usepostback.com - dns.ninja

`usepostback.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:b199^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:2b5f^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.43.95^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.177.153^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bill.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b4a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bill.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c14a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bill.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:214a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bill.ns.cloudflare.com`
		A	108.162.193.74^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bill.ns.cloudflare.com`
		A	172.64.33.74^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bill.ns.cloudflare.com`
		A	173.245.59.74^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bill.ns.cloudflare.com`
NS	`demi.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a5f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c05f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`demi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:205f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`demi.ns.cloudflare.com`
		A	108.162.192.95^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
		A	172.64.32.95^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
		A	173.245.58.95^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.43.95, 172.67.177.153
		IPv6 hints	2606:4700:3030::ac43:b199, 2606:4700:3033::6815:2b5f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=87, name=cloudflare-ech.com
SOA	`bill.ns.cloudflare.com`dns@cloudflare.com serial=2406710240

`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=1782430065

⚠️ On DNS blocklist: tif

Subdomains

www.usepostback.com

Same first word

usepostback.com

DNS History

7 records (6 active, 1 former)

●NSbill.ns.cloudflare.com2026-04-01 → 2026-06-25 · 2 obs

● 2026-04-01 17:27:18
● 2026-06-25 23:35:32

●NSdemi.ns.cloudflare.com2026-04-01 → 2026-06-25 · 2 obs

● 2026-04-01 17:27:18
● 2026-06-25 23:35:32

●A104.21.43.952026-04-01 → 2026-06-25 · 2 obs

● 2026-04-01 17:27:18
● 2026-06-25 23:35:32

●A172.67.177.1532026-04-01 → 2026-06-25 · 2 obs

● 2026-04-01 17:27:18
● 2026-06-25 23:35:32

●A2606:4700:3030::ac43:b1992026-06-25 → 2026-06-25 · 3 obs

○ 2026-06-09 01:02:46
● 2026-06-25 23:35:30
● 2026-06-25 23:35:32

●A2606:4700:3033::6815:2b5f2026-04-01 → 2026-06-25 · 2 obs

● 2026-04-01 17:27:18
● 2026-06-25 23:35:32

○A2606:4700:3037::ac43:b1992026-04-01 → 2026-06-09 · 4 obs

● 2026-04-01 17:27:18
● 2026-06-09 01:02:46
○ 2026-06-25 23:35:30
○ 2026-06-25 23:35:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
usepostback.com	demi.ns.cloudflare.com, bill.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.95

NS records: demi.ns.cloudflare.com, bill.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for usepostback.com (unsigned zone)

⏱️ Timing

Total: 258ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.177.153, 104.21.43.95`
AAAA	2	`2606:4700:3030::ac43:b199, 2606:4700:3033::6815:2b5f`
NS	2	`bill.ns.cloudflare.com, demi.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bill.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

www.usepostback.com is delegated beneath usepostback.com.

IP Addresses

usepostback.com directs to four IP numbers, which are 104.21.43.95, 172.67.177.153, 2606:4700:3030::ac43:b199 and 2606:4700:3033::6815:2b5f.

Among the host names that share IP numbers with usepostback.com are brunopsicologo.com.br, tcteamcorp.com, bedssi.com and two others.

Name Servers

Two name servers handle the delegation for usepostback.com: bill.ns.cloudflare.com and demi.ns.cloudflare.com.

usepostback.com has the same name server delegation as a number of other domains, such as wdyiot.com, gisotto.com, acculia.com and two more.

There is at least partial name server overlap between usepostback.com and other domains — hindilinks4u.tattoo, sapusmedia.com, police5.go.th and two more among them.

These name servers are routinely deployed together with the name servers gracie.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

bill.ns.cloudflare.com resolves to 108.162.193.74, 172.64.33.74 and 173.245.59.74 among others, with 3 other IP addresses in total.

demi.ns.cloudflare.com resolves to 108.162.192.95, 172.64.32.95 and 173.245.58.95 among others, with 3 other IP addresses in total.