`sendback.app`

DNSSEC	⚠️ Not signed
A	2600:9000:201d:3800:1f:6292:f540:93a1^{🇺🇸 Amazon2600:9000:201d::/48 - CloudFront}
A	2600:9000:201d:4e00:1f:6292:f540:93a1^{🇺🇸 Amazon2600:9000:201d::/48 - CloudFront}
A	2600:9000:201d:8800:1f:6292:f540:93a1^{🇺🇸 Amazon2600:9000:201d::/48 - CloudFront}
A	2600:9000:201d:8c00:1f:6292:f540:93a1^{🇺🇸 Amazon2600:9000:201d::/48 - CloudFront}
A	2600:9000:201d:8e00:1f:6292:f540:93a1^{🇺🇸 Amazon2600:9000:201d::/48 - CloudFront}
A	2600:9000:201d:9800:1f:6292:f540:93a1^{🇺🇸 Amazon2600:9000:201d::/48 - CloudFront}
A	2600:9000:201d:c800:1f:6292:f540:93a1^{🇺🇸 Amazon2600:9000:201d::/48 - CloudFront}
A	2600:9000:201d:e600:1f:6292:f540:93a1^{🇺🇸 Amazon2600:9000:201d::/48 - CloudFront}
A	13.226.209.13^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
A	13.226.209.61^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
A	13.226.209.65^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
A	13.226.209.72^{🇺🇸 Amazon13.226.209.0/24 - Cloudfront}
NS	`ns-cloud-a1.googledomains.com` ⭐
		A	2001:4860:4802:32::6a^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-a1.googledomains.com`
		A	216.239.32.106^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-a1.googledomains.com`
NS	`ns-cloud-a2.googledomains.com`
		A	2001:4860:4802:34::6a^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-a2.googledomains.com`
		A	216.239.34.106^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns-cloud-a2.googledomains.com`
NS	`ns-cloud-a3.googledomains.com`
		A	2001:4860:4802:36::6a^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-a3.googledomains.com`
		A	216.239.36.106^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-a3.googledomains.com`
NS	`ns-cloud-a4.googledomains.com`
		A	2001:4860:4802:38::6a^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-a4.googledomains.com`
		A	216.239.38.106^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-a4.googledomains.com`
TXT	`google-site-verification=dVk0u8-drXSy7UOcdwpIWBHjjBeyjUWw4V4ZN9FspTA`
SOA	`ns-cloud-a1.googledomains.com`cloud-dns-hostmaster@google.com serial=3

`app`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=101427

🔒 HSTS Preload (+subdomains)

Same first word

sendback.app

sendback.io

sendback.com

sendback.org

Similar names

backsend.com

backends.de

backends.org

becksand.com

nackbeds.com

backends.com

bskdance.com

backends.net

backends.xyz

DNS History

48 records (16 active, 32 former)

●NSns-cloud-a1.googledomains.com2026-02-26 → 2026-02-28 · 2 obs

● 2026-02-26 07:42:10
● 2026-02-28 13:13:38

●NSns-cloud-a2.googledomains.com2026-02-26 → 2026-02-28 · 2 obs

● 2026-02-26 07:42:10
● 2026-02-28 13:13:38

●NSns-cloud-a3.googledomains.com2026-02-26 → 2026-02-28 · 2 obs

● 2026-02-26 07:42:10
● 2026-02-28 13:13:38

●NSns-cloud-a4.googledomains.com2026-02-26 → 2026-02-28 · 2 obs

● 2026-02-26 07:42:10
● 2026-02-28 13:13:38

●A13.226.209.132026-02-26 → 2026-02-28 · 4 obs

● 2026-02-26 07:42:10
● 2026-02-28 00:05:50
○ 2026-02-28 03:43:48
● 2026-02-28 13:13:38

●A13.226.209.612026-02-26 → 2026-02-28 · 4 obs

● 2026-02-26 07:42:10
● 2026-02-28 00:05:50
○ 2026-02-28 03:43:48
● 2026-02-28 13:13:38

●A13.226.209.652026-02-26 → 2026-02-28 · 4 obs

● 2026-02-26 07:42:10
● 2026-02-28 00:05:50
○ 2026-02-28 03:43:48
● 2026-02-28 13:13:38

