net`
			PTR	`pe-in-f27.1e100.net`
		A	142.251.179.26^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f26.1e100.net`
		A	142.251.179.27^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f27.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f27.1e100.net`
TXT	`google-site-verification=4W_9GI5yha1GTfdGfPEF6H53_QSXMCXg3_WV5dOIQ1A`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.7.134, 172.67.187.146
		IPv6 hints	2606:4700:3031::6815:786, 2606:4700:3031::ac43:bb92
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=51, name=cloudflare-ech.com
SOA	`leonard.ns.cloudflare.com`dns@cloudflare.com serial=2412887254

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co`
	NS	`b.registrydns.co`
	NS	`c.registrydns.co`
	NS	`d.registrydns.co`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759759254

Same first word

rubykernelio.co

Previous names

rubyfruit.co

rubyfunnelio.co

rubygifts.co

rubygrid.co

rubygroup.co

rubygrowhq.co

rubyh.co

rubyharvey.co

rubyhome.co

rubyhub.co

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rubyist.co

rubyit.co

rubyj.co

rubyjade.co

rubyjean.co

rubyjewelry.co

rubyjobs.co

rubyjoinhq.co

rubyk.co

Next names

rubykline.co

rubyktec.co

rubylab.co

rubylabs.co

rubylawexpress.co

rubylee.co

rubylife.co

rubylinkio.co

rubylo.co

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rubyloo.co

rubylove.co

rubylush.co

rubymay.co

rubymediagroup.co

rubymimi.co

rubymindio.co

rubymok.co

DNS History

7 records (7 active, 0 former)

●NSleonard.ns.cloudflare.com2026-08-29 → 2026-09-16 · 2 obs

● 2026-08-29 14:27:16
● 2026-09-16 09:47:24

●NSpeaches.ns.cloudflare.com2026-08-29 → 2026-09-16 · 2 obs

● 2026-08-29 14:27:16
● 2026-09-16 09:47:24

●MXsmtp.google.com2026-08-29 → 2026-09-16 · 2 obs

● 2026-08-29 14:27:16
● 2026-09-16 09:47:24

●A104.21.7.1342026-08-29 → 2026-09-16 · 2 obs

● 2026-08-29 14:27:16
● 2026-09-16 09:47:24

●A172.67.187.1462026-08-29 → 2026-09-16 · 2 obs

● 2026-08-29 14:27:16
● 2026-09-16 09:47:24

●A2606:4700:3031::6815:7862026-08-29 → 2026-09-16 · 2 obs

● 2026-08-29 14:27:16
● 2026-09-16 09:47:24

●A2606:4700:3031::ac43:bb922026-08-29 → 2026-09-16 · 2 obs

● 2026-08-29 14:27:16
● 2026-09-16 09:47:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co	8 records
rubykernelio.co	leonard.ns.cloudflare.com, peaches.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.239

NS records: leonard.ns.cloudflare.com, peaches.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rubykernelio.co (unsigned zone)

⏱️ Timing

Total: 920ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.7.134, 172.67.187.146`
AAAA	2	`2606:4700:3031::6815:786, 2606:4700:3031::ac43:bb92`
NS	2	`leonard.ns.cloudflare.com, peaches.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	2	`google-site-verification=4W_9GI5yha1GTfd, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`leonard.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a.registrydns.co, b.registrydns.co, c.registrydns.co...)

Analysis

IP Addresses

rubykernelio.co resolves to four IP addresses: 104.21.7.134, 172.67.187.146, 2606:4700:3031::6815:786 and 2606:4700:3031::ac43:bb92.

Additional host names — scenariumresidencial.com.br, msra1v.cfd, python-testing-debugging.com and two others — share IP numbers with rubykernelio.co.

Name Servers

rubykernelio.co uses two name servers for its delegation: leonard.ns.cloudflare.com and peaches.ns.cloudflare.com.

rubykernelio.co shares its name server setup with other domains, including sanfranciscohoponhopoff.com, scanparaform.com, softticker.com and two others.

rubykernelio.co has at least partial name server overlap with other domains, such as help-8cb.workers.dev, bokep44796-5143-0-hza.pages.dev, tungbui911.workers.dev and two others.

These name servers are frequently paired with the name servers ben.ns.cloudflare.com, magali.ns.cloudflare.com, virginia.ns.cloudflare.com and two others.

Host names with 6 IP numbers:

Hostname leonard.ns.cloudflare.com directs to 108.162.195.54, 162.159.44.54 and 172.64.35.54 along with 3 other IP addresses.

Hostname peaches.ns.cloudflare.com directs to 108.162.194.239, 162.159.38.239 and 172.64.34.239 along with 3 other IP addresses.

Mail Servers

rubykernelio.co has one mail server: smtp.google.com.

rubykernelio.co shares the same mail server setup as other domains, including ncircle.us, verosimilcreative.com, startwithaspiramed.co and two others.

At least some of rubykernelio.co's mail servers are shared with other domains, among them workwithsesh.info, vazivi.com, z3web.com and grassfedrapid.com.

smtp.google.com points to 9 IP numbers: 64.233.180.26, 64.233.180.27, 142.251.179.26 and 6 other.