callistersoftware.com - dns.ninja

`callistersoftware.com`

DNSSEC	⚠️ Not signed
A	18.238.4.17^{🇺🇸 Amazon18.238.4.0/22}
		PTR	`server-18-238-4-17.phl51.r.cloudfront.net`
A	18.238.4.25^{🇺🇸 Amazon18.238.4.0/22}
A	18.238.4.53^{🇺🇸 Amazon18.238.4.0/22}
A	18.238.4.124^{🇺🇸 Amazon18.238.4.0/22}
NS	`ns-749.awsdns-29.net` ⭐
		A	2600:9000:5302:ed00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-749.awsdns-29.net`
		A	205.251.194.237^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-749.awsdns-29.net`
NS	`ns-1153.awsdns-16.org`
		A	2600:9000:5304:8100::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1153.awsdns-16.org`
		A	205.251.196.129^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1153.awsdns-16.org`
NS	`ns-1765.awsdns-28.co.uk`
		A	2600:9000:5306:e500::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1765.awsdns-28.co.uk`
		A	205.251.198.229^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1765.awsdns-28.co.uk`
NS	`ns-418.awsdns-52.com`
		A	2600:9000:5301:a200::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-418.awsdns-52.com`
		A	205.251.193.162^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-418.awsdns-52.com`
MX	`inbound-smtp.eu-west-1.amazonaws.com` ⭐
		A	18.200.203.69^{🇮🇪 Amazon18.200.0.0/16 EC2 DUB prefix}
			PTR	`ec2-18-200-203-69.eu-west-1.compute.amazonaws.com`
		A	54.76.31.185^{🇮🇪 Amazon54.76.0.0/15 EC2 DUB prefix}
			PTR	`ec2-54-76-31-185.eu-west-1.compute.amazonaws.com`
		A	54.155.140.59^{🇮🇪 Amazon54.155.0.0/16 EC2 DUB prefix}
			PTR	`ec2-54-155-140-59.eu-west-1.compute.amazonaws.com`
SOA	`ns-749.awsdns-29.net`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=1785624807

Same first word

callistersoftware.com

DNS History

41 records (9 active, 32 former)

●NSns-1153.awsdns-16.org2019-12-18 → 2026-08-01 · 2 obs

● 2019-12-18 02:29:46
● 2026-08-01 23:19:08

●NSns-1765.awsdns-28.co.uk2019-12-18 → 2026-08-01 · 2 obs

● 2019-12-18 02:29:46
● 2026-08-01 23:19:08

●NSns-418.awsdns-52.com2019-12-18 → 2026-08-01 · 2 obs

● 2019-12-18 02:29:46
● 2026-08-01 23:19:08

●NSns-749.awsdns-29.net2019-12-18 → 2026-08-01 · 2 obs

● 2019-12-18 02:29:46
● 2026-08-01 23:19:08

●MXinbound-smtp.eu-west-1.amazonaws.com2019-12-18 → 2026-08-01 · 2 obs

● 2019-12-18 02:29:46
● 2026-08-01 23:19:08

○A108.138.64.1002026-07-03 → 2026-07-03 · 4 obs

○ 2026-07-03 14:47:10
● 2026-07-03 18:06:30
○ 2026-07-03 21:35:14
○ 2026-08-01 23:19:08

○A108.138.64.1102026-07-03 → 2026-07-03 · 4 obs

○ 2026-07-03 14:47:10
● 2026-07-03 18:06:30
○ 2026-07-03 21:35:14
○ 2026-08-01 23:19:08

○A108.138.64.1212026-07-03 → 2026-07-03 · 4 obs

○ 2026-07-03 14:47:10
● 2026-07-03 18:06:30
○ 2026-07-03 21:35:14
○ 2026-08-01 23:19:08

○A108.138.64.352026-07-03 → 2026-07-03 · 4 obs

○ 2026-07-03 14:47:10
● 2026-07-03 18:06:30
○ 2026-07-03 21:35:14
○ 2026-08-01 23:19:08

○A108.139.163.1002026-07-25 → 2026-07-25 · 4 obs

○ 2026-07-24 16:53:38
● 2026-07-25 08:53:46
○ 2026-07-27 12:14:02
○ 2026-08-01 23:19:08

○A108.139.163.562026-07-25 → 2026-07-25 · 4 obs

○ 2026-07-24 16:53:38
● 2026-07-25 08:53:46
○ 2026-07-27 12:14:02
○ 2026-08-01 23:19:08

○A108.139.163.792026-07-25 → 2026-07-25 · 4 obs

○ 2026-07-24 16:53:38
● 2026-07-25 08:53:46
○ 2026-07-27 12:14:02
○ 2026-08-01 23:19:08

