`colleges4us.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:56f8^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:8a65^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.86.248^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.138.101^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`desi.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a60^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`desi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c060^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`desi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2060^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`desi.ns.cloudflare.com`
		A	108.162.192.96^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`desi.ns.cloudflare.com`
		A	172.64.32.96^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`desi.ns.cloudflare.com`
		A	173.245.58.96^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`desi.ns.cloudflare.com`
NS	`drew.ns.cloudflare.com`
		A	2606:4700:58::adf5:3ba0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`drew.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`drew.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`drew.ns.cloudflare.com`
		A	108.162.193.160^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`drew.ns.cloudflare.com`
		A	172.64.33.160^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`drew.ns.cloudflare.com`
		A	173.245.59.160^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`drew.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4023:c06::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dz-in-f27.1e100.net`
		A	74.125.137.26^{🇺🇸 Google74.125.137.0/24}
			PTR	`dy-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:3003::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yulnkjt-in-f27.1e100.net`
		A	172.253.145.27^{🇺🇸 Google172.253.145.0/24}
			PTR	`yulnkjt-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c00::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f26.1e100.net`
			PTR	`ws-in-x1a.1e100.net`
		A	173.194.76.26^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f26.1e100.net`
TXT	`google-site-verification=1kVB-V8jvEo2wH1glR83NryzdbA45JBccdqfZmj5XUE`
TXT	`google-site-verification=b78PLSm4G9rjYsGR15CIMMKnkkhFS8tgiWOsQfMX-Lk`
TXT	`v=spf1 mx a ip4:69.42.215.48/28 ip4:69.42.219.0/28 include:amazonses.com incl...`
TXT	`yahoo-verification-key=F59V1hB1JOZtMjctp19G3ejim9LCGZ4nTRQwsPYntIo=`
TXT	`yahoo-verification-key=f6RqoZmzwiARMnVPIJ4RyQozxygtnM2pIHTZ3zd7qZI=`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.86.248, 172.67.138.101
		IPv6 hints	2606:4700:3030::6815:56f8, 2606:4700:3036::ac43:8a65
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=108, name=cloudflare-ech.com
SOA	`desi.ns.cloudflare.com`dns@cloudflare.com serial=2402973975

`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=1778428551

Same first word

colleges4us.com

DNS History

17 records (11 active, 6 former)

●NSdesi.ns.cloudflare.com2026-03-20 → 2026-05-10 · 3 obs

○ 2017-01-05 13:35:16
● 2026-03-20 18:39:36
● 2026-05-10 16:00:26

●NSdrew.ns.cloudflare.com2026-03-20 → 2026-05-10 · 3 obs

○ 2017-01-05 13:35:16
● 2026-03-20 18:39:36
● 2026-05-10 16:00:26

○NSns1.m22.siteground.biz2015-06-02 → 2016-04-30 · 4 obs

● 2015-06-02 17:54:40
● 2016-04-30 21:46:34
○ 2017-01-05 13:35:16
○ 2026-05-10 16:00:26

○NSns2.m22.siteground.biz2015-06-02 → 2016-04-30 · 4 obs

● 2015-06-02 17:54:40
● 2016-04-30 21:46:34
○ 2017-01-05 13:35:16
○ 2026-05-10 16:00:26

●MXalt1.aspmx.l.google.com2026-03-20 → 2026-05-10 · 3 obs

○ 2017-01-05 13:35:16
● 2026-03-20 18:39:36
● 2026-05-10 16:00:26

●MXalt2.aspmx.l.google.com2026-03-20 → 2026-05-10 · 3 obs

○ 2017-01-05 13:35:16
● 2026-03-20 18:39:36
● 2026-05-10 16:00:26

●MXalt3.aspmx.l.google.com2026-03-20 → 2026-05-10 · 3 obs

○ 2017-01-05 13:35:16
● 2026-03-20 18:39:36
● 2026-05-10 16:00:26

●MXalt4.aspmx.l.google.com2026-03-20 → 2026-05-10 · 3 obs

○ 2017-01-05 13:35:16
● 2026-03-20 18:39:36
● 2026-05-10 16:00:26

●MXaspmx.l.google.com2026-03-20 → 2026-05-10 · 3 obs

○ 2017-01-05 13:35:16
● 2026-03-20 18:39:36
● 2026-05-10 16:00:26

○MXmx10.mailspamprotection.com2015-06-02 → 2016-04-30 · 4 obs

● 2015-06-02 17:54:40
● 2016-04-30 21:46:34
○ 2017-01-05 13:35:16
○ 2026-05-10 16:00:26

