🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`sentrystack.io`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:4eba^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:a857^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.78.186^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.168.87^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`andronicus.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c71^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`andronicus.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c371^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`andronicus.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2371^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`andronicus.ns.cloudflare.com`
		A	108.162.195.113^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`andronicus.ns.cloudflare.com`
		A	162.159.44.113^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`andronicus.ns.cloudflare.com`
		A	172.64.35.113^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`andronicus.ns.cloudflare.com`
NS	`rihana.ns.cloudflare.com`
		A	2606:4700:50::adf5:3af4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rihana.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rihana.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rihana.ns.cloudflare.com`
		A	108.162.192.244^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rihana.ns.cloudflare.com`
		A	172.64.32.244^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rihana.ns.cloudflare.com`
		A	173.245.58.244^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rihana.ns.cloudflare.com`
MX	`mx1.spacemail.com` ⭐
		A	162.255.118.30^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`mx1.spacemail.com`
MX	`mx2.spacemail.com` ⭐
		A	162.255.118.31^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`mx2.spacemail.com`
TXT	`google-site-verification=_yaE91Gl3wc3-idqNF-o49tNSzzSCIcXhpDnRZ7Euww`
TXT	`v=spf1 include:spf.spacemail.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.78.186, 172.67.168.87
		IPv6 hints	2606:4700:3036::6815:4eba, 2606:4700:3037::ac43:a857
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=5, name=cloudflare-ech.com
SOA	`andronicus.ns.cloudflare.com`dns@cloudflare.com serial=2418593157

`io`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.nic.io` ⭐
	NS	`a2.nic.io`
	NS	`b0.nic.io`
	NS	`c0.nic.io`
	SOA	`a0.nic.io`hostmaster@donuts.email serial=1793241636

Same first word

sentrystack.net

sentrystack.workers.dev

sentrystack.com

sentrystack.ai

sentrystack.io

sentrystack.tech

sentrystack.xyz

Similar names

stacksentry.app

stacksentry.org

stacksentry.co

tracksysnet.com

stacksentry.xyz

stacksentry.com

stacksentry.io

stacksentry.tech

stacksentry.ai

stacksentry.dev

Previous names

Next names

sentrystaffing.io

sentrysurface.io

sentryteg.io

sentrytrade.io

sentryview.io

sentryward.io

sentrywatch.io

sentryweb.io

sentryx.io

sentryxx.io

sents.io

sentsig.io

senttinel.io

senttogether.io

senttr.io

sentum.io

sentup.io

sentur.io

sentura.io

senturai.io

DNS History

12 records (8 active, 4 former)

