contentstack.tools - dns.ninja

🛡️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::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f27.1e100.net`
		A	172.253.139.26^{🇺🇸 Google172.253.139.0/24}
			PTR	`yuiadsk-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.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	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
MX	`mxa.mailgun.org`⁽¹⁰⁾
		A	34.149.254.5^{🇺🇸 Google34.148.0.0/14}
			PTR	`5.254.149.34.bc.googleusercontent.com`
MX	`mxb.mailgun.org`⁽¹⁰⁾
		A	34.36.182.139^{🇺🇸 Google34.32.0.0/11}
			PTR	`139.182.36.34.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=168, name=cloudflare-ech.com
SOA	`faye.ns.cloudflare.com`dns@cloudflare.com serial=2414874728

`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=1789518008

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 → 2026-09-16 · 2 obs

● 2026-08-29 07:17:04
● 2026-09-16 00:40:42

●NSkareem.ns.cloudflare.com2026-08-29 → 2026-09-16 · 2 obs

● 2026-08-29 07:17:04
● 2026-09-16 00:40:42

●MXalt1.aspmx.l.google.com2026-08-29 → 2026-09-16 · 2 obs

● 2026-08-29 07:17:04
● 2026-09-16 00:40:42

●MXalt2.aspmx.l.google.com2026-08-29 → 2026-09-16 · 2 obs

● 2026-08-29 07:17:04
● 2026-09-16 00:40:42

●MXalt3.aspmx.l.google.com2026-08-29 → 2026-09-16 · 2 obs

● 2026-08-29 07:17:04
● 2026-09-16 00:40:42

●MXalt4.aspmx.l.google.com2026-08-29 → 2026-09-16 · 2 obs

● 2026-08-29 07:17:04
● 2026-09-16 00:40:42

●MXaspmx.l.google.com2026-08-29 → 2026-09-16 · 2 obs

● 2026-08-29 07:17:04
● 2026-09-16 00:40:42

●MXmxa.mailgun.org2026-08-29 → 2026-09-16 · 2 obs

● 2026-08-29 07:17:04
● 2026-09-16 00:40:42

●MXmxb.mailgun.org2026-08-29 → 2026-09-16 · 2 obs

● 2026-08-29 07:17:04
● 2026-09-16 00:40:42

●A104.21.10.2482026-08-31 → 2026-09-16 · 3 obs

○ 2026-08-29 07:17:04
● 2026-08-31 15:39:54
● 2026-09-16 00:40:42

●A172.67.164.2152026-08-31 → 2026-09-16 · 3 obs

○ 2026-08-29 07:17:04
● 2026-08-31 15:39:54
● 2026-09-16 00:40:42

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

● 2026-08-29 07:17:04
○ 2026-08-31 15:39:54
○ 2026-09-16 00:40:42

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

● 2026-08-29 07:17:04
○ 2026-08-31 15:39:54
○ 2026-09-16 00:40:42

●A2606:4700:3032::ac43:a4d72026-08-31 → 2026-09-16 · 3 obs

○ 2026-08-29 07:17:04
● 2026-08-31 15:39:54
● 2026-09-16 00:40:42

●A2606:4700:3035::6815:af82026-08-31 → 2026-09-16 · 3 obs

○ 2026-08-29 07:17:04
● 2026-08-31 15:39:54
● 2026-09-16 00:40:42

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

● 2026-08-29 07:17:04
○ 2026-08-31 15:39:54
○ 2026-09-16 00:40:42

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

● 2026-08-29 07:17:04
○ 2026-08-31 15:39:54
○ 2026-09-16 00:40:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tools	v0n3.nic.tools, v2n0.nic.tools, v2n1.nic.tools, v0n0.nic.tools...	12 records
contentstack.tools	faye.ns.cloudflare.com, kareem.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.22

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: 1084ms | 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 points to the four IP addresses 104.21.10.248, 172.67.164.215, 2606:4700:3032::ac43:a4d7 and 2606:4700:3035::6815:af8.

Among the host names that share IP numbers with contentstack.tools are ics.sync2cal.com, alifscales.com, pokertools.dev and two others.

Name Servers

contentstack.tools uses two name servers for its delegation: faye.ns.cloudflare.com and kareem.ns.cloudflare.com.

contentstack.tools has the same name server delegation as a number of other domains, such as goolges.org, meritoverseas.in, nova-97a7c3.workers.dev and two more.

There is at least partial name server overlap between contentstack.tools and other domains — free-credit-check-score.com, hival84293.workers.dev, investmenthomebuying.com and two more among them.

These name servers are routinely co-deployed with the name servers lady.ns.cloudflare.com, naomi.ns.cloudflare.com, hank.ns.cloudflare.com and two others.

Host names resolving to 6 IP numbers:

Hostname faye.ns.cloudflare.com directs to 108.162.194.180, 162.159.38.180 and 172.64.34.180 along with 3 other IP addresses.

Hostname kareem.ns.cloudflare.com directs to 108.162.195.22, 162.159.44.22 and 172.64.35.22 along with 3 other IP addresses.

Mail Servers

contentstack.tools accepts email via 7 mail servers: mxa.mailgun.org, mxb.mailgun.org, aspmx.l.google.com and 4 other.

contentstack.tools shares at least some of its mail servers with other domains — for example engineering.ksu.edu, bulgak.net, riso-plus1.co.jp and two more.

It is common to find these mail servers paired with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 more.

Hosts with two IP numbers each:

aspmx.l.google.com directs traffic to 172.253.139.26 and 2607:f8b0:4004:c1f::1b.

alt1.aspmx.l.google.com directs traffic to 192.178.234.27 and 2800:3f0:4003:c14::1b.

alt2.aspmx.l.google.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com directs traffic to 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com directs traffic to 172.253.157.26 and 2a00:1450:400c:c23::1a.

Hosts that resolve to one IP address:

mxa.mailgun.org has the IP address 34.149.254.5.

mxb.mailgun.org has the IP address 34.36.182.139.