`cr-alumni.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:52a0^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:9f59^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.82.160^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.159.89^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`arvind.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2ce3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arvind.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3e3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`arvind.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23e3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`arvind.ns.cloudflare.com`
		A	108.162.195.227^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arvind.ns.cloudflare.com`
		A	162.159.44.227^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arvind.ns.cloudflare.com`
		A	172.64.35.227^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arvind.ns.cloudflare.com`
NS	`zelda.ns.cloudflare.com`
		A	2606:4700:50::adf5:3af2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zelda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zelda.ns.cloudflare.com`
		A	108.162.192.242^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
		A	172.64.32.242^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
		A	173.245.58.242^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
MX	`eforward1.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward2.registrar-servers.com` ⭐
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward3.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward4.registrar-servers.com`⁽¹⁵⁾
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward5.registrar-servers.com`⁽²⁰⁾
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
TXT	`google-site-verification=Sk8wQ5sNXDfhkWAor8s_Y1HAi81eEZbzMrtAwmR82gI`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.82.160, 172.67.159.89
		IPv6 hints	2606:4700:3033::6815:52a0, 2606:4700:3037::ac43:9f59
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=166, name=cloudflare-ech.com
SOA	`arvind.ns.cloudflare.com`dns@cloudflare.com serial=2401562959

`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=1777220936

Same first word

cr-alumni.com

DNS History

19 records (11 active, 8 former)

○NSa.dns.hostway.net2015-07-11 → 2017-02-08 · 4 obs

● 2015-07-11 13:56:48
● 2017-02-08 08:27:24
○ 2018-09-12 21:07:02
○ 2026-04-26 16:58:00

●NSarvind.ns.cloudflare.com2026-04-17 → 2026-04-26 · 3 obs

○ 2018-09-12 21:07:02
● 2026-04-17 23:20:58
● 2026-04-26 16:58:00

○NSb.dns.hostway.net2015-07-11 → 2017-02-08 · 4 obs

● 2015-07-11 13:56:48
● 2017-02-08 08:27:24
○ 2018-09-12 21:07:02
○ 2026-04-26 16:58:00

○NSns.siteprotect.com2015-07-11 → 2017-02-08 · 4 obs

● 2015-07-11 13:56:48
● 2017-02-08 08:27:24
○ 2018-09-12 21:07:02
○ 2026-04-26 16:58:00

○NSns1.bluehost.com2018-09-12 → 2018-09-12 · 4 obs

○ 2017-02-08 08:27:24
● 2018-09-12 21:07:02
○ 2026-04-17 23:20:58
○ 2026-04-26 16:58:00

○NSns2.bluehost.com2018-09-12 → 2018-09-12 · 4 obs

○ 2017-02-08 08:27:24
● 2018-09-12 21:07:02
○ 2026-04-17 23:20:58
○ 2026-04-26 16:58:00

●NSzelda.ns.cloudflare.com2026-04-17 → 2026-04-26 · 3 obs

○ 2018-09-12 21:07:02
● 2026-04-17 23:20:58
● 2026-04-26 16:58:00

●MXeforward1.registrar-servers.com2026-04-17 → 2026-04-26 · 3 obs

○ 2018-09-12 21:07:02
● 2026-04-17 23:20:58
● 2026-04-26 16:58:00

●MXeforward2.registrar-servers.com2026-04-17 → 2026-04-26 · 3 obs

○ 2018-09-12 21:07:02
● 2026-04-17 23:20:58
● 2026-04-26 16:58:00

●MXeforward3.registrar-servers.com2026-04-17 → 2026-04-26 · 3 obs

○ 2018-09-12 21:07:02
● 2026-04-17 23:20:58
● 2026-04-26 16:58:00

●MXeforward4.registrar-servers.com2026-04-17 → 2026-04-26 · 3 obs

○ 2018-09-12 21:07:02
● 2026-04-17 23:20:58
● 2026-04-26 16:58:00

●MXeforward5.registrar-servers.com2026-04-17 → 2026-04-26 · 3 obs

○ 2018-09-12 21:07:02
● 2026-04-17 23:20:58
● 2026-04-26 16:58:00

○MXmail.cr-alumni.com2015-07-11 → 2018-09-12 · 4 obs

● 2015-07-11 13:56:48
● 2018-09-12 21:07:02
○ 2026-04-17 23:20:58
○ 2026-04-26 16:58:00