●NSandronicus.ns.cloudflare.com2026-08-26 → 2026-10-29 · 2 obs

● 2026-08-26 11:42:04
● 2026-10-29 03:25:10

●NSrihana.ns.cloudflare.com2026-08-26 → 2026-10-29 · 2 obs

● 2026-08-26 11:42:04
● 2026-10-29 03:25:10

●MXmx1.spacemail.com2026-08-26 → 2026-10-29 · 2 obs

● 2026-08-26 11:42:04
● 2026-10-29 03:25:10

●MXmx2.spacemail.com2026-08-26 → 2026-10-29 · 2 obs

● 2026-08-26 11:42:04
● 2026-10-29 03:25:10

●A104.21.78.1862026-08-26 → 2026-10-29 · 3 obs

○ 2026-08-26 11:42:04
● 2026-08-26 13:32:04
● 2026-10-29 03:25:10

●A172.67.168.872026-08-26 → 2026-10-29 · 3 obs

○ 2026-08-26 11:42:04
● 2026-08-26 13:32:04
● 2026-10-29 03:25:10

○A188.114.96.02026-08-26 → 2026-08-26 · 3 obs

● 2026-08-26 11:42:04
○ 2026-08-26 13:32:04
○ 2026-10-29 03:25:10

○A188.114.97.02026-08-26 → 2026-08-26 · 3 obs

● 2026-08-26 11:42:04
○ 2026-08-26 13:32:04
○ 2026-10-29 03:25:10

●A2606:4700:3036::6815:4eba2026-08-26 → 2026-10-29 · 3 obs

○ 2026-08-26 11:42:04
● 2026-08-26 13:32:04
● 2026-10-29 03:25:10

●A2606:4700:3037::ac43:a8572026-08-26 → 2026-10-29 · 3 obs

○ 2026-08-26 11:42:04
● 2026-08-26 13:32:04
● 2026-10-29 03:25:10

○A2a06:98c1:3120::2026-08-26 → 2026-08-26 · 3 obs

● 2026-08-26 11:42:04
○ 2026-08-26 13:32:04
○ 2026-10-29 03:25:10

○A2a06:98c1:3121::2026-08-26 → 2026-08-26 · 3 obs

● 2026-08-26 11:42:04
○ 2026-08-26 13:32:04
○ 2026-10-29 03:25:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	c0.nic.io, b0.nic.io, a0.nic.io, a2.nic.io	8 records
sentrystack.io	rihana.ns.cloudflare.com, andronicus.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.113

NS records: rihana.ns.cloudflare.com, andronicus.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sentrystack.io (unsigned zone)

⏱️ Timing

Total: 1148ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.168.87, 104.21.78.186`
AAAA	2	`2606:4700:3036::6815:4eba, 2606:4700:3037::ac43:a857`
NS	2	`andronicus.ns.cloudflare.com, rihana.ns.cloudflare.com`
MX	2	`mx1.spacemail.com (pri: 0), mx2.spacemail.com (pri: 0)`
TXT	2	`google-site-verification=_yaE91Gl3wc3-id, v=spf1 include:spf.spacemail.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`andronicus.ns.cloudflare.com dns.cloudfl`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a0.nic.io, a2.nic.io, b0.nic.io...)

Analysis

IP Addresses

sentrystack.io points to the four IP addresses 104.21.78.186, 172.67.168.87, 2606:4700:3036::6815:4eba and 2606:4700:3037::ac43:a857.

vikingluck.gr, prndig.com.cdn.cloudflare.net, xantus-nis.net and two other host names share IP numbers with sentrystack.io.

Name Servers

sentrystack.io is served by two delegated name servers, andronicus.ns.cloudflare.com and rihana.ns.cloudflare.com.

sentrystack.io uses the same name servers as several other domains — among them ioi-start-support.pages.dev, io-start-supporrt.pages.dev, io-start-supportt.pages.dev and two more.

The name servers of sentrystack.io overlap at least partially with those of other domains — among them kalwa.co.uk, bravesan.workers.dev, ahind-gramas-cruve.space and two more.

These name servers commonly co-occur with the name servers lina.ns.cloudflare.com, nelci.ns.cloudflare.com, treasure.ns.cloudflare.com and maria.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

andronicus.ns.cloudflare.com carries IP addresses 108.162.195.113, 162.159.44.113 and 172.64.35.113, with 3 other addresses beyond those.

rihana.ns.cloudflare.com carries IP addresses 108.162.192.244, 172.64.32.244 and 173.245.58.244, with 3 other addresses beyond those.

Mail Servers

Mail for sentrystack.io is handled by two mail servers — mx1.spacemail.com and mx2.spacemail.com.

sentrystack.io uses an identical mail server configuration to several other domains — among them delaneyadvisory.digital, kommineni.dev, blackbello.design and two more.

sentrystack.io has at least partial mail server overlap with other domains such as joyridestudio.design, lightupconsulting.eu, wellsight360.com and two more.

Both mx1.spacemail.com and mx2.spacemail.com have a single IP address each — mx1.spacemail.com resolves to 162.255.118.30 while mx2.spacemail.com resolves to 162.255.118.31.

sentrystack.io - robtex.com

sentrystack.io

io

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`sentrystack.io`

`io`