🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`contentstack.tools`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:a4d7^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:af8^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.10.248^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.164.215^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`faye.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26b4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`faye.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2b4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`faye.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22b4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`faye.ns.cloudflare.com`
		A	108.162.194.180^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`faye.ns.cloudflare.com`
		A	162.159.38.180^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`faye.ns.cloudflare.com`
		A	172.64.34.180^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`faye.ns.cloudflare.com`
NS	`kareem.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c16^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kareem.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c316^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kareem.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2316^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kareem.ns.cloudflare.com`
		A	108.162.195.22^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kareem.ns.cloudflare.com`
		A	162.159.44.22^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kareem.ns.cloudflare.com`
		A	172.64.35.22^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kareem.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1f::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f26.1e100.net`
		A	172.253.122.26^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
MX	`mxa.mailgun.org`⁽¹⁰⁾
		A	34.36.182.139^{🇺🇸 Google34.32.0.0/11}
			PTR	`139.182.36.34.bc.googleusercontent.com`
MX	`mxb.mailgun.org`⁽¹⁰⁾
		A	34.149.254.5^{🇺🇸 Google34.148.0.0/14}
			PTR	`5.254.149.34.bc.googleusercontent.com`
TXT	`google-site-verification=q25GROTnGUyiZFUhm2s9r23hi2LLhbpJIYq_ZadTqlM`
TXT	`v=spf1 +mx +a +ip4:85.239.55.169 ~all`
TXT	`v=spf1 include:mailgun.org ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.10.248, 172.67.164.215
		IPv6 hints	2606:4700:3032::ac43:a4d7, 2606:4700:3035::6815:af8
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=131, name=cloudflare-ech.com
SOA	`faye.ns.cloudflare.com`dns@cloudflare.com serial=2412261232

`tools`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.tools` ⭐
	NS	`v0n1.nic.tools`
	NS	`v0n2.nic.tools`
	NS	`v0n3.nic.tools`
	NS	`v2n0.nic.tools`
	NS	`v2n1.nic.tools`
	SOA	`v0n0.nic.tools`hostmaster@donuts.email serial=1788489641

Same first word

Similar names

stackcontent.com

Previous names

Next names

DNS History

17 records (13 active, 4 former)

