`castiron-software.com`

DNSSEC	⚠️ Not signed
NS	`ns-1768.awsdns-29.co.uk` ⭐
		A	2600:9000:5306:e800::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1768.awsdns-29.co.uk`
		A	205.251.198.232^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1768.awsdns-29.co.uk`
NS	`ns-1460.awsdns-54.org`
		A	2600:9000:5305:b400::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1460.awsdns-54.org`
		A	205.251.197.180^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1460.awsdns-54.org`
NS	`ns-299.awsdns-37.com`
		A	2600:9000:5301:2b00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-299.awsdns-37.com`
		A	205.251.193.43^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-299.awsdns-37.com`
NS	`ns-564.awsdns-06.net`
		A	2600:9000:5302:3400::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-564.awsdns-06.net`
		A	205.251.194.52^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-564.awsdns-06.net`
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`
SOA	`ns-1768.awsdns-29.co.uk`awsdns-hostmaster@amazon.com serial=1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

DNS History

16 records (6 active, 10 former)

○NSns-1173.awsdns-18.org2019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 01:54:38
○ 2026-03-16 16:14:14
○ 2026-03-16 16:14:20

●NSns-1460.awsdns-54.org2026-03-16 → 2026-03-16 · 3 obs

○ 2019-12-18 01:54:38
● 2026-03-16 16:14:14
● 2026-03-16 16:14:20

●NSns-1768.awsdns-29.co.uk2026-03-16 → 2026-03-16 · 3 obs

○ 2019-12-18 01:54:38
● 2026-03-16 16:14:14
● 2026-03-16 16:14:20

○NSns-1853.awsdns-39.co.uk2019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 01:54:38
○ 2026-03-16 16:14:14
○ 2026-03-16 16:14:20

○NSns-25.awsdns-03.com2019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 01:54:38
○ 2026-03-16 16:14:14
○ 2026-03-16 16:14:20

●NSns-299.awsdns-37.com2026-03-16 → 2026-03-16 · 3 obs

○ 2019-12-18 01:54:38
● 2026-03-16 16:14:14
● 2026-03-16 16:14:20

●NSns-564.awsdns-06.net2026-03-16 → 2026-03-16 · 3 obs

○ 2019-12-18 01:54:38
● 2026-03-16 16:14:14
● 2026-03-16 16:14:20

○NSns-700.awsdns-23.net2019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 01:54:38
○ 2026-03-16 16:14:14
○ 2026-03-16 16:14:20

○MXalt1.aspmx.l.google.com2019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 01:54:38
○ 2026-03-16 16:14:14
○ 2026-03-16 16:14:20

○MXalt2.aspmx.l.google.com2019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 01:54:38
○ 2026-03-16 16:14:14
○ 2026-03-16 16:14:20

○MXalt3.aspmx.l.google.com2019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 01:54:38
○ 2026-03-16 16:14:14
○ 2026-03-16 16:14:20

○MXalt4.aspmx.l.google.com2019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 01:54:38
○ 2026-03-16 16:14:14
○ 2026-03-16 16:14:20

○MXaspmx.l.google.com2019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 01:54:38
○ 2026-03-16 16:14:14
○ 2026-03-16 16:14:20

●MXmx1.improvmx.com2026-03-16 → 2026-03-16 · 3 obs

○ 2019-12-18 01:54:38
● 2026-03-16 16:14:14
● 2026-03-16 16:14:20

●MXmx2.improvmx.com2026-03-16 → 2026-03-16 · 3 obs

○ 2019-12-18 01:54:38
● 2026-03-16 16:14:14
● 2026-03-16 16:14:20

○MXvxqgblvavrldymdj7x2dhenstqphn6f4evc4igtc5rmh35nngfma.mx-verification.google.com2019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 01:54:38
○ 2026-03-16 16:14:14
○ 2026-03-16 16:14:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
castiron-software.com	ns-564.awsdns-06.net, ns-299.awsdns-37.com, ns-1768.awsdns-29.co.uk, ns-1460.awsdns-54.org	1 record

✅ Authoritative Response

Server: 205.251.197.180

NS records: ns-564.awsdns-06.net, ns-299.awsdns-37.com, ns-1768.awsdns-29.co.uk, ns-1460.awsdns-54.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for castiron-software.com (unsigned zone)

⏱️ Timing

Total: 407ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1460.awsdns-54.org, ns-1768.awsdns-29.co.uk...`
MX	2	`mx1.improvmx.com (pri: 10), mx2.improvmx.com (pri: 20)`
SOA	1	`ns-1768.awsdns-29.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-299.awsdns-37.com)

Analysis

Name Servers

castiron-software.com is delegated to four name servers: ns-299.awsdns-37.com, ns-564.awsdns-06.net, ns-1460.awsdns-54.org and ns-1768.awsdns-29.co.uk.

castiron-software.com at least partially shares name servers with other domains, for instance d12fo8ie8po2pu.cloudfront.net, gopconvention.com, loopedlive.com, tokusuke-kun.jp and nichieidenki.com.

these name servers are often used with ns-425.awsdns-53.com, ns-530.awsdns-02.net, ns-1862.awsdns-40.co.uk, ns-152.awsdns-19.com, ns-890.awsdns-47.net, ns-1281.awsdns-32.org, ns-685.awsdns-21.net and ns-1775.awsdns-29.co.uk.

Host names with two IP numbers:

ns-299.awsdns-37.com points to: 2600:9000:5301:2b00::1 and 205.251.193.43.

ns-564.awsdns-06.net points to: 2600:9000:5302:3400::1 and 205.251.194.52.

ns-1460.awsdns-54.org points to: 2600:9000:5305:b400::1 and 205.251.197.180.

ns-1768.awsdns-29.co.uk points to: 2600:9000:5306:e800::1 and 205.251.198.232.

Mail Servers

castiron-software.com is handled by two mail servers: mx1.improvmx.com and mx2.improvmx.com.

castiron-software.com uses the same mail server configuration as other domains, such as reliningvansbro.se, freerange.co, torepura.com, yukun.org and holberg.ch.

castiron-software.com shares mail servers with other domains at least in part, for instance emailbeautifier.com, mohdizzy.com, tanits.be, digitaldredger.com and starseotools.com.

Host names with six IP numbers: mx1.improvmx.com points to: 2a05:d012:412:e201:88aa:e7b9:7a43:12d7, 2a05:d012:412:e202:f36:2c1f:1a49:d38a, 2a05:d012:412:e203:373a:f51a:4a85:1d25, 13.37.195.136, 15.236.236.160 and 35.181.18.45. mx2.improvmx.com points to: 2a05:d012:412:e201:1f6e:f6e4:8fd7:4678, 2a05:d012:412:e202:e81e:cc44:3b53:8a3d, 2a05:d012:412:e203:7e33:3d9c:28d7:ee20, 13.36.107.63, 13.36.222.39 and 15.236.61.92.

castiron-software.com - robtex.com