`rubiconacademy.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:8f3f^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:1ba2^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.27.162^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.143.63^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`margot.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26a7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`margot.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2a7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`margot.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22a7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`margot.ns.cloudflare.com`
		A	108.162.194.167^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`margot.ns.cloudflare.com`
		A	162.159.38.167^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`margot.ns.cloudflare.com`
		A	172.64.34.167^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`margot.ns.cloudflare.com`
NS	`randy.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c6d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`randy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c36d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`randy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:236d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`randy.ns.cloudflare.com`
		A	108.162.195.109^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`randy.ns.cloudflare.com`
		A	162.159.44.109^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`randy.ns.cloudflare.com`
		A	172.64.35.109^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`randy.ns.cloudflare.com`
MX	`_dc-mx.9dcd7bafd566.rubiconacademy.com` ⭐
		A	199.250.197.1^{🇺🇸 IMH-IAD199.250.192.0/21}
			PTR	`ecbiz250.inmotionhosting.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.27.162, 172.67.143.63
		IPv6 hints	2606:4700:3030::ac43:8f3f, 2606:4700:3035::6815:1ba2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=111, name=cloudflare-ech.com
SOA	`margot.ns.cloudflare.com`dns@cloudflare.com serial=2408527137

`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=1785419697

Previously MX for

rubiconacademy.com

Same first word

rubiconacademy.net

rubiconacademy.com

DNS History

21 records (7 active, 14 former)

○NSfeed11.verio-web.com2015-07-06 → 2016-04-24 · 4 obs

● 2015-07-06 11:26:34
● 2016-04-24 19:55:52
○ 2017-01-30 09:47:14
○ 2026-07-30 14:11:40

●NSmargot.ns.cloudflare.com2026-02-18 → 2026-07-30 · 3 obs

○ 2019-12-25 07:15:52
● 2026-02-18 11:01:52
● 2026-07-30 14:11:40

○NSns1.inmotionhosting.com2019-12-25 → 2019-12-25 · 4 obs

○ 2017-01-30 09:47:14
● 2019-12-25 07:15:52
○ 2026-02-18 11:01:52
○ 2026-07-30 14:11:40

○NSns11a.verio-web.com2015-07-06 → 2016-04-24 · 4 obs

● 2015-07-06 11:26:34
● 2016-04-24 19:55:52
○ 2017-01-30 09:47:14
○ 2026-07-30 14:11:40

○NSns11b.verio-web.com2015-07-06 → 2016-04-24 · 4 obs

● 2015-07-06 11:26:34
● 2016-04-24 19:55:52
○ 2017-01-30 09:47:14
○ 2026-07-30 14:11:40

○NSns2.inmotionhosting.com2019-12-25 → 2019-12-25 · 4 obs

○ 2017-01-30 09:47:14
● 2019-12-25 07:15:52
○ 2026-02-18 11:01:52
○ 2026-07-30 14:11:40

○NSns45.domaincontrol.com2017-01-30 → 2017-01-30 · 4 obs

○ 2016-04-24 19:55:52
● 2017-01-30 09:47:14
○ 2019-12-25 07:15:52
○ 2026-07-30 14:11:40

○NSns46.domaincontrol.com2017-01-30 → 2017-01-30 · 4 obs

○ 2016-04-24 19:55:52
● 2017-01-30 09:47:14
○ 2019-12-25 07:15:52
○ 2026-07-30 14:11:40

●NSrandy.ns.cloudflare.com2026-02-18 → 2026-07-30 · 3 obs

○ 2019-12-25 07:15:52
● 2026-02-18 11:01:52
● 2026-07-30 14:11:40

●MX_dc-mx.9dcd7bafd566.rubiconacademy.com2026-02-18 → 2026-07-30 · 3 obs

○ 2019-12-25 07:15:52
● 2026-02-18 11:01:52
● 2026-07-30 14:11:40

○MXrubiconacademy-com.mail.protection.outlook.com2017-01-30 → 2017-01-30 · 4 obs

○ 2016-04-24 19:55:52
● 2017-01-30 09:47:14
○ 2019-12-25 07:15:52
○ 2026-07-30 14:11:40

○MXrubiconacademy.com2015-07-06 → 2019-12-25 · 6 obs

● 2015-07-06 11:26:34
● 2016-04-24 19:55:52
○ 2017-01-30 09:47:14
● 2019-12-25 07:15:52
○ 2026-02-18 11:01:52
○ 2026-07-30 14:11:40

