contentstack.uk - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`contentstack.uk`

DNSSEC	⚠️ Not signed
A	91.195.240.135^{SEDO91.195.240.0/23}
NS	`ray.ns.cloudflare.com` ⭐
NS	`venus.ns.cloudflare.com`
MX	`mx1.improvmx.com` ⭐
		A	2a05:d012:412:e201:88aa:e7b9:7a43:12d7^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:f36:2c1f:1a49:d38a^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:373a:f51a:4a85:1d25^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.37.195.136^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-37-195-136.eu-west-3.compute.amazonaws.com`
		A	15.236.236.160^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
			PTR	`ec2-15-236-236-160.eu-west-3.compute.amazonaws.com`
		A	35.181.18.45^{🇫🇷 Amazon35.181.0.0/16 EC2 CDG prefix}
			PTR	`ec2-35-181-18-45.eu-west-3.compute.amazonaws.com`
MX	`mx2.improvmx.com`⁽²⁰⁾
		A	2a05:d012:412:e201:1f6e:f6e4:8fd7:4678^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:e81e:cc44:3b53:8a3d^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:7e33:3d9c:28d7:ee20^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.36.107.63^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-36-107-63.eu-west-3.compute.amazonaws.com`
		A	13.36.222.39^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-36-222-39.eu-west-3.compute.amazonaws.com`
		A	15.236.61.92^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
			PTR	`ec2-15-236-61-92.eu-west-3.compute.amazonaws.com`
TXT	`5c8c22891bbc4c49bd7a91b5a592d6a1c7671ed6`
TXT	`v=spf1 include:spf.improvmx.com -all`
SOA	`ray.ns.cloudflare.com`dns@cloudflare.com serial=2413979611

`uk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns1.nic.uk` ⭐
	NS	`dns2.nic.uk`
	NS	`dns3.nic.uk`
	NS	`dns4.nic.uk`
	NS	`nsa.nic.uk`
	NS	`nsb.nic.uk`
	NS	`nsc.nic.uk`
	NS	`nsd.nic.uk`
	TXT	`#Timestamp: 1791638700`
	SOA	`dns1.nic.uk`hostmaster@nic.uk serial=1791638744

Same first word

Similar names

stackcontent.xyz

stackcontent.com

DNS History

5 records (5 active, 0 former)

●NSray.ns.cloudflare.com2026-09-12 → 2026-10-10 · 2 obs

● 2026-09-12 11:11:16
● 2026-10-10 14:07:58

●NSvenus.ns.cloudflare.com2026-09-12 → 2026-10-10 · 2 obs

● 2026-09-12 11:11:16
● 2026-10-10 14:07:58

●MXmx1.improvmx.com2026-09-12 → 2026-10-10 · 2 obs

● 2026-09-12 11:11:16
● 2026-10-10 14:07:58

●MXmx2.improvmx.com2026-09-12 → 2026-10-10 · 2 obs

● 2026-09-12 11:11:16
● 2026-10-10 14:07:58

●A91.195.240.1352026-09-12 → 2026-10-10 · 2 obs

● 2026-09-12 11:11:16
● 2026-10-10 14:07:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
uk	nsa.nic.uk, nsb.nic.uk, nsc.nic.uk, nsd.nic.uk...	-
contentstack.uk	ray.ns.cloudflare.com, venus.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.235

NS records: ray.ns.cloudflare.com, venus.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contentstack.uk (unsigned zone)

⏱️ Timing

Total: 1484ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.195.240.135`
NS	2	`ray.ns.cloudflare.com, venus.ns.cloudflare.com`
MX	2	`mx1.improvmx.com (pri: 10), mx2.improvmx.com (pri: 20)`
TXT	2	`5c8c22891bbc4c49bd7a91b5a592d6a1c7671ed6, v=spf1 include:spf.improvmx.com -all`
SOA	1	`ray.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

contentstack.uk has exactly one IP address — 91.195.240.135.

Name Servers

contentstack.uk is delegated to two name servers: ray.ns.cloudflare.com and venus.ns.cloudflare.com.

Mail Servers

contentstack.uk uses two mail servers, mx1.improvmx.com and mx2.improvmx.com.

Hosts with 6 IP addresses each:

mx1.improvmx.com resolves to 13.37.195.136, 15.236.236.160, 35.181.18.45 and 3 other IP addresses.

mx2.improvmx.com resolves to 13.36.107.63, 13.36.222.39, 15.236.61.92 and 3 other IP addresses.