`cosignstudentloans.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:be9c^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:33e2^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.51.226^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.190.156^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`diva.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a61^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`diva.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c061^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`diva.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2061^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`diva.ns.cloudflare.com`
		A	108.162.192.97^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`diva.ns.cloudflare.com`
		A	172.64.32.97^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`diva.ns.cloudflare.com`
		A	173.245.58.97^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`diva.ns.cloudflare.com`
NS	`guy.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bad^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`guy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ad^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`guy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ad^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`guy.ns.cloudflare.com`
		A	108.162.193.173^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`guy.ns.cloudflare.com`
		A	172.64.33.173^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`guy.ns.cloudflare.com`
		A	173.245.59.173^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`guy.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c1b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f26.1e100.net`
		A	2607:f8b0:4004:c1b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f27.1e100.net`
		A	2607:f8b0:4004:c1d::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f26.1e100.net`
		A	2607:f8b0:4004:c23::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	142.251.163.26^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f26.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
		A	142.251.167.26^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f26.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f27.1e100.net`
TXT	`google-site-verification=SPfH4QFs1NJMD6_1YvqUjEkyyAk9VxI1-3o7NYgxZ0c`
TXT	`v=spf1 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.51.226, 172.67.190.156
		IPv6 hints	2606:4700:3034::ac43:be9c, 2606:4700:3037::6815:33e2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=64, name=cloudflare-ech.com
SOA	`diva.ns.cloudflare.com`dns@cloudflare.com serial=2408719671

`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=1783720757

Same first word

cosignstudentloans.com

DNS History

13 records (7 active, 6 former)

●NSdiva.ns.cloudflare.com2026-03-04 → 2026-07-10 · 2 obs

● 2026-03-04 16:06:22
● 2026-07-10 22:14:52

●NSguy.ns.cloudflare.com2026-03-04 → 2026-07-10 · 2 obs

● 2026-03-04 16:06:22
● 2026-07-10 22:14:52

●MXsmtp.google.com2026-03-04 → 2026-07-10 · 2 obs

● 2026-03-04 16:06:22
● 2026-07-10 22:14:52

●A104.21.51.2262026-03-04 → 2026-07-10 · 9 obs

● 2026-03-04 16:06:22
● 2026-04-05 10:31:22
○ 2026-04-10 17:19:00
● 2026-04-24 21:23:32
● 2026-05-20 17:48:50
○ 2026-05-22 05:09:26
○ 2026-05-27 20:42:58
● 2026-06-14 07:17:36
● 2026-07-10 22:14:52

●A172.67.190.1562026-03-04 → 2026-07-10 · 9 obs

○A188.114.96.02026-04-10 → 2026-05-27 · 8 obs

○ 2026-04-05 10:31:22
● 2026-04-10 17:19:00
○ 2026-04-24 21:23:32
○ 2026-05-20 17:48:50
● 2026-05-22 05:09:26
● 2026-05-27 20:42:58
○ 2026-06-14 07:17:36
○ 2026-07-10 22:14:52

○A188.114.97.02026-04-10 → 2026-05-27 · 8 obs

○ 2026-04-05 10:31:22
● 2026-04-10 17:19:00
○ 2026-04-24 21:23:32
○ 2026-05-20 17:48:50
● 2026-05-22 05:09:26
● 2026-05-27 20:42:58
○ 2026-06-14 07:17:36
○ 2026-07-10 22:14:52

●A2606:4700:3034::ac43:be9c2026-07-10 → 2026-07-10 · 3 obs

○ 2026-06-14 07:17:36
● 2026-07-10 22:14:48
● 2026-07-10 22:14:52

○A2606:4700:3035::6815:33e22026-03-04 → 2026-06-14 · 10 obs

●A2606:4700:3037::6815:33e22026-07-10 → 2026-07-10 · 3 obs

○ 2026-06-14 07:17:36
● 2026-07-10 22:14:48
● 2026-07-10 22:14:52

○A2606:4700:3037::ac43:be9c2026-03-04 → 2026-06-14 · 10 obs

○A2a06:98c1:3120::2026-04-10 → 2026-05-27 · 8 obs

○ 2026-04-05 10:31:22
● 2026-04-10 17:19:00
○ 2026-04-24 21:23:32
○ 2026-05-20 17:48:50
● 2026-05-22 05:09:26
● 2026-05-27 20:42:58
○ 2026-06-14 07:17:36
○ 2026-07-10 22:14:52

○A2a06:98c1:3121::2026-04-10 → 2026-05-27 · 8 obs

○ 2026-04-05 10:31:22
● 2026-04-10 17:19:00
○ 2026-04-24 21:23:32
○ 2026-05-20 17:48:50
● 2026-05-22 05:09:26
● 2026-05-27 20:42:58
○ 2026-06-14 07:17:36
○ 2026-07-10 22:14:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net...	-
cosignstudentloans.com	diva.ns.cloudflare.com, guy.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.173

NS records: diva.ns.cloudflare.com, guy.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 510ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.51.226, 172.67.190.156`
AAAA	2	`2606:4700:3034::ac43:be9c, 2606:4700:3037::6815:33e2`
NS	2	`diva.ns.cloudflare.com, guy.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	2	`google-site-verification=SPfH4QFs1NJMD6_, v=spf1 -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`diva.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

cosignstudentloans.com resolves to four IP addresses: 104.21.51.226, 172.67.190.156, 2606:4700:3034::ac43:be9c and 2606:4700:3037::6815:33e2.

dettelbach.de, open24-services-help24.com, treadztires.com and two other host names share IP numbers with cosignstudentloans.com.

Name Servers

cosignstudentloans.com is served by two delegated name servers, diva.ns.cloudflare.com and guy.ns.cloudflare.com.

cosignstudentloans.com uses the same name servers as several other domains — among them plubis.gr, belvederezante.com, angelikistudios.gr and two more.

cosignstudentloans.com partially shares its NS delegation with several other domains, including aptsrl.com, raviahuja.com, exaluki.top and two others.

These name servers often co-occur with the name servers dean.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

diva.ns.cloudflare.com carries IP addresses 108.162.192.97, 172.64.32.97 and 173.245.58.97, with 3 other addresses beyond those.

guy.ns.cloudflare.com carries IP addresses 108.162.193.173, 172.64.33.173 and 173.245.59.173, with 3 other addresses beyond those.

Mail Servers

Mail for cosignstudentloans.com is handled by a single mail server, smtp.google.com.

cosignstudentloans.com uses an identical mail server configuration to several other domains — among them bymo.net, angelinvestmentnetwork.cz, mycareerjourney.com and two more.

cosignstudentloans.com has at least partial mail server overlap with other domains such as nounemaroc.ma, firstaidcanada.com, kinor-investment.com and two more.

smtp.google.com resolves to 9 IP addresses — 142.251.163.26, 142.251.163.27, 142.251.167.26 and 6 others.

cosignstudentloans.com - robtex.com