sendstack.io - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status

sendstack.io

DNSSEC⚠️ Not signed
A3.140.146.93🇺🇸 Amazon3.136.0.0/13 EC2 CMH prefix
PTRsendstack.io
NSns1.dyna-ns.net
A2400:cb00:2049:1::a29f:1a5c🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A2400:cb00:2049:1::a29f:1b9e🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.26.92Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.dyna-ns.net
A162.159.27.158Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.dyna-ns.net
NSns2.dyna-ns.net
A2400:cb00:2049:1::a29f:1805🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A2400:cb00:2049:1::a29f:1905🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.24.5Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.dyna-ns.net
A162.159.25.5Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.dyna-ns.net
MXwebhost.dynadot.com
A54.219.39.13🇺🇸 Amazon54.219.0.0/17 EC2 SFO prefix
PTRwebhost.dynadot.com
TXTv=spf1 ip4:3.140.146.93 include:webhost-mail-out.dynadot.com include:spf.webh...
SOAns1.dyna-ns.nethostmaster@sendstack.io 2026-04-15 #3

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1788324311

PTR for

Same first word

Similar names

Previous names

Next names

DNS History

5 records (4 active, 1 former)

NSns1.dyna-ns.netns2.dyna-ns.netMXwebhost.dynadot.comA3.140.146.933.148.114.93
NSns1.dyna-ns.net2026-08-23 → 2026-09-02 · 2 obs
● 2026-08-23 22:12:56
● 2026-09-02 05:02:38
NSns2.dyna-ns.net2026-08-23 → 2026-09-02 · 2 obs
● 2026-08-23 22:12:56
● 2026-09-02 05:02:38
MXwebhost.dynadot.com2026-08-23 → 2026-09-02 · 2 obs
● 2026-08-23 22:12:56
● 2026-09-02 05:02:38
A3.140.146.932026-08-23 → 2026-09-02 · 2 obs
● 2026-08-23 22:12:56
● 2026-09-02 05:02:38
A3.148.114.932026-08-23 → 2026-09-02 · 2 obs
○ 2026-08-23 22:12:56
○ 2026-09-02 05:02:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioc0.nic.io, a2.nic.io, a0.nic.io, b0.nic.io-
sendstack.ions2.dyna-ns.net, ns1.dyna-ns.net-

✅ Authoritative Response

Server:162.159.24.5

NS records: ns2.dyna-ns.net, ns1.dyna-ns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sendstack.io (unsigned zone)

⏱️ Timing

Total: 465ms | Queries: -

📄 Records

TypeCountSample Data
A13.140.146.93
NS2ns1.dyna-ns.net, ns2.dyna-ns.net
MX1webhost.dynadot.com (pri: 0)
TXT1v=spf1 ip4:3.140.146.93 include:webhost-
SOA1ns1.dyna-ns.net hostmaster.sendstack.io

Analysis

IP Addresses

sendstack.io has exactly one IP address — 3.140.146.93.

Other host names, such as ec2-3-140-146-93.us-east-2.compute.amazonaws.com, share IP numbers with sendstack.io.

Name Servers

sendstack.io is delegated to two name servers: ns1.dyna-ns.net and ns2.dyna-ns.net.

The name server configuration of sendstack.io is shared with other domains, for instance 179260.xyz, 1xbet-spw.xyz, hogspen.com and two others.

The hosts ns1.dyna-ns.net and ns2.dyna-ns.net each resolve to four IP numbers: ns1.dyna-ns.net directs to 162.159.26.92, 162.159.27.158, 2400:cb00:2049:1::a29f:1a5c and 2400:cb00:2049:1::a29f:1b9e, and ns2.dyna-ns.net directs to 162.159.24.5, 162.159.25.5, 2400:cb00:2049:1::a29f:1805 and 2400:cb00:2049:1::a29f:1905.

Mail Servers

sendstack.io uses one mail server — webhost.dynadot.com.

The mail server setup of sendstack.io matches that of other domains such as bighandevents.shop, kgolden.net, sochads.top and two others.

webhost.dynadot.com resolves to a single IP number: 54.219.39.13.