○MXmx20.mailspamprotection.com2015-06-02 → 2016-04-30 · 4 obs

● 2015-06-02 17:54:40
● 2016-04-30 21:46:34
○ 2017-01-05 13:35:16
○ 2026-05-10 16:00:26

○MXmx30.mailspamprotection.com2015-06-02 → 2016-04-30 · 4 obs

● 2015-06-02 17:54:40
● 2016-04-30 21:46:34
○ 2017-01-05 13:35:16
○ 2026-05-10 16:00:26

●A104.21.86.2482026-03-20 → 2026-05-10 · 3 obs

○ 2017-01-05 13:35:16
● 2026-03-20 18:39:36
● 2026-05-10 16:00:26

●A172.67.138.1012026-03-20 → 2026-05-10 · 3 obs

○ 2017-01-05 13:35:16
● 2026-03-20 18:39:36
● 2026-05-10 16:00:26

○A181.224.147.2472015-06-02 → 2016-04-30 · 4 obs

● 2015-06-02 17:54:40
● 2016-04-30 21:46:34
○ 2017-01-05 13:35:16
○ 2026-05-10 16:00:26

●A2606:4700:3030::6815:56f82026-03-20 → 2026-05-10 · 3 obs

○ 2017-01-05 13:35:16
● 2026-03-20 18:39:36
● 2026-05-10 16:00:26

●A2606:4700:3036::ac43:8a652026-03-20 → 2026-05-10 · 3 obs

○ 2017-01-05 13:35:16
● 2026-03-20 18:39:36
● 2026-05-10 16:00:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net, a.gtld-servers.net...	-
colleges4us.com	desi.ns.cloudflare.com, drew.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.160

NS records: desi.ns.cloudflare.com, drew.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for colleges4us.com (unsigned zone)

⏱️ Timing

Total: 170ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.86.248, 172.67.138.101`
AAAA	2	`2606:4700:3030::6815:56f8, 2606:4700:3036::ac43:8a65`
NS	2	`desi.ns.cloudflare.com, drew.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	5	`google-site-verification=1kVB-V8jvEo2wH1, google-site-verification=b78PLSm4G9rjYsG...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`desi.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

colleges4us.com points to four IP numbers: 2606:4700:3030::6815:56f8, 2606:4700:3036::ac43:8a65, 104.21.86.248 and 172.67.138.101.

Other host names, for instance prevostprouds.com, casinospotlight.nl, k9db.cn, www.motphim6.com and tendenzamitomiscela.it share IP numbers with colleges4us.com.

Name Servers

colleges4us.com is delegated to two name servers: desi.ns.cloudflare.com and drew.ns.cloudflare.com.

colleges4us.com uses the same name server setup as other domains, for instance rstbrands.com, helpfinderusa.com, nzbfinder.ws, product.info and logicengine.app.

colleges4us.com shares name servers with other domains at least partially, for instance techplusplus.net, atari800xl.org, toscano-consulting.com, quave.com and wjcxjh.cn.

these name servers are often used with wells.ns.cloudflare.com, odin.ns.cloudflare.com and gwen.ns.cloudflare.com.

Host names with six IP numbers: desi.ns.cloudflare.com points to 2606:4700:50::adf5:3a60, 2803:f800:50::6ca2:c060, 2a06:98c1:50::ac40:2060, 108.162.192.96, 172.64.32.96 and 173.245.58.96; drew.ns.cloudflare.com points to 2606:4700:58::adf5:3ba0, 2803:f800:50::6ca2:c1a0, 2a06:98c1:50::ac40:21a0, 108.162.193.160, 172.64.33.160 and 173.245.59.160.

Mail Servers

colleges4us.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

colleges4us.com shares some mail servers with other domains, including ns500699.ns500699.ns500699.ns500699.ns500699.ns500734.ns500588.ns500588.ns500693.ns500683.ns500588.ns500588.ns500588.ns500612.ns500588.ns500578.ns500110.dtrkdll.com, audiens.net, ns500742.ns500754.ns500742.ns500754.ns500671.ns500731.ns500704.ns500704.ns500704.ns500671.ns500705.ns500704.ns500678.ns500291.ns500649.tenderladiesbz.com, arcusteam.com and dotcomaccount.com.

these mail servers are commonly used with aspmx3.googlemail.com, aspmx2.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4023:c06::1b and 74.125.137.26.

alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1b and 108.177.123.26.

alt2.aspmx.l.google.com points to 2607:f8b0:4023:3003::1b and 172.253.145.27.

alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1a and 192.178.223.26.

alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1a and 173.194.76.26.

colleges4us.com - robtex.com

colleges4us.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

`colleges4us.com`

`com`