`back2college.com`

DNSSEC	⚠️ Not signed
A	2606:4700:20::681a:ef1^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::681a:ff1^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::ac43:441c^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.14.241^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.15.241^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.68.28^{🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`pete.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b88^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pete.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c188^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`pete.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2188^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`pete.ns.cloudflare.com`
		A	108.162.193.136^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pete.ns.cloudflare.com`
		A	172.64.33.136^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pete.ns.cloudflare.com`
		A	173.245.59.136^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`pete.ns.cloudflare.com`
NS	`roxy.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a8e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roxy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`roxy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`roxy.ns.cloudflare.com`
		A	108.162.192.142^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roxy.ns.cloudflare.com`
		A	172.64.32.142^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roxy.ns.cloudflare.com`
		A	173.245.58.142^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roxy.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4023:1004::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`rq-in-f26.1e100.net`
		A	2607:f8b0:4023:1004::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`rq-in-f27.1e100.net`
		A	2607:f8b0:4023:1011::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`ncdfwo-in-f26.1e100.net`
		A	2607:f8b0:4023:1011::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`ncdfwo-in-f27.1e100.net`
		A	142.250.26.26^{🇺🇸 Google142.250.26.0/24}
			PTR	`ncdfwo-in-f26.1e100.net`
		A	142.250.26.27^{🇺🇸 Google142.250.26.0/24}
			PTR	`ncdfwo-in-f27.1e100.net`
		A	142.250.114.27^{🇺🇸 Google142.250.114.0/24}
			PTR	`rr-in-f27.1e100.net`
		A	142.250.115.26^{🇺🇸 Google142.250.115.0/24}
			PTR	`rq-in-f26.1e100.net`
		A	142.250.115.27^{🇺🇸 Google142.250.115.0/24}
			PTR	`rq-in-f27.1e100.net`
TXT	`google-site-verification=UpNvQ8Akq591-S7SOTK_YSr1_rLOXt815OsdJbek1Ok`
TXT	`v=spf1 +ip4:176.9.118.147 +ip4:5.78.40.63 -all`
TXT	`yahoo-verification-key=wRAnS/oJ3XAO7DphimqhaX0IS56yODwKsLjn6KUZ+LQ=`
HTTPS	HTTP/2 ✓ hints match
		IPv4	104.26.14.241, 104.26.15.241, 172.67.68.28
		IPv6	2606:4700:20::681a:ef1, 2606:4700:20::681a:ff1, 2606:4700:20::ac43:441c
SOA	`pete.ns.cloudflare.com`dns@cloudflare.com serial=2398750897

`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

rank #413571 globally
rank #185020 in the tld
WOT: UNKNOWN (93/100)

Subdomains

mx.back2college.com

Same first word

back2college.com

DNS History

16 records (9 active, 7 former)

○NSns.hosting4u.net2007-09-12 → 2017-04-01 · 4 obs

● 2007-09-12 02:51:52
● 2017-04-01 07:31:52
○ 2026-02-16 13:16:48
○ 2026-03-14 11:36:22

○NSns2.hosting4u.net2007-09-12 → 2017-04-01 · 4 obs

● 2007-09-12 02:51:52
● 2017-04-01 07:31:52
○ 2026-02-16 13:16:48
○ 2026-03-14 11:36:22

○NSns3.hosting4u.net2007-09-12 → 2017-04-01 · 4 obs

● 2007-09-12 02:51:52
● 2017-04-01 07:31:52
○ 2026-02-16 13:16:48
○ 2026-03-14 11:36:22

●NSpete.ns.cloudflare.com2026-02-16 → 2026-03-14 · 3 obs

○ 2017-04-01 07:31:52
● 2026-02-16 13:16:48
● 2026-03-14 11:36:22

●NSroxy.ns.cloudflare.com2026-02-16 → 2026-03-14 · 3 obs

○ 2017-04-01 07:31:52
● 2026-02-16 13:16:48
● 2026-03-14 11:36:22

○MXinbound.registeredsite.com2007-09-12 → 2017-04-01 · 4 obs

● 2007-09-12 02:51:52
● 2017-04-01 07:31:52
○ 2026-02-16 13:16:48
○ 2026-03-14 11:36:22

