`ntbackup.us`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:4af6^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:cff3^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.74.246^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.207.243^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`amber.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a40^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c040^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amber.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2040^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amber.ns.cloudflare.com`
		A	108.162.192.64^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
		A	172.64.32.64^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
		A	173.245.58.64^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
NS	`hugh.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b75^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c175^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hugh.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2175^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hugh.ns.cloudflare.com`
		A	108.162.193.117^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
		A	172.64.33.117^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
		A	173.245.59.117^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hugh.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.74.246, 172.67.207.243
		IPv6	2606:4700:3035::6815:4af6, 2606:4700:3037::ac43:cff3
SOA	`amber.ns.cloudflare.com`dns@cloudflare.com serial=2398345826

`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=1774500055

Subdomains

www.ntbackup.us

Same first word

ntbackup.com

ntbackup.us

Similar names

buntpack.at

DNS History

18 records (6 active, 12 former)

●NSamber.ns.cloudflare.com2026-03-25 → 2026-03-26 · 3 obs

○ 2016-07-22 12:38:34
● 2026-03-25 20:39:18
● 2026-03-26 05:11:22

○NSf1g1ns1.dnspod.net2015-12-22 → 2016-07-22 · 5 obs

○ 2015-05-26 06:55:08
● 2015-12-22 17:35:14
● 2016-07-22 12:38:34
○ 2026-03-25 20:39:18
○ 2026-03-26 05:11:22

○NSf1g1ns2.dnspod.net2015-12-22 → 2016-07-22 · 5 obs

○ 2015-05-26 06:55:08
● 2015-12-22 17:35:14
● 2016-07-22 12:38:34
○ 2026-03-25 20:39:18
○ 2026-03-26 05:11:22

●NShugh.ns.cloudflare.com2026-03-25 → 2026-03-26 · 3 obs

○ 2016-07-22 12:38:34
● 2026-03-25 20:39:18
● 2026-03-26 05:11:22

○NSns1.namecity.com2015-05-26 → 2015-05-26 · 3 obs

● 2015-05-26 06:55:08
○ 2015-12-22 17:35:14
○ 2026-03-26 05:11:22

○NSns2.namecity.com2015-05-26 → 2015-05-26 · 3 obs

● 2015-05-26 06:55:08
○ 2015-12-22 17:35:14
○ 2026-03-26 05:11:22

○MXmta1.iomartmail.com2015-05-26 → 2015-05-26 · 3 obs

● 2015-05-26 06:55:08
○ 2015-12-22 17:35:14
○ 2026-03-26 05:11:22

○MXmta2.iomartmail.com2015-05-26 → 2015-05-26 · 3 obs

● 2015-05-26 06:55:08
○ 2015-12-22 17:35:14
○ 2026-03-26 05:11:22

○MXmta3.iomartmail.com2015-05-26 → 2015-05-26 · 3 obs

● 2015-05-26 06:55:08
○ 2015-12-22 17:35:14
○ 2026-03-26 05:11:22

○MXmta4.iomartmail.com2015-05-26 → 2015-05-26 · 3 obs

● 2015-05-26 06:55:08
○ 2015-12-22 17:35:14
○ 2026-03-26 05:11:22

○MXsmtp-in.iomartmail.com2015-05-26 → 2015-05-26 · 3 obs

● 2015-05-26 06:55:08
○ 2015-12-22 17:35:14
○ 2026-03-26 05:11:22

●A104.21.74.2462026-03-25 → 2026-03-26 · 3 obs

○ 2016-07-22 12:38:34
● 2026-03-25 20:39:18
● 2026-03-26 05:11:22

○A167.160.13.392016-07-22 → 2016-07-22 · 4 obs

○ 2016-03-26 00:43:48
● 2016-07-22 12:38:34
○ 2026-03-25 20:39:18
○ 2026-03-26 05:11:22

●A172.67.207.2432026-03-25 → 2026-03-26 · 3 obs

○ 2016-07-22 12:38:34
● 2026-03-25 20:39:18
● 2026-03-26 05:11:22

○A23.252.79.352015-12-22 → 2016-03-26 · 5 obs

○ 2015-05-26 06:55:08
● 2015-12-22 17:35:14
● 2016-03-26 00:43:48
○ 2016-07-22 12:38:34
○ 2026-03-26 05:11:22

●A2606:4700:3035::6815:4af62026-03-25 → 2026-03-26 · 3 obs

○ 2016-07-22 12:38:34
● 2026-03-25 20:39:18
● 2026-03-26 05:11:22

●A2606:4700:3037::ac43:cff32026-03-25 → 2026-03-26 · 3 obs

○ 2016-07-22 12:38:34
● 2026-03-25 20:39:18
● 2026-03-26 05:11:22

○A62.233.121.752015-05-26 → 2015-05-26 · 3 obs

● 2015-05-26 06:55:08
○ 2015-12-22 17:35:14
○ 2026-03-26 05:11:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...	-
ntbackup.us	amber.ns.cloudflare.com, hugh.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.64

NS records: amber.ns.cloudflare.com, hugh.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ntbackup.us (unsigned zone)

⏱️ Timing

Total: 259ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.74.246, 172.67.207.243`
AAAA	2	`2606:4700:3035::6815:4af6, 2606:4700:3037::ac43:cff3`
NS	2	`amber.ns.cloudflare.com, hugh.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`amber.ns.cloudflare.com dns.cloudflare.c`

Analysis

Hierarchy

www.ntbackup.us is a child of ntbackup.us.

IP Addresses

ntbackup.us refers to four IP numbers: 2606:4700:3035::6815:4af6, 2606:4700:3037::ac43:cff3, 104.21.74.246 and 172.67.207.243.

Other host names, for instance mail.atspl.net, justinianpllc.com, xn--mllmail-n2a.com, font-converter.net and connectgroupmc.com share IP numbers with ntbackup.us.

Name Servers

ntbackup.us's delegation uses two name servers: amber.ns.cloudflare.com and hugh.ns.cloudflare.com.

ntbackup.us uses the same name server setup as other domains, such as tangballs99.com, bierenbacher-hof.de, valandmatt.com, dirtyindian.net and 1rwvvy66.workers.dev.

ntbackup.us at least partially shares name servers with other domains, including lucien.mobi, apidemia.dk, tjtthb.com, kristapsporzingisjerseys.us and olympic-casino.biz.

These name servers are often used with chan.ns.cloudflare.com and aiden.ns.cloudflare.com.

Host names with six IP numbers:

amber.ns.cloudflare.com points to 2606:4700:50::adf5:3a40, 2803:f800:50::6ca2:c040, 2a06:98c1:50::ac40:2040, 108.162.192.64, 172.64.32.64 and 173.245.58.64.

hugh.ns.cloudflare.com points to 2606:4700:58::adf5:3b75, 2803:f800:50::6ca2:c175, 2a06:98c1:50::ac40:2175, 108.162.193.117, 172.64.33.117 and 173.245.59.117.

ntbackup.us - robtex.com

ntbackup.us

us

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

`ntbackup.us`

`us`