●A13.226.209.722026-02-26 → 2026-02-28 · 4 obs

● 2026-02-26 07:42:10
● 2026-02-28 00:05:50
○ 2026-02-28 03:43:48
● 2026-02-28 13:13:38

○A13.33.153.1092026-02-28 → 2026-02-28 · 3 obs

○ 2026-02-28 00:05:50
● 2026-02-28 03:43:48
○ 2026-02-28 13:13:38

○A13.33.153.1162026-02-28 → 2026-02-28 · 3 obs

○ 2026-02-28 00:05:50
● 2026-02-28 03:43:48
○ 2026-02-28 13:13:38

○A13.33.153.662026-02-28 → 2026-02-28 · 3 obs

○ 2026-02-28 00:05:50
● 2026-02-28 03:43:48
○ 2026-02-28 13:13:38

○A13.33.153.92026-02-28 → 2026-02-28 · 3 obs

○ 2026-02-28 00:05:50
● 2026-02-28 03:43:48
○ 2026-02-28 13:13:38

○A2600:9000:201d:0:1f:6292:f540:93a12026-02-28 → 2026-02-28 · 4 obs

○ 2026-02-27 14:02:10
● 2026-02-28 00:05:50
○ 2026-02-28 03:43:48
○ 2026-02-28 13:13:38

○A2600:9000:201d:1e00:1f:6292:f540:93a12026-02-26 → 2026-02-27 · 4 obs

● 2026-02-26 07:42:10
● 2026-02-27 14:02:10
○ 2026-02-28 00:05:50
○ 2026-02-28 13:13:38

○A2600:9000:201d:2400:1f:6292:f540:93a12026-02-28 → 2026-02-28 · 4 obs

○ 2026-02-27 14:02:10
● 2026-02-28 00:05:50
○ 2026-02-28 03:43:48
○ 2026-02-28 13:13:38

○A2600:9000:201d:3200:1f:6292:f540:93a12026-02-28 → 2026-02-28 · 4 obs

○ 2026-02-27 14:02:10
● 2026-02-28 00:05:50
○ 2026-02-28 03:43:48
○ 2026-02-28 13:13:38

●A2600:9000:201d:3800:1f:6292:f540:93a12026-02-28 → 2026-02-28 · 2 obs

○ 2026-02-28 03:43:48
● 2026-02-28 13:13:38

○A2600:9000:201d:3c00:1f:6292:f540:93a12026-02-26 → 2026-02-26 · 3 obs

● 2026-02-26 07:42:10
○ 2026-02-27 14:02:10
○ 2026-02-28 13:13:38

○A2600:9000:201d:4000:1f:6292:f540:93a12026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-26 07:42:10
● 2026-02-27 14:02:10
○ 2026-02-28 00:05:50
○ 2026-02-28 13:13:38

○A2600:9000:201d:4400:1f:6292:f540:93a12026-02-26 → 2026-02-26 · 3 obs

● 2026-02-26 07:42:10
○ 2026-02-27 14:02:10
○ 2026-02-28 13:13:38

●A2600:9000:201d:4e00:1f:6292:f540:93a12026-02-28 → 2026-02-28 · 2 obs

○ 2026-02-28 03:43:48
● 2026-02-28 13:13:38

○A2600:9000:201d:5000:1f:6292:f540:93a12026-02-27 → 2026-02-28 · 5 obs

○ 2026-02-26 07:42:10
● 2026-02-27 14:02:10
● 2026-02-28 00:05:50
○ 2026-02-28 03:43:48
○ 2026-02-28 13:13:38

○A2600:9000:201d:6400:1f:6292:f540:93a12026-02-28 → 2026-02-28 · 4 obs

○ 2026-02-27 14:02:10
● 2026-02-28 00:05:50
○ 2026-02-28 03:43:48
○ 2026-02-28 13:13:38

○A2600:9000:201d:6c00:1f:6292:f540:93a12026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-26 07:42:10
● 2026-02-27 14:02:10
○ 2026-02-28 00:05:50
○ 2026-02-28 13:13:38

