sendstackr.com - dns.ninja

`sendstackr.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:d9f3^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:35c1^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.53.193^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.217.243^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chad.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b52^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chad.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c152^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chad.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2152^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chad.ns.cloudflare.com`
		A	108.162.193.82^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.33.82^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.59.82^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`isla.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a77^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c077^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`isla.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2077^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`isla.ns.cloudflare.com`
		A	108.162.192.119^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
		A	172.64.32.119^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
		A	173.245.58.119^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`isla.ns.cloudflare.com`
MX	`mail.sendstackr.com` ⭐
		A	76.13.21.36^{🇺🇸 IIHOS00176.13.16.0/21 Hostinger ID}
			PTR	`mail.sendstackr.com`
TXT	`google-site-verification=UTwlidLzWe54FiAL5rXLKZnpabY1DjMNeQAEizw3vSA`
TXT	`v=spf1 include:sendgrid.net a:mail.sendstackr.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.53.193, 172.67.217.243
		IPv6 hints	2606:4700:3032::ac43:d9f3, 2606:4700:3037::6815:35c1
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=134, name=cloudflare-ech.com
SOA	`chad.ns.cloudflare.com`dns@cloudflare.com serial=2408713843

`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=1784754077

Subdomains

mail.sendstackr.com

Same first word

sendstackr.com

Similar names

sendtracks.com

DNS History

9 records (7 active, 2 former)

●NSchad.ns.cloudflare.com2026-03-30 → 2026-07-22 · 2 obs

● 2026-03-30 09:03:42
● 2026-07-22 21:13:24

●NSisla.ns.cloudflare.com2026-03-30 → 2026-07-22 · 2 obs

● 2026-03-30 09:03:42
● 2026-07-22 21:13:24

●MXmail.sendstackr.com2026-03-30 → 2026-07-22 · 2 obs

● 2026-03-30 09:03:42
● 2026-07-22 21:13:24

●A104.21.53.1932026-03-30 → 2026-07-22 · 2 obs

● 2026-03-30 09:03:42
● 2026-07-22 21:13:24

●A172.67.217.2432026-03-30 → 2026-07-22 · 2 obs

● 2026-03-30 09:03:42
● 2026-07-22 21:13:24

●A2606:4700:3032::ac43:d9f32026-07-09 → 2026-07-22 · 3 obs

○ 2026-05-09 08:40:06
● 2026-07-09 18:26:16
● 2026-07-22 21:13:24

○A2606:4700:3034::6815:35c12026-03-30 → 2026-05-09 · 4 obs

● 2026-03-30 09:03:42
● 2026-05-09 08:40:06
○ 2026-07-09 18:26:16
○ 2026-07-22 21:13:24

●A2606:4700:3037::6815:35c12026-07-09 → 2026-07-22 · 3 obs

○ 2026-05-09 08:40:06
● 2026-07-09 18:26:16
● 2026-07-22 21:13:24

○A2606:4700:3037::ac43:d9f32026-03-30 → 2026-05-09 · 4 obs

● 2026-03-30 09:03:42
● 2026-05-09 08:40:06
○ 2026-07-09 18:26:16
○ 2026-07-22 21:13:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sendstackr.com	isla.ns.cloudflare.com, chad.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.119

NS records: isla.ns.cloudflare.com, chad.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sendstackr.com (unsigned zone)

⏱️ Timing

Total: 351ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.53.193, 172.67.217.243`
AAAA	2	`2606:4700:3037::6815:35c1, 2606:4700:3032::ac43:d9f3`
NS	2	`chad.ns.cloudflare.com, isla.ns.cloudflare.com`
MX	1	`mail.sendstackr.com (pri: 10)`
TXT	2	`google-site-verification=UTwlidLzWe54FiA, v=spf1 include:sendgrid.net a:mail.sends`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chad.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

mail.sendstackr.com is a subdomain of sendstackr.com.

IP Addresses

sendstackr.com directs to four IP numbers, which are 104.21.53.193, 172.67.217.243, 2606:4700:3032::ac43:d9f3 and 2606:4700:3037::6815:35c1.

Among the host names that share IP numbers with sendstackr.com are www.4houses.com, amkisnacks.pl, food.bz and two others.

Name Servers

DNS delegation for sendstackr.com points to two name servers: chad.ns.cloudflare.com and isla.ns.cloudflare.com.

sendstackr.com has the same name server delegation as a number of other domains, such as boar(0x706f726e).com, nationalcasino-login.org, onlyzoo.fans and two more.

The name servers of sendstackr.com overlap at least partially with those of other domains — among them tenantledger.com, follisaluzhjka.top, patdorf.com and two more.

The name servers nina.ns.cloudflare.com, monroe.ns.cloudflare.com and lara.ns.cloudflare.com are commonly seen alongside these name servers.

Host names resolving to 6 IP numbers:

chad.ns.cloudflare.com has IP addresses 108.162.193.82, 172.64.33.82 and 173.245.59.82, plus 3 other.

isla.ns.cloudflare.com has IP addresses 108.162.192.119, 172.64.32.119 and 173.245.58.119, plus 3 other.

Mail Servers

sendstackr.com routes its mail through a single mail server, mail.sendstackr.com.

mail.sendstackr.com has exactly one IP number: 76.13.21.36.