○A108.139.163.932026-07-25 → 2026-07-25 · 4 obs

○ 2026-07-24 16:53:38
● 2026-07-25 08:53:46
○ 2026-07-27 12:14:02
○ 2026-08-01 23:19:08

○A13.224.252.1252026-07-03 → 2026-07-23 · 12 obs

○ 2026-07-03 18:06:30
● 2026-07-03 21:35:14
○ 2026-07-11 09:18:56
● 2026-07-12 01:16:54
○ 2026-07-13 18:30:20
● 2026-07-13 22:37:00
○ 2026-07-14 00:58:20
● 2026-07-17 07:06:16
○ 2026-07-23 05:50:24
● 2026-07-23 14:39:28
○ 2026-07-24 08:55:28
○ 2026-08-01 23:19:08

○A13.224.252.182026-07-03 → 2026-07-23 · 12 obs

○A13.224.252.442026-07-03 → 2026-07-23 · 12 obs

○A13.224.252.52026-07-03 → 2026-07-23 · 12 obs

○A13.33.131.1212026-07-13 → 2026-07-27 · 14 obs

○ 2026-07-12 01:16:54
● 2026-07-13 18:30:20
○ 2026-07-13 21:04:58
● 2026-07-14 00:58:20
○ 2026-07-14 03:22:18
● 2026-07-23 05:50:24
○ 2026-07-23 06:46:42
● 2026-07-23 08:59:54
○ 2026-07-23 12:55:50
● 2026-07-24 08:55:28
○ 2026-07-24 16:53:38
● 2026-07-27 19:48:16
○ 2026-07-28 00:50:26
○ 2026-08-01 23:19:08

○A13.33.131.1282026-07-13 → 2026-07-27 · 14 obs

○A13.33.131.72026-07-13 → 2026-07-27 · 14 obs

○A13.33.131.772026-07-13 → 2026-07-27 · 14 obs

○A143.204.192.1032019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 02:29:46
○ 2026-07-03 14:47:10
○ 2026-08-01 23:19:08

○A143.204.192.122019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 02:29:46
○ 2026-07-03 14:47:10
○ 2026-08-01 23:19:08

○A143.204.192.1272019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 02:29:46
○ 2026-07-03 14:47:10
○ 2026-08-01 23:19:08

○A143.204.192.132019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 02:29:46
○ 2026-07-03 14:47:10
○ 2026-08-01 23:19:08

○A18.164.174.302026-07-03 → 2026-07-23 · 8 obs

○ 2019-12-18 02:29:46
● 2026-07-03 14:47:10
○ 2026-07-03 18:06:30
● 2026-07-23 06:46:42
○ 2026-07-23 08:59:54
● 2026-07-23 13:31:28
○ 2026-07-23 14:39:28
○ 2026-08-01 23:19:08

○A18.164.174.362026-07-03 → 2026-07-23 · 8 obs

○ 2019-12-18 02:29:46
● 2026-07-03 14:47:10
○ 2026-07-03 18:06:30
● 2026-07-23 06:46:42
○ 2026-07-23 08:59:54
● 2026-07-23 13:31:28
○ 2026-07-23 14:39:28
○ 2026-08-01 23:19:08

○A18.164.174.82026-07-03 → 2026-07-23 · 8 obs

○ 2019-12-18 02:29:46
● 2026-07-03 14:47:10
○ 2026-07-03 18:06:30
● 2026-07-23 06:46:42
○ 2026-07-23 08:59:54
● 2026-07-23 13:31:28
○ 2026-07-23 14:39:28
○ 2026-08-01 23:19:08

○A18.164.174.842026-07-03 → 2026-07-23 · 8 obs

○ 2019-12-18 02:29:46
● 2026-07-03 14:47:10
○ 2026-07-03 18:06:30
● 2026-07-23 06:46:42
○ 2026-07-23 08:59:54
● 2026-07-23 13:31:28
○ 2026-07-23 14:39:28
○ 2026-08-01 23:19:08

○A18.165.122.1062026-07-11 → 2026-07-11 · 4 obs

○ 2026-07-03 21:35:14
● 2026-07-11 09:18:56
○ 2026-07-12 01:16:54
○ 2026-08-01 23:19:08

○A18.165.122.1152026-07-11 → 2026-07-11 · 4 obs

○ 2026-07-03 21:35:14
● 2026-07-11 09:18:56
○ 2026-07-12 01:16:54
○ 2026-08-01 23:19:08

○A18.165.122.442026-07-11 → 2026-07-11 · 4 obs

○ 2026-07-03 21:35:14
● 2026-07-11 09:18:56
○ 2026-07-12 01:16:54
○ 2026-08-01 23:19:08