●A104.21.27.1622026-02-18 → 2026-07-30 · 3 obs

○ 2019-12-25 07:15:52
● 2026-02-18 11:01:52
● 2026-07-30 14:11:40

○A107.180.40.232017-01-30 → 2017-01-30 · 4 obs

○ 2016-04-24 19:55:52
● 2017-01-30 09:47:14
○ 2019-12-25 07:15:52
○ 2026-07-30 14:11:40

●A172.67.143.632026-02-18 → 2026-07-30 · 3 obs

○ 2019-12-25 07:15:52
● 2026-02-18 11:01:52
● 2026-07-30 14:11:40

○A199.250.197.12019-12-25 → 2019-12-25 · 4 obs

○ 2017-01-30 09:47:14
● 2019-12-25 07:15:52
○ 2026-02-18 11:01:52
○ 2026-07-30 14:11:40

○A207.56.88.172015-07-06 → 2016-04-24 · 4 obs

● 2015-07-06 11:26:34
● 2016-04-24 19:55:52
○ 2017-01-30 09:47:14
○ 2026-07-30 14:11:40

●A2606:4700:3030::ac43:8f3f2026-07-02 → 2026-07-30 · 3 obs

○ 2026-06-07 22:23:20
● 2026-07-02 15:47:56
● 2026-07-30 14:11:40

○A2606:4700:3031::6815:1ba22026-02-18 → 2026-06-07 · 5 obs

○ 2019-12-25 07:15:52
● 2026-02-18 11:01:52
● 2026-06-07 22:23:20
○ 2026-07-02 15:47:56
○ 2026-07-30 14:11:40

●A2606:4700:3035::6815:1ba22026-07-02 → 2026-07-30 · 3 obs

○ 2026-06-07 22:23:20
● 2026-07-02 15:47:56
● 2026-07-30 14:11:40

○A2606:4700:3037::ac43:8f3f2026-02-18 → 2026-06-07 · 5 obs

○ 2019-12-25 07:15:52
● 2026-02-18 11:01:52
● 2026-06-07 22:23:20
○ 2026-07-02 15:47:56
○ 2026-07-30 14:11:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, h.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net...	-
rubiconacademy.com	margot.ns.cloudflare.com, randy.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.109

NS records: margot.ns.cloudflare.com, randy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rubiconacademy.com (unsigned zone)

⏱️ Timing

Total: 203ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.27.162, 172.67.143.63`
AAAA	2	`2606:4700:3035::6815:1ba2, 2606:4700:3030::ac43:8f3f`
NS	2	`margot.ns.cloudflare.com, randy.ns.cloudflare.com`
MX	1	`_dc-mx.9dcd7bafd566.rubiconacademy.com (`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`margot.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

rubiconacademy.com resolves to four IP addresses: 104.21.27.162, 172.67.143.63, 2606:4700:3030::ac43:8f3f and 2606:4700:3035::6815:1ba2.

Two other host names, along with loopy-tech.com, www.rjfskgjstkfts.website and lahamdevelopment.com, also share IP numbers with rubiconacademy.com.

Name Servers

rubiconacademy.com has two authoritative name servers — margot.ns.cloudflare.com and randy.ns.cloudflare.com.

rubiconacademy.com shares its NS records with other domains, for example queenmachineshop77.pro, myhomepi.com, experiencegjirokastra.com and two others.

rubiconacademy.com partially shares its NS delegation with several other domains, including stridemark.ca, gege520.com, 033556.com and two others.

These name servers are regularly seen alongside hal.ns.cloudflare.com and ursula.ns.cloudflare.com as name servers.

DNS names with 6 IP addresses:

margot.ns.cloudflare.com points to 108.162.194.167, 162.159.38.167, 172.64.34.167 and 3 other IP addresses.

randy.ns.cloudflare.com points to 108.162.195.109, 162.159.44.109, 172.64.35.109 and 3 other IP addresses.

Mail Servers

The sole mail server for rubiconacademy.com is _dc-mx.9dcd7bafd566.rubiconacademy.com.

_dc-mx.9dcd7bafd566.rubiconacademy.com points to one IP number — 199.250.197.1.

rubiconacademy.com - robtex.com