○A2600:9000:201d:7e00:1f:6292:f540:93a12026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-26 07:42:10
● 2026-02-27 14:02:10
○ 2026-02-28 00:05:50
○ 2026-02-28 13:13:38

○A2600:9000:201d:8200:1f:6292:f540:93a12026-02-26 → 2026-02-26 · 3 obs

● 2026-02-26 07:42:10
○ 2026-02-27 14:02:10
○ 2026-02-28 13:13:38

○A2600:9000:201d:8600:1f:6292:f540:93a12026-02-28 → 2026-02-28 · 4 obs

○ 2026-02-27 14:02:10
● 2026-02-28 00:05:50
○ 2026-02-28 03:43:48
○ 2026-02-28 13:13:38

●A2600:9000:201d:8800:1f:6292:f540:93a12026-02-28 → 2026-02-28 · 2 obs

○ 2026-02-28 03:43:48
● 2026-02-28 13:13:38

○A2600:9000:201d:8a00:1f:6292:f540:93a12026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-26 07:42:10
● 2026-02-27 14:02:10
○ 2026-02-28 00:05:50
○ 2026-02-28 13:13:38

●A2600:9000:201d:8c00:1f:6292:f540:93a12026-02-28 → 2026-02-28 · 2 obs

○ 2026-02-28 03:43:48
● 2026-02-28 13:13:38

●A2600:9000:201d:8e00:1f:6292:f540:93a12026-02-26 → 2026-02-28 · 4 obs

● 2026-02-26 07:42:10
○ 2026-02-27 14:02:10
○ 2026-02-28 03:43:48
● 2026-02-28 13:13:38

●A2600:9000:201d:9800:1f:6292:f540:93a12026-02-28 → 2026-02-28 · 2 obs

○ 2026-02-28 03:43:48
● 2026-02-28 13:13:38

○A2600:9000:201d:b400:1f:6292:f540:93a12026-02-26 → 2026-02-28 · 5 obs

● 2026-02-26 07:42:10
○ 2026-02-27 14:02:10
● 2026-02-28 00:05:50
○ 2026-02-28 03:43:48
○ 2026-02-28 13:13:38

●A2600:9000:201d:c800:1f:6292:f540:93a12026-02-28 → 2026-02-28 · 2 obs

○ 2026-02-28 03:43:48
● 2026-02-28 13:13:38

○A2600:9000:201d:d600:1f:6292:f540:93a12026-02-28 → 2026-02-28 · 4 obs

○ 2026-02-27 14:02:10
● 2026-02-28 00:05:50
○ 2026-02-28 03:43:48
○ 2026-02-28 13:13:38

○A2600:9000:201d:e000:1f:6292:f540:93a12026-02-26 → 2026-02-26 · 3 obs

● 2026-02-26 07:42:10
○ 2026-02-27 14:02:10
○ 2026-02-28 13:13:38

○A2600:9000:201d:e200:1f:6292:f540:93a12026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-26 07:42:10
● 2026-02-27 14:02:10
○ 2026-02-28 00:05:50
○ 2026-02-28 13:13:38

●A2600:9000:201d:e600:1f:6292:f540:93a12026-02-28 → 2026-02-28 · 2 obs

○ 2026-02-28 03:43:48
● 2026-02-28 13:13:38

○A2600:9000:201d:f600:1f:6292:f540:93a12026-02-26 → 2026-02-26 · 3 obs

● 2026-02-26 07:42:10
○ 2026-02-27 14:02:10
○ 2026-02-28 13:13:38

○A2600:9000:201d:fe00:1f:6292:f540:93a12026-02-27 → 2026-02-27 · 4 obs

○ 2026-02-26 07:42:10
● 2026-02-27 14:02:10
○ 2026-02-28 00:05:50
○ 2026-02-28 13:13:38