●A104.21.82.1602026-04-17 → 2026-04-26 · 3 obs

○ 2018-09-12 21:07:02
● 2026-04-17 23:20:58
● 2026-04-26 16:58:00

●A172.67.159.892026-04-17 → 2026-04-26 · 3 obs

○ 2018-09-12 21:07:02
● 2026-04-17 23:20:58
● 2026-04-26 16:58:00

●A2606:4700:3033::6815:52a02026-04-17 → 2026-04-26 · 3 obs

○ 2018-09-12 21:07:02
● 2026-04-17 23:20:58
● 2026-04-26 16:58:00

●A2606:4700:3037::ac43:9f592026-04-17 → 2026-04-26 · 3 obs

○ 2018-09-12 21:07:02
● 2026-04-17 23:20:58
● 2026-04-26 16:58:00

○A64.71.34.482015-07-11 → 2017-02-08 · 4 obs

● 2015-07-11 13:56:48
● 2017-02-08 08:27:24
○ 2018-09-12 21:07:02
○ 2026-04-26 16:58:00

○A69.89.31.2192018-09-12 → 2018-09-12 · 4 obs

○ 2017-02-08 08:27:24
● 2018-09-12 21:07:02
○ 2026-04-17 23:20:58
○ 2026-04-26 16:58:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net...	-
cr-alumni.com	zelda.ns.cloudflare.com, arvind.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.227

NS records: zelda.ns.cloudflare.com, arvind.ns.cloudflare.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at cr-alumni.com: Error: DNS query timeout: 192.52.178.30 for DS cr-alumni.com

⏱️ Timing

Total: 3263ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.82.160, 172.67.159.89`
AAAA	2	`2606:4700:3037::ac43:9f59, 2606:4700:3033::6815:52a0`
NS	2	`arvind.ns.cloudflare.com, zelda.ns.cloudflare.com`
MX	5	`eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...`
TXT	2	`google-site-verification=Sk8wQ5sNXDfhkWA, v=spf1 include:spf.efwd.registrar-server`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`arvind.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

cr-alumni.com maps to four IP numbers: 2606:4700:3033::6815:52a0, 2606:4700:3037::ac43:9f59, 104.21.82.160 and 172.67.159.89.

Other host names, for instance qstr.pro, wallpapers3000.com, iant.vn, www.fedproposal.com and rajajp188cepat.com share IP numbers with cr-alumni.com.

Name Servers

Two name servers arvind.ns.cloudflare.com and zelda.ns.cloudflare.com are delegated to cr-alumni.com.

cr-alumni.com uses the same name server configuration as other domains, such as golfcopy.com, residenzasanpantaleo.com, wakaebisu.com, myearthwallpapers.com and tangocomics.net.

cr-alumni.com at least partially shares name servers with other domains such as delta-enterprises.com.ua, vidrealms.com, plathu.com, 252fz.ru and ogmmusic.com.

These name servers are commonly used alongside fred.ns.cloudflare.com, gail.ns.cloudflare.com and meadow.ns.cloudflare.com.

Host names with six IP numbers: Host name arvind.ns.cloudflare.com points to 2606:4700:58::a29f:2ce3, 2803:f800:50::6ca2:c3e3, 2a06:98c1:50::ac40:23e3, 108.162.195.227, 162.159.44.227 and 172.64.35.227; host name zelda.ns.cloudflare.com points to 2606:4700:50::adf5:3af2, 2803:f800:50::6ca2:c0f2, 2a06:98c1:50::ac40:20f2, 108.162.192.242, 172.64.32.242 and 173.245.58.242.

Mail Servers

cr-alumni.com is handled by five mail servers: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com, eforward4.registrar-servers.com and eforward5.registrar-servers.com.

cr-alumni.com shares mail servers with other domains at least in part, for instance spacemantravel.com, eruditionscactuss.com, metalhealth.fitness, primebahis335.com and tvppp.com.

These mail servers are commonly used together with eforward6.registrar-servers.com and eforward7.registrar-servers.com.

Hostnames with a single IP address:

eforward1.registrar-servers.com points to: 162.255.118.51

eforward2.registrar-servers.com points to: 162.255.118.52

eforward3.registrar-servers.com points to: 162.255.118.51

eforward4.registrar-servers.com points to: 162.255.118.52

eforward5.registrar-servers.com points to: 162.255.118.51

Hostnames pointing to 162.255.118.51: eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com

Hostnames pointing to 162.255.118.52: eforward2.registrar-servers.com and eforward4.registrar-servers.com

cr-alumni.com - robtex.com

cr-alumni.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`cr-alumni.com`

`com`