●NSfaye.ns.cloudflare.com2026-08-29 → 2026-09-04 · 2 obs

● 2026-08-29 07:17:04
● 2026-09-04 03:14:10

●NSkareem.ns.cloudflare.com2026-08-29 → 2026-09-04 · 2 obs

● 2026-08-29 07:17:04
● 2026-09-04 03:14:10

●MXalt1.aspmx.l.google.com2026-08-29 → 2026-09-04 · 2 obs

● 2026-08-29 07:17:04
● 2026-09-04 03:14:10

●MXalt2.aspmx.l.google.com2026-08-29 → 2026-09-04 · 2 obs

● 2026-08-29 07:17:04
● 2026-09-04 03:14:10

●MXalt3.aspmx.l.google.com2026-08-29 → 2026-09-04 · 2 obs

● 2026-08-29 07:17:04
● 2026-09-04 03:14:10

●MXalt4.aspmx.l.google.com2026-08-29 → 2026-09-04 · 2 obs

● 2026-08-29 07:17:04
● 2026-09-04 03:14:10

●MXaspmx.l.google.com2026-08-29 → 2026-09-04 · 2 obs

● 2026-08-29 07:17:04
● 2026-09-04 03:14:10

●MXmxa.mailgun.org2026-08-29 → 2026-09-04 · 2 obs

● 2026-08-29 07:17:04
● 2026-09-04 03:14:10

●MXmxb.mailgun.org2026-08-29 → 2026-09-04 · 2 obs

● 2026-08-29 07:17:04
● 2026-09-04 03:14:10

●A104.21.10.2482026-08-31 → 2026-09-04 · 3 obs

○ 2026-08-29 07:17:04
● 2026-08-31 15:39:54
● 2026-09-04 03:14:10

●A172.67.164.2152026-08-31 → 2026-09-04 · 3 obs

○ 2026-08-29 07:17:04
● 2026-08-31 15:39:54
● 2026-09-04 03:14:10

○A188.114.96.02026-08-29 → 2026-08-29 · 3 obs

● 2026-08-29 07:17:04
○ 2026-08-31 15:39:54
○ 2026-09-04 03:14:10

○A188.114.97.02026-08-29 → 2026-08-29 · 3 obs

● 2026-08-29 07:17:04
○ 2026-08-31 15:39:54
○ 2026-09-04 03:14:10

●A2606:4700:3032::ac43:a4d72026-08-31 → 2026-09-04 · 3 obs

○ 2026-08-29 07:17:04
● 2026-08-31 15:39:54
● 2026-09-04 03:14:10

●A2606:4700:3035::6815:af82026-08-31 → 2026-09-04 · 3 obs

○ 2026-08-29 07:17:04
● 2026-08-31 15:39:54
● 2026-09-04 03:14:10

○A2a06:98c1:3120::2026-08-29 → 2026-08-29 · 3 obs

● 2026-08-29 07:17:04
○ 2026-08-31 15:39:54
○ 2026-09-04 03:14:10

○A2a06:98c1:3121::2026-08-29 → 2026-08-29 · 3 obs

● 2026-08-29 07:17:04
○ 2026-08-31 15:39:54
○ 2026-09-04 03:14:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tools	v0n0.nic.tools, v0n1.nic.tools, v0n2.nic.tools, v0n3.nic.tools...	12 records
contentstack.tools	faye.ns.cloudflare.com, kareem.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.22

NS records: faye.ns.cloudflare.com, kareem.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contentstack.tools (unsigned zone)

⏱️ Timing

Total: 952ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.10.248, 172.67.164.215`
AAAA	2	`2606:4700:3035::6815:af8, 2606:4700:3032::ac43:a4d7`
NS	2	`faye.ns.cloudflare.com, kareem.ns.cloudflare.com`
MX	7	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	3	`google-site-verification=q25GROTnGUyiZFU, v=spf1 +mx +a +ip4:85.239.55.169 ~all...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`faye.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.tools, v0n1.nic.tools, v0n2.nic.tools...)

Analysis

IP Addresses

contentstack.tools resolves to four IP addresses: 104.21.10.248, 172.67.164.215, 2606:4700:3032::ac43:a4d7 and 2606:4700:3035::6815:af8.

ics.sync2cal.com, dubai-princess.com, misclebear(0x706f726e).com and two other host names share IP numbers with contentstack.tools.

Name Servers

contentstack.tools is delegated to two name servers: faye.ns.cloudflare.com and kareem.ns.cloudflare.com.

contentstack.tools uses the same name servers as several other domains — among them meritoverseas.in, sicau211.workers.dev, nostkey.org and two more.

contentstack.tools shares at least some of its name servers with other domains, including hival84293.workers.dev, investmenthomebuying.com, casinoudm.cyou and two others.

It is common to find these name servers alongside the name servers nancy.ns.cloudflare.com, katja.ns.cloudflare.com, kinsley.ns.cloudflare.com and two others.

Hostnames that resolve to 6 IP addresses:

faye.ns.cloudflare.com resolves to 108.162.194.180, 162.159.38.180, 172.64.34.180 and 3 other IP addresses.

kareem.ns.cloudflare.com resolves to 108.162.195.22, 162.159.44.22, 172.64.35.22 and 3 other IP addresses.

Mail Servers

contentstack.tools is handled by 7 mail servers: mxa.mailgun.org, mxb.mailgun.org, aspmx.l.google.com and 4 other.

contentstack.tools has at least partial mail server overlap with other domains such as engineering.ksu.edu, bulgak.net, riso-plus1.co.jp and two more.

These mail servers commonly co-occur with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com points to 172.253.122.26 and 2607:f8b0:4004:c1f::1a.

alt1.aspmx.l.google.com points to 192.178.234.26 and 2800:3f0:4003:c14::1b.

alt2.aspmx.l.google.com points to 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com points to 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com points to 172.253.157.27 and 2a00:1450:400c:c23::1b.

Hosts with just one IP address:

mxa.mailgun.org points to 34.36.182.139.

mxb.mailgun.org points to 34.149.254.5.