○MXsmtp.back2college.com2007-09-12 → 2007-09-12 · 3 obs

● 2007-09-12 02:51:52
○ 2015-05-16 02:12:52
○ 2026-03-14 11:36:22

●MXsmtp.google.com2026-02-16 → 2026-03-14 · 3 obs

○ 2017-04-01 07:31:52
● 2026-02-16 13:16:48
● 2026-03-14 11:36:22

●A104.26.14.2412026-02-16 → 2026-03-14 · 3 obs

○ 2017-04-01 07:31:52
● 2026-02-16 13:16:48
● 2026-03-14 11:36:22

●A104.26.15.2412026-02-16 → 2026-03-14 · 3 obs

○ 2017-04-01 07:31:52
● 2026-02-16 13:16:48
● 2026-03-14 11:36:22

●A172.67.68.282026-02-16 → 2026-03-14 · 3 obs

○ 2017-04-01 07:31:52
● 2026-02-16 13:16:48
● 2026-03-14 11:36:22

○A209.15.22.1652007-09-12 → 2007-09-12 · 3 obs

● 2007-09-12 02:51:52
○ 2015-05-16 02:12:52
○ 2026-03-14 11:36:22

○A209.237.150.202015-05-16 → 2017-04-01 · 5 obs

○ 2007-09-12 02:51:52
● 2015-05-16 02:12:52
● 2017-04-01 07:31:52
○ 2026-02-16 13:16:48
○ 2026-03-14 11:36:22

●A2606:4700:20::681a:ef12026-02-16 → 2026-03-14 · 3 obs

○ 2017-04-01 07:31:52
● 2026-02-16 13:16:48
● 2026-03-14 11:36:22

●A2606:4700:20::681a:ff12026-02-16 → 2026-03-14 · 3 obs

○ 2017-04-01 07:31:52
● 2026-02-16 13:16:48
● 2026-03-14 11:36:22

●A2606:4700:20::ac43:441c2026-02-16 → 2026-03-14 · 3 obs

○ 2017-04-01 07:31:52
● 2026-02-16 13:16:48
● 2026-03-14 11:36:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net...	-
back2college.com	pete.ns.cloudflare.com, roxy.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.192.142

NS records: pete.ns.cloudflare.com, roxy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for back2college.com (unsigned zone)

⏱️ Timing

Total: 135ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`172.67.68.28, 104.26.15.241...`
AAAA	3	`2606:4700:20::ac43:441c, 2606:4700:20::681a:ef1...`
NS	2	`pete.ns.cloudflare.com, roxy.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 0)`
TXT	3	`google-site-verification=UpNvQ8Akq591-S7, v=spf1 +ip4:176.9.118.147 +ip4:5.78.40.6...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`pete.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

back2college.com is parent of mx.back2college.com.

IP Addresses

back2college.com maps to six IP numbers: 2606:4700:20::681a:ef1, 2606:4700:20::681a:ff1, 2606:4700:20::ac43:441c, 104.26.14.241, 104.26.15.241 and 172.67.68.28.

Other host names, for instance listserv.medaxiom.com, appgr8.com, dejavoo.io, track.travlerz.com and www.manahatta.co.uk share IP numbers with back2college.com.

Name Servers

back2college.com's delegation is to two name servers pete.ns.cloudflare.com and roxy.ns.cloudflare.com.

back2college.com shares the same name server configuration as other domains, such as wwn.com, dweve.com, goggler.com, eaxx.com and foodiemail.com.

back2college.com at least partially shares its name servers with other domains, for instance gamesms.com, bbq778.com, z979.ca, nationalparty.ie and bakermckenzie.es.

Host names with six IP numbers:

pete.ns.cloudflare.com points to: 2606:4700:58::adf5:3b88, 2803:f800:50::6ca2:c188, 2a06:98c1:50::ac40:2188, 108.162.193.136, 172.64.33.136 and 173.245.59.136.

roxy.ns.cloudflare.com points to: 2606:4700:50::adf5:3a8e, 2803:f800:50::6ca2:c08e, 2a06:98c1:50::ac40:208e, 108.162.192.142, 172.64.32.142 and 173.245.58.142.

Mail Servers

back2college.com is served by a single mail server, smtp.google.com.

back2college.com uses the same mail server setup as other domains such as texasblaster.com, sotech.mx, advancedfundsnetwork.com, a1on.com and holdawaymedia.com.

back2college.com shares some mail servers with other domains, including spirithai.com, johnmargaronis.com, inari.mx, astromono.com and meikatu.com.

these mail servers are often used with 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.

smtp.google.com points to nine IP numbers: 2607:f8b0:4023:1004::1a, 2607:f8b0:4023:1004::1b, 2607:f8b0:4023:1011::1a, 2607:f8b0:4023:1011::1b, 142.250.26.26, 142.250.26.27, 142.250.114.27, 142.250.115.26 and 142.250.115.27.

back2college.com - robtex.com