`rsfcsc.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:4fbd^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:931c^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.79.189^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.147.28^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`owen.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bdb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`owen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1db^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`owen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21db^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`owen.ns.cloudflare.com`
		A	108.162.193.219^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`owen.ns.cloudflare.com`
		A	172.64.33.219^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`owen.ns.cloudflare.com`
		A	173.245.59.219^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`owen.ns.cloudflare.com`
NS	`pam.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a8a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pam.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`pam.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`pam.ns.cloudflare.com`
		A	108.162.192.138^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pam.ns.cloudflare.com`
		A	172.64.32.138^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pam.ns.cloudflare.com`
		A	173.245.58.138^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pam.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.79.189, 172.67.147.28
		IPv6	2606:4700:3035::6815:4fbd, 2606:4700:3035::ac43:931c
SOA	`owen.ns.cloudflare.com`dns@cloudflare.com serial=2397996350

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1774513287

Previously MX for

rsfcsc.org

Same first word

rsfcsc.org

Similar names

fcscsr.org

DNS History

21 records (6 active, 15 former)

○NSns1.indianbusinessminds.com2016-01-20 → 2016-04-17 · 5 obs

○ 2015-08-22 20:21:00
● 2016-01-20 20:00:06
● 2016-04-17 08:30:06
○ 2016-11-10 08:12:40
○ 2026-03-26 08:35:20

○NSns1.secureserver.net2016-11-10 → 2016-11-10 · 4 obs

○ 2016-04-17 08:30:06
● 2016-11-10 08:12:40
○ 2017-05-22 09:05:44
○ 2026-03-26 08:35:20

○NSns2.indianbusinessminds.com2016-01-20 → 2016-04-17 · 5 obs

○ 2015-08-22 20:21:00
● 2016-01-20 20:00:06
● 2016-04-17 08:30:06
○ 2016-11-10 08:12:40
○ 2026-03-26 08:35:20

○NSns2.secureserver.net2016-11-10 → 2016-11-10 · 4 obs

○ 2016-04-17 08:30:06
● 2016-11-10 08:12:40
○ 2017-05-22 09:05:44
○ 2026-03-26 08:35:20

○NSns49.domaincontrol.com2015-08-22 → 2015-08-22 · 3 obs

● 2015-08-22 20:21:00
○ 2016-01-20 20:00:06
○ 2026-03-26 08:35:20

○NSns50.domaincontrol.com2015-08-22 → 2015-08-22 · 3 obs

● 2015-08-22 20:21:00
○ 2016-01-20 20:00:06
○ 2026-03-26 08:35:20

○NSns67.domaincontrol.com2017-05-22 → 2017-05-22 · 4 obs

○ 2016-11-10 08:12:40
● 2017-05-22 09:05:44
○ 2026-03-10 09:12:42
○ 2026-03-26 08:35:20

○NSns68.domaincontrol.com2017-05-22 → 2017-05-22 · 4 obs

○ 2016-11-10 08:12:40
● 2017-05-22 09:05:44
○ 2026-03-10 09:12:42
○ 2026-03-26 08:35:20

●NSowen.ns.cloudflare.com2026-03-10 → 2026-03-26 · 3 obs

○ 2017-05-22 09:05:44
● 2026-03-10 09:12:42
● 2026-03-26 08:35:20

●NSpam.ns.cloudflare.com2026-03-10 → 2026-03-26 · 3 obs

○ 2017-05-22 09:05:44
● 2026-03-10 09:12:42
● 2026-03-26 08:35:20

○MXmailstore1.secureserver.net2015-08-22 → 2015-08-22 · 3 obs

● 2015-08-22 20:21:00
○ 2016-01-20 20:00:06
○ 2026-03-26 08:35:20

○MXrsfcsc.org2016-01-20 → 2016-11-10 · 5 obs

○ 2015-08-22 20:21:00
● 2016-01-20 20:00:06
● 2016-11-10 08:12:40
○ 2017-05-22 09:05:44
○ 2026-03-26 08:35:20

