`rfkcampus.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:3512^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:cfc5^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.53.18^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.207.197^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`mack.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c25^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mack.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c325^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mack.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2325^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mack.ns.cloudflare.com`
		A	108.162.195.37^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mack.ns.cloudflare.com`
		A	162.159.44.37^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mack.ns.cloudflare.com`
		A	172.64.35.37^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mack.ns.cloudflare.com`
NS	`rayne.ns.cloudflare.com`
		A	2606:4700:50::a29f:260b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayne.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c20b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rayne.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:220b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rayne.ns.cloudflare.com`
		A	108.162.194.11^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayne.ns.cloudflare.com`
		A	162.159.38.11^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayne.ns.cloudflare.com`
		A	172.64.34.11^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayne.ns.cloudflare.com`
MX	`mx.stackmail.com` ⭐
		A	185.151.28.67^{🇬🇧 TWENTYI185.151.28.0/24}
			PTR	`mx.stackmail.com`
TXT	`v=spf1 include:spf.stackmail.com a mx -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.53.18, 172.67.207.197
		IPv6	2606:4700:3030::6815:3512, 2606:4700:3032::ac43:cfc5
SOA	`mack.ns.cloudflare.com`dns@cloudflare.com serial=2396108454

`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=1771291435

Up

www.rfkcampus.com

Same first word

rfkcampus.com

DNS History

12 records (7 active, 5 former)

●NSmack.ns.cloudflare.com2026-02-22 → 2026-02-25 · 3 obs

○ 2017-05-10 12:38:52
● 2026-02-22 04:50:32
● 2026-02-25 21:44:26

○NSns01.diligentrocket.com2017-05-10 → 2017-05-10 · 3 obs

● 2017-05-10 12:38:52
○ 2026-02-22 04:50:32
○ 2026-02-25 21:44:26

○NSns02.diligentrocket.com2017-05-10 → 2017-05-10 · 3 obs

● 2017-05-10 12:38:52
○ 2026-02-22 04:50:32
○ 2026-02-25 21:44:26

○NSns03.diligentrocket.com2017-05-10 → 2017-05-10 · 3 obs

● 2017-05-10 12:38:52
○ 2026-02-22 04:50:32
○ 2026-02-25 21:44:26

●NSrayne.ns.cloudflare.com2026-02-22 → 2026-02-25 · 3 obs

○ 2017-05-10 12:38:52
● 2026-02-22 04:50:32
● 2026-02-25 21:44:26

○MXmx.rfkcampus.com.cust.b.hostedemail.com2017-05-10 → 2017-05-10 · 3 obs

● 2017-05-10 12:38:52
○ 2026-02-22 04:50:32
○ 2026-02-25 21:44:26

●MXmx.stackmail.com2026-02-22 → 2026-02-25 · 3 obs

○ 2017-05-10 12:38:52
● 2026-02-22 04:50:32
● 2026-02-25 21:44:26

●A104.21.53.182026-02-22 → 2026-02-25 · 3 obs

○ 2017-05-10 12:38:52
● 2026-02-22 04:50:32
● 2026-02-25 21:44:26

●A172.67.207.1972026-02-22 → 2026-02-25 · 3 obs

○ 2017-05-10 12:38:52
● 2026-02-22 04:50:32
● 2026-02-25 21:44:26

●A2606:4700:3030::6815:35122026-02-22 → 2026-02-25 · 3 obs

○ 2017-05-10 12:38:52
● 2026-02-22 04:50:32
● 2026-02-25 21:44:26

●A2606:4700:3032::ac43:cfc52026-02-22 → 2026-02-25 · 3 obs

○ 2017-05-10 12:38:52
● 2026-02-22 04:50:32
● 2026-02-25 21:44:26

○A54.236.189.642017-05-10 → 2017-05-10 · 3 obs

● 2017-05-10 12:38:52
○ 2026-02-22 04:50:32
○ 2026-02-25 21:44:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
rfkcampus.com	rayne.ns.cloudflare.com, mack.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.195.37

NS records: rayne.ns.cloudflare.com, mack.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rfkcampus.com (unsigned zone)

⏱️ Timing

Total: 165ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.53.18, 172.67.207.197`
AAAA	2	`2606:4700:3030::6815:3512, 2606:4700:3032::ac43:cfc5`
NS	2	`mack.ns.cloudflare.com, rayne.ns.cloudflare.com`
MX	1	`mx.stackmail.com (pri: 10)`
TXT	1	`v=spf1 include:spf.stackmail.com a mx -a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`mack.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

AI analysis

rfkcampus.com is the parent of www.rfkcampus.com.

rfkcampus.com resolves to four IP numbers: 2606:4700:3030::6815:3512, 2606:4700:3032::ac43:cfc5, 104.21.53.18 and 172.67.207.197.

other host names for instance amcc.edu.bd, www.ra9188.com, suntus.com.cn, www.superiorsod.com and gaxqjyzx.cn share IP numbers with rfkcampus.com.

rfkcampus.com is delegated to two name servers: mack.ns.cloudflare.com and rayne.ns.cloudflare.com.

rfkcampus.com shares the same name server setup as other domains, for example todfox.net, unoportal.net, zillainchintergrate.pages.dev, mixlootversa.pages.dev and ceravid.ru.

rfkcampus.com at least partially shares name servers with other domains, for instance vodea.id, cyberdart.eu, nongamstopbookies.com, businessplus.es and alternativedg.net.

These name servers are often used with nikon.ns.cloudflare.com and lovisa.ns.cloudflare.com.

Host names with six IP numbers:

mack.ns.cloudflare.com points to: 2606:4700:58::a29f:2c25, 2803:f800:50::6ca2:c325, 2a06:98c1:50::ac40:2325, 108.162.195.37, 162.159.44.37 and 172.64.35.37; rayne.ns.cloudflare.com points to: 2606:4700:50::a29f:260b, 2803:f800:50::6ca2:c20b, 2a06:98c1:50::ac40:220b, 108.162.194.11, 162.159.38.11 and 172.64.34.11.

rfkcampus.com is handled by a single mail server, mx.stackmail.com.

rfkcampus.com shares the same mail server setup as other domains, for instance dysgenius.com, khushmag.com, manyeleti.org.za, waectimetable.info and jonesboropizzachef.com.

rfkcampus.com shares some mail servers with other domains at least partially, for example careclothing.co.uk.

Host name mx.stackmail.com points to IP address 185.151.28.67.

rfkcampus.com - robtex.com

rfkcampus.com

com

Up

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

AI analysis

`rfkcampus.com`

`com`