○A18.165.122.922026-07-11 → 2026-07-11 · 4 obs

○ 2026-07-03 21:35:14
● 2026-07-11 09:18:56
○ 2026-07-12 01:16:54
○ 2026-08-01 23:19:08

●A18.238.4.1242026-07-13 → 2026-08-01 · 11 obs

○ 2026-07-13 18:30:20
● 2026-07-13 21:04:58
○ 2026-07-13 22:37:00
● 2026-07-14 03:22:18
○ 2026-07-17 07:06:16
● 2026-07-23 12:55:50
○ 2026-07-23 13:31:28
● 2026-07-24 16:53:38
○ 2026-07-25 08:53:46
● 2026-07-28 00:50:26
● 2026-08-01 23:19:08

●A18.238.4.172026-07-13 → 2026-08-01 · 11 obs

●A18.238.4.252026-07-13 → 2026-08-01 · 11 obs

●A18.238.4.532026-07-13 → 2026-08-01 · 11 obs

○A18.64.174.22026-07-27 → 2026-07-27 · 4 obs

○ 2026-07-25 08:53:46
● 2026-07-27 12:14:02
○ 2026-07-27 19:48:16
○ 2026-08-01 23:19:08

○A18.64.174.602026-07-27 → 2026-07-27 · 4 obs

○ 2026-07-25 08:53:46
● 2026-07-27 12:14:02
○ 2026-07-27 19:48:16
○ 2026-08-01 23:19:08

○A18.64.174.672026-07-27 → 2026-07-27 · 4 obs

○ 2026-07-25 08:53:46
● 2026-07-27 12:14:02
○ 2026-07-27 19:48:16
○ 2026-08-01 23:19:08

○A18.64.174.802026-07-27 → 2026-07-27 · 4 obs

○ 2026-07-25 08:53:46
● 2026-07-27 12:14:02
○ 2026-07-27 19:48:16
○ 2026-08-01 23:19:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
callistersoftware.com	ns-749.awsdns-29.net, ns-418.awsdns-52.com, ns-1765.awsdns-28.co.uk, ns-1153.awsdns-16.org	2 records

✅ Authoritative Response

Server:205.251.196.129

NS records: ns-749.awsdns-29.net, ns-418.awsdns-52.com, ns-1765.awsdns-28.co.uk, ns-1153.awsdns-16.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for callistersoftware.com (unsigned zone)

⏱️ Timing

Total: 601ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.238.4.17, 18.238.4.53...`
NS	4	`ns-1153.awsdns-16.org, ns-1765.awsdns-28.co.uk...`
MX	1	`inbound-smtp.eu-west-1.amazonaws.com (pr`
SOA	1	`ns-749.awsdns-29.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-418.awsdns-52.com, ns-418.awsdns-52.com)

Analysis

IP Addresses

callistersoftware.com resolves to four IP addresses: 18.238.4.17, 18.238.4.25, 18.238.4.53 and 18.238.4.124.

caphonelookup.com, univ.theia.fr, d3b9fuwqxwwnqy.cloudfront.net and two other host names share IP numbers with callistersoftware.com.

Name Servers

The authoritative name servers for callistersoftware.com are ns-418.awsdns-52.com, ns-749.awsdns-29.net, ns-1153.awsdns-16.org and ns-1765.awsdns-28.co.uk.

callistersoftware.com partially shares its NS delegation with several other domains, including doorattendant.net, kbtees.com, scroll.am and two others.

ns-418.awsdns-52.com, ns-749.awsdns-29.net, ns-1153.awsdns-16.org and ns-1765.awsdns-28.co.uk each carry two IP addresses. ns-418.awsdns-52.com has 205.251.193.162 and 2600:9000:5301:a200::1; ns-749.awsdns-29.net has 205.251.194.237 and 2600:9000:5302:ed00::1; ns-1153.awsdns-16.org has 205.251.196.129 and 2600:9000:5304:8100::1; ns-1765.awsdns-28.co.uk has 205.251.198.229 and 2600:9000:5306:e500::1.

Mail Servers

Mail for callistersoftware.com is handled by a single mail server, inbound-smtp.eu-west-1.amazonaws.com.

callistersoftware.com uses an identical mail server configuration to several other domains — among them kardiologie-muenchen-west.de, wijnbesteld.nl, efekta.io and two more.

callistersoftware.com has at least partial mail server overlap with other domains such as bibitel.com, cksw.co, aktivia.bg and two more.

inbound-smtp.eu-west-1.amazonaws.com resolves to a set of three IP numbers: 18.200.203.69, 54.76.31.185 and 54.155.140.59.