○MXsmtp.secureserver.net2015-08-22 → 2015-08-22 · 3 obs

● 2015-08-22 20:21:00
○ 2016-01-20 20:00:06
○ 2026-03-26 08:35:20

●A104.21.79.1892026-03-10 → 2026-03-26 · 3 obs

○ 2017-05-22 09:05:44
● 2026-03-10 09:12:42
● 2026-03-26 08:35:20

○A166.62.93.1922016-11-10 → 2016-11-10 · 4 obs

○ 2016-04-17 08:30:06
● 2016-11-10 08:12:40
○ 2017-05-22 09:05:44
○ 2026-03-26 08:35:20

●A172.67.147.282026-03-10 → 2026-03-26 · 3 obs

○ 2017-05-22 09:05:44
● 2026-03-10 09:12:42
● 2026-03-26 08:35:20

○A192.169.226.2452016-01-20 → 2016-04-17 · 5 obs

○ 2015-08-22 20:21:00
● 2016-01-20 20:00:06
● 2016-04-17 08:30:06
○ 2016-11-10 08:12:40
○ 2026-03-26 08:35:20

○A23.229.238.2012015-08-22 → 2015-08-22 · 3 obs

● 2015-08-22 20:21:00
○ 2016-01-20 20:00:06
○ 2026-03-26 08:35:20

●A2606:4700:3035::6815:4fbd2026-03-10 → 2026-03-26 · 3 obs

○ 2017-05-22 09:05:44
● 2026-03-10 09:12:42
● 2026-03-26 08:35:20

●A2606:4700:3035::ac43:931c2026-03-10 → 2026-03-26 · 3 obs

○ 2017-05-22 09:05:44
● 2026-03-10 09:12:42
● 2026-03-26 08:35:20

○A50.63.202.402017-05-22 → 2017-05-22 · 4 obs

○ 2016-11-10 08:12:40
● 2017-05-22 09:05:44
○ 2026-03-10 09:12:42
○ 2026-03-26 08:35:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
rsfcsc.org	pam.ns.cloudflare.com, owen.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.219

NS records: pam.ns.cloudflare.com, owen.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rsfcsc.org (unsigned zone)

⏱️ Timing

Total: 315ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.147.28, 104.21.79.189`
AAAA	2	`2606:4700:3035::6815:4fbd, 2606:4700:3035::ac43:931c`
NS	2	`owen.ns.cloudflare.com, pam.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`owen.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

rsfcsc.org resolves to four IP numbers: 2606:4700:3035::6815:4fbd, 2606:4700:3035::ac43:931c, 104.21.79.189 and 172.67.147.28.

other host names for instance squeakmachine.com, necovm.com, bahis-rehberi-17.com, myjmail.com and ramad.cn share IP numbers with rsfcsc.org.

Name Servers

rsfcsc.org is delegated to two name servers: owen.ns.cloudflare.com and pam.ns.cloudflare.com.

rsfcsc.org shares the same name server setup as other domains, for example petclub.com.hk, loha(0x736578)pohk.com, ericrasher.com, kristiansen.nu and mysql.vn.

rsfcsc.org at least partially shares name servers with other domains, for instance zhjysk.com, azreportcards.com, nyelectrolysis.com, mg529.ru and tucker.pw.

These name servers are commonly used with mckinley.ns.cloudflare.com, eric.ns.cloudflare.com and sima.ns.cloudflare.com.

Host names with six IP numbers:

owen.ns.cloudflare.com points to: 2606:4700:58::adf5:3bdb, 2803:f800:50::6ca2:c1db, 2a06:98c1:50::ac40:21db, 108.162.193.219, 172.64.33.219 and 173.245.59.219; pam.ns.cloudflare.com points to: 2606:4700:50::adf5:3a8a, 2803:f800:50::6ca2:c08a, 2a06:98c1:50::ac40:208a, 108.162.192.138, 172.64.32.138 and 173.245.58.138.

rsfcsc.org - robtex.com

rsfcsc.org

org

Previously MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`rsfcsc.org`

`org`