`buybacksprint.us`

DNSSEC	⚠️ Not signed
NS	`ns5.assurant.com` ⭐ ⚠️ Not in parent delegation
		A	172.64.53.247^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns0054.secondary.cloudflare.com` ⚠️ Not in zone NS records
		A	2606:4700:51::a29f:2037^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns0054.secondary.cloudflare.com`
		A	162.159.32.55^{Cloudflare162.159.32.0/23 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns0054.secondary.cloudflare.com`
NS	`ns0209.secondary.cloudflare.com` ⚠️ Not in zone NS records
		A	2606:4700:59::a29f:2154^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns0209.secondary.cloudflare.com`
		A	162.159.33.84^{Cloudflare162.159.32.0/23 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns0209.secondary.cloudflare.com`
NS	`ns6.assurant.com` ⚠️ Not in parent delegation
		A	172.64.52.57^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`smtp.secureserver.net` ⭐
		A	216.69.141.71^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v01.prod.phx3.secureserver.net`
		A	216.69.141.84^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v01.prod.phx3.secureserver.net`
		A	216.69.141.113^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v01.prod.phx3.secureserver.net`
MX	`mailstore1.secureserver.net`⁽¹⁰⁾
		A	216.69.141.78^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v02.prod.phx3.secureserver.net`
		A	216.69.141.114^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v02.prod.phx3.secureserver.net`
		A	216.69.141.162^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v02.prod.phx3.secureserver.net`
TXT	`v=spf1 ip4:167.79.177.0/24 ip4:167.79.190.0/27 ip4:167.79.14.192/29 include:s...`
SOA	`ns5.assurant.com`network@assurant.com serial=13

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1774831287

Same first word

buybacksprint.biz

buybacksprint.net

buybacksprint.us

Similar names

sprintbuyback.us

sprintbuyback.net

sprintbuyback.com

DNS History

10 records (6 active, 4 former)

●NSns0054.secondary.cloudflare.com2026-03-28 → 2026-03-30 · 3 obs

○ 2021-09-16 18:07:14
● 2026-03-28 04:13:48
● 2026-03-30 00:51:54

●NSns0209.secondary.cloudflare.com2026-03-28 → 2026-03-30 · 3 obs

○ 2021-09-16 18:07:14
● 2026-03-28 04:13:48
● 2026-03-30 00:51:54

●NSns5.assurant.com2026-03-28 → 2026-03-30 · 3 obs

○ 2021-09-16 18:07:14
● 2026-03-28 04:13:48
● 2026-03-30 00:51:54

●NSns6.assurant.com2026-03-28 → 2026-03-30 · 3 obs

○ 2021-09-16 18:07:14
● 2026-03-28 04:13:48
● 2026-03-30 00:51:54

○NSpdns01.domaincontrol.com2015-08-07 → 2021-09-16 · 4 obs

● 2015-08-07 19:16:56
● 2021-09-16 18:07:14
○ 2026-03-28 04:13:48
○ 2026-03-30 00:51:54

○NSpdns02.domaincontrol.com2015-08-07 → 2021-09-16 · 4 obs

● 2015-08-07 19:16:56
● 2021-09-16 18:07:14
○ 2026-03-28 04:13:48
○ 2026-03-30 00:51:54

●MXmailstore1.secureserver.net2015-08-07 → 2026-03-30 · 2 obs

● 2015-08-07 19:16:56
● 2026-03-30 00:51:54

●MXsmtp.secureserver.net2015-08-07 → 2026-03-30 · 2 obs

● 2015-08-07 19:16:56
● 2026-03-30 00:51:54

○A184.168.221.402015-08-07 → 2020-05-22 · 4 obs

● 2015-08-07 19:16:56
● 2020-05-22 05:19:52
○ 2021-09-16 18:07:14
○ 2026-03-30 00:51:54

○A34.102.136.1802021-09-16 → 2021-09-16 · 4 obs

○ 2020-05-22 05:19:52
● 2021-09-16 18:07:14
○ 2026-03-28 04:13:48
○ 2026-03-30 00:51:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...	-
buybacksprint.us	ns0054.secondary.cloudflare.com, ns0209.secondary.cloudflare.com	-

✅ Authoritative Response

Server:162.159.33.84

NS records: ns0054.secondary.cloudflare.com, ns0209.secondary.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for buybacksprint.us (unsigned zone)

⏱️ Timing

Total: 302ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns5.assurant.com, ns6.assurant.com`
MX	2	`smtp.secureserver.net (pri: 0), mailstore1.secureserver.net (pri: 10)`
TXT	1	`v=spf1 ip4:167.79.177.0/24 ip4:167.79.19`
SOA	1	`ns5.assurant.com network.assurant.com`

Analysis

Name Servers

buybacksprint.us is delegated to four name servers: ns5.assurant.com, ns6.assurant.com, ns0054.secondary.cloudflare.com and ns0209.secondary.cloudflare.com.

buybacksprint.us at least partially shares name servers with other domains, for instance cpr-rockhill.com, buyrenterins.com, montraelectricpowershield.com, residentins.com and assurantam.com.

Host names with two IP numbers:

ns0054.secondary.cloudflare.com points to 2606:4700:51::a29f:2037 and 162.159.32.55; ns0209.secondary.cloudflare.com points to 2606:4700:59::a29f:2154 and 162.159.33.84.

Host names with one IP number:

ns5.assurant.com points to 172.64.53.247; ns6.assurant.com points to 172.64.52.57.

Mail Servers

Two mail servers handle buybacksprint.us: mailstore1.secureserver.net and smtp.secureserver.net.

buybacksprint.us shares the same mail server setup as other domains, for instance le-noci.com, slimmoms.com, molina4.com, verusads.com and numberup.net.

buybacksprint.us shares at least some mail servers with other domains, including psiwareonline.com, stickerchic.net, baddoughnut.com and novoxperu.com.

Host names with three IPs:

mailstore1.secureserver.net points to 216.69.141.78, 216.69.141.114 and 216.69.141.162.

smtp.secureserver.net points to 216.69.141.71, 216.69.141.84 and 216.69.141.113.

buybacksprint.us - robtex.com