🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`filterstack.co`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:530c^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:a6c4^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.83.12^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.166.196^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`rafe.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ad8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rafe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rafe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rafe.ns.cloudflare.com`
		A	108.162.192.216^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.32.216^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.58.216^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`salvador.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c64^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`salvador.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c364^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`salvador.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2364^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`salvador.ns.cloudflare.com`
		A	108.162.195.100^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`salvador.ns.cloudflare.com`
		A	162.159.44.100^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`salvador.ns.cloudflare.com`
		A	172.64.35.100^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`salvador.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c06::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bg-in-f26.1e100.net`
		A	2607:f8b0:4004:c06::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bg-in-f27.1e100.net`
		A	2607:f8b0:4004:c09::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bh-in-f26.1e100.net`
		A	2607:f8b0:4004:c09::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bh-in-f27.1e100.net`
		A	64.233.180.26^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f26.1e100.net`
			PTR	`pe-in-f26.1e100.net`
		A	64.233.180.27^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f27.1e100.net`
			PTR	`pe-in-f27.1e100.net`
		A	142.251.16.27^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f27.1e100.net`
		A	142.251.179.26^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f26.1e100.net`
		A	142.251.179.27^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f27.1e100.net`
TXT	`google-site-verification=VrxPsRSFiipV5m6bBsaAq9lA1O4MLIogieykY-C12so`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.83.12, 172.67.166.196
		IPv6 hints	2606:4700:3031::6815:530c, 2606:4700:3036::ac43:a6c4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=170, name=cloudflare-ech.com
SOA	`rafe.ns.cloudflare.com`dns@cloudflare.com serial=2414888707

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co`
	NS	`b.registrydns.co`
	NS	`c.registrydns.co`
	NS	`d.registrydns.co`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759776868

Same first word

filterstack.co

filterstack.com

Similar names

firsttackle.co.uk

kraftletics.com

tacklefirst.com

trifectaksl.com

stackfilter.com

flickrstate.ph

stackfilter.co

flitetracks.com

tacklefirst.training

stackerlift.com

fartleksict.com

stateflickr.ph

kraftletics.de

Previous names

Next names

DNS History

10 records (7 active, 3 former)

○NSns1.dyna-ns.net2026-09-08 → 2026-09-08 · 3 obs

● 2026-09-08 01:00:36
○ 2026-09-18 06:20:14
○ 2026-10-09 07:35:32

○NSns2.dyna-ns.net2026-09-08 → 2026-09-08 · 3 obs

● 2026-09-08 01:00:36
○ 2026-09-18 06:20:14
○ 2026-10-09 07:35:32

●NSrafe.ns.cloudflare.com2026-09-18 → 2026-10-09 · 3 obs

○ 2026-09-08 01:00:36
● 2026-09-18 06:20:14
● 2026-10-09 07:35:32

●NSsalvador.ns.cloudflare.com2026-09-18 → 2026-10-09 · 3 obs

○ 2026-09-08 01:00:36
● 2026-09-18 06:20:14
● 2026-10-09 07:35:32

●MXsmtp.google.com2026-09-18 → 2026-10-09 · 2 obs

● 2026-09-18 06:20:14
● 2026-10-09 07:35:32

●A104.21.83.122026-09-18 → 2026-10-09 · 3 obs

○ 2026-09-08 01:00:36
● 2026-09-18 06:20:14
● 2026-10-09 07:35:32

●A172.67.166.1962026-09-18 → 2026-10-09 · 3 obs

○ 2026-09-08 01:00:36
● 2026-09-18 06:20:14
● 2026-10-09 07:35:32

○A185.53.179.1282026-09-08 → 2026-09-08 · 3 obs

● 2026-09-08 01:00:36
○ 2026-09-18 06:20:14
○ 2026-10-09 07:35:32

●A2606:4700:3031::6815:530c2026-09-18 → 2026-10-09 · 3 obs

○ 2026-09-08 01:00:36
● 2026-09-18 06:20:14
● 2026-10-09 07:35:32

●A2606:4700:3036::ac43:a6c42026-09-18 → 2026-10-09 · 3 obs

○ 2026-09-08 01:00:36
● 2026-09-18 06:20:14
● 2026-10-09 07:35:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co	-
filterstack.co	salvador.ns.cloudflare.com, rafe.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.216

NS records: salvador.ns.cloudflare.com, rafe.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for filterstack.co (unsigned zone)

⏱️ Timing

Total: 1279ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.83.12, 172.67.166.196`
AAAA	2	`2606:4700:3031::6815:530c, 2606:4700:3036::ac43:a6c4`
NS	2	`rafe.ns.cloudflare.com, salvador.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	2	`google-site-verification=VrxPsRSFiipV5m6, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`rafe.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

filterstack.co directs to four IP numbers, which are 104.21.83.12, 172.67.166.196, 2606:4700:3031::6815:530c and 2606:4700:3036::ac43:a6c4.

Two other host names, along with dentistflora.com, neon24market.xyz and kvtwj.cc, also share IP numbers with filterstack.co.

Name Servers

filterstack.co has two authoritative name servers — rafe.ns.cloudflare.com and salvador.ns.cloudflare.com.

filterstack.co shares its NS records with other domains, for example spendstudio.co, coachgrid.co, maxspark.co and two others.

There is at least partial name server overlap between filterstack.co and other domains — bonfireday.pages.dev, plaidintelligencelabs.com, neuragile.com and two more among them.

The name servers leo.ns.cloudflare.com, liz.ns.cloudflare.com and curt.ns.cloudflare.com are often found in combination with these name servers.

DNS names with 6 IP addresses:

rafe.ns.cloudflare.com points to 108.162.192.216, 172.64.32.216, 173.245.58.216 and 3 other IP addresses.

salvador.ns.cloudflare.com points to 108.162.195.100, 162.159.44.100, 172.64.35.100 and 3 other IP addresses.

Mail Servers

The sole mail server for filterstack.co is smtp.google.com.

Among the domains sharing a mail server setup with filterstack.co are rtpsteppas.org, qstudiosofficial.com, markupinc.com.br and two others.

Some mail servers of filterstack.co are also used by other domains, notably getkaboom.ai and savannahraephoto.com.

With 9 IP addresses total, smtp.google.com resolves to 64.233.180.26, 64.233.180.27, 142.251.16.27 and 6 others.

filterstack.co - robtex.com

filterstack.co

co

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`filterstack.co`

`co`