○A2600:9000:2021:4a00:1f:6292:f540:93a12026-02-28 → 2026-02-28 · 3 obs

○ 2026-02-28 00:05:50
● 2026-02-28 03:43:48
○ 2026-02-28 13:13:38

○A2600:9000:2021:4c00:1f:6292:f540:93a12026-02-28 → 2026-02-28 · 3 obs

○ 2026-02-28 00:05:50
● 2026-02-28 03:43:48
○ 2026-02-28 13:13:38

○A2600:9000:2021:5e00:1f:6292:f540:93a12026-02-28 → 2026-02-28 · 3 obs

○ 2026-02-28 00:05:50
● 2026-02-28 03:43:48
○ 2026-02-28 13:13:38

○A2600:9000:2021:6c00:1f:6292:f540:93a12026-02-28 → 2026-02-28 · 3 obs

○ 2026-02-28 00:05:50
● 2026-02-28 03:43:48
○ 2026-02-28 13:13:38

○A2600:9000:2021:7000:1f:6292:f540:93a12026-02-28 → 2026-02-28 · 3 obs

○ 2026-02-28 00:05:50
● 2026-02-28 03:43:48
○ 2026-02-28 13:13:38

○A2600:9000:2021:8800:1f:6292:f540:93a12026-02-28 → 2026-02-28 · 3 obs

○ 2026-02-28 00:05:50
● 2026-02-28 03:43:48
○ 2026-02-28 13:13:38

○A2600:9000:2021:9800:1f:6292:f540:93a12026-02-28 → 2026-02-28 · 3 obs

○ 2026-02-28 00:05:50
● 2026-02-28 03:43:48
○ 2026-02-28 13:13:38

○A2600:9000:2021:c000:1f:6292:f540:93a12026-02-28 → 2026-02-28 · 3 obs

○ 2026-02-28 00:05:50
● 2026-02-28 03:43:48
○ 2026-02-28 13:13:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com...	10 records
sendback.app	ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a4.googledomains.com, ns-cloud-a3.googledomains.com	-

✅ Authoritative Response

Server: 216.239.34.106

NS records: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a4.googledomains.com, ns-cloud-a3.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sendback.app (unsigned zone)

⏱️ Timing

Total: 647ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.226.209.13, 13.226.209.72...`
AAAA	8	`2600:9000:201d:f400:1f:6292:f540:93a1, 2600:9000:201d:6800:1f:6292:f540:93a1...`
NS	4	`ns-cloud-a4.googledomains.com, ns-cloud-a1.googledomains.com...`
TXT	1	`google-site-verification=dVk0u8-drXSy7UO`
SOA	1	`ns-cloud-a1.googledomains.com cloud-dns-`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

Twelve IP numbers are pointed to by sendback.app: 2600:9000:201d:3800:1f:6292:f540:93a1, 2600:9000:201d:4e00:1f:6292:f540:93a1, 2600:9000:201d:8800:1f:6292:f540:93a1, 2600:9000:201d:8c00:1f:6292:f540:93a1, 2600:9000:201d:8e00:1f:6292:f540:93a1, 2600:9000:201d:9800:1f:6292:f540:93a1, 2600:9000:201d:c800:1f:6292:f540:93a1, 2600:9000:201d:e600:1f:6292:f540:93a1, 13.226.209.13, 13.226.209.61, 13.226.209.65 and 13.226.209.72.

Other host names, for instance d20478dmnhz02k.cloudfront.net, d3onvqlhxm82yq.cloudfront.net, caseybisson.com, d3cwua8yrab0vv.cloudfront.net and kinfoz.com share IP numbers with sendback.app.

Name Servers

sendback.app is delegated to four name servers: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com and ns-cloud-a4.googledomains.com.

sendback.app at least partially shares name servers with other domains, for instance webpd.ca, brickstar.com, orxo.org, johnabartlett.com and espritguidance.com.

Host names with two IP numbers:

ns-cloud-a1.googledomains.com points to: 2001:4860:4802:32::6a and 216.239.32.106.

ns-cloud-a2.googledomains.com points to: 2001:4860:4802:34::6a and 216.239.34.106.

ns-cloud-a3.googledomains.com points to: 2001:4860:4802:36::6a and 216.239.36.106.

ns-cloud-a4.googledomains.com points to: 2001:4860:4802:38::6a and 216.239.38.106.

sendback.app - robtex.com

sendback.app

app

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`sendback.app`

`app`