🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`poststackapp.com`

DNSSEC	⚠️ Not signed
A	18.239.168.21^{🇺🇸 Amazon18.239.168.0/23}
		PTR	`server-18-239-168-21.bos50.r.cloudfront.net`
A	18.239.168.29^{🇺🇸 Amazon18.239.168.0/23}
A	18.239.168.91^{🇺🇸 Amazon18.239.168.0/23}
A	18.239.168.95^{🇺🇸 Amazon18.239.168.0/23}
NS	`ns-1317.awsdns-36.org` ⭐
		A	2600:9000:5305:2500::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1317.awsdns-36.org`
		A	205.251.197.37^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1317.awsdns-36.org`
NS	`ns-1681.awsdns-18.co.uk`
		A	2600:9000:5306:9100::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1681.awsdns-18.co.uk`
		A	205.251.198.145^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1681.awsdns-18.co.uk`
NS	`ns-198.awsdns-24.com`
		A	2600:9000:5300:c600::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-198.awsdns-24.com`
		A	205.251.192.198^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-198.awsdns-24.com`
NS	`ns-721.awsdns-26.net`
		A	2600:9000:5302:d100::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-721.awsdns-26.net`
		A	205.251.194.209^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-721.awsdns-26.net`
SOA	`ns-1317.awsdns-36.org`awsdns-hostmaster@amazon.com serial=1

`com`

	DNSSEC	⚠️ Not signed
	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=1794691686

Same first word

poststackapp.com

poststackapp.cloud

Previous names

Next names

DNS History

36 records (8 active, 28 former)

●NSns-1317.awsdns-36.org2026-09-23 → 2026-11-14 · 2 obs

● 2026-09-23 05:54:52
● 2026-11-14 21:45:48

●NSns-1681.awsdns-18.co.uk2026-09-23 → 2026-11-14 · 2 obs

● 2026-09-23 05:54:52
● 2026-11-14 21:45:48

●NSns-198.awsdns-24.com2026-09-23 → 2026-11-14 · 2 obs

● 2026-09-23 05:54:52
● 2026-11-14 21:45:48

●NSns-721.awsdns-26.net2026-09-23 → 2026-11-14 · 2 obs

● 2026-09-23 05:54:52
● 2026-11-14 21:45:48

○A18.154.84.1182026-09-23 → 2026-09-23 · 3 obs

● 2026-09-23 05:54:52
○ 2026-09-28 12:22:52
○ 2026-11-14 21:45:48

○A18.154.84.642026-09-23 → 2026-09-23 · 3 obs

● 2026-09-23 05:54:52
○ 2026-09-28 12:22:52
○ 2026-11-14 21:45:48

○A18.154.84.902026-09-23 → 2026-09-23 · 3 obs

● 2026-09-23 05:54:52
○ 2026-09-28 12:22:52
○ 2026-11-14 21:45:48

○A18.154.84.922026-09-23 → 2026-09-23 · 3 obs

● 2026-09-23 05:54:52
○ 2026-09-28 12:22:52
○ 2026-11-14 21:45:48

○A18.164.174.1252026-09-28 → 2026-10-22 · 10 obs

○ 2026-09-23 05:54:52
● 2026-09-28 12:22:52
○ 2026-09-30 14:23:22
● 2026-10-02 17:32:58
○ 2026-10-16 09:27:04
● 2026-10-16 12:49:54
○ 2026-10-22 10:22:38
● 2026-10-22 22:53:42
○ 2026-10-23 18:57:24
○ 2026-11-14 21:45:48

○A18.164.174.212026-09-28 → 2026-10-22 · 10 obs

○A18.164.174.52026-09-28 → 2026-10-22 · 10 obs

○A18.164.174.972026-09-28 → 2026-10-22 · 10 obs

●A18.239.168.212026-10-22 → 2026-11-14 · 9 obs

○ 2026-10-16 12:49:54
● 2026-10-22 10:22:38
○ 2026-10-22 22:53:42
● 2026-10-29 07:38:00
○ 2026-10-30 01:27:32
● 2026-10-30 23:57:26
○ 2026-10-31 04:46:50
● 2026-11-14 21:45:46
● 2026-11-14 21:45:48

●A18.239.168.292026-10-22 → 2026-11-14 · 9 obs

●A18.239.168.912026-10-22 → 2026-11-14 · 9 obs

●A18.239.168.952026-10-22 → 2026-11-14 · 9 obs

○A3.160.188.1042026-10-30 → 2026-10-30 · 4 obs

○ 2026-10-29 07:38:00
● 2026-10-30 01:27:32
○ 2026-10-30 23:57:26
○ 2026-11-14 21:45:48

○A3.160.188.1122026-10-30 → 2026-10-30 · 4 obs

○ 2026-10-29 07:38:00
● 2026-10-30 01:27:32
○ 2026-10-30 23:57:26
○ 2026-11-14 21:45:48

○A3.160.188.1182026-10-30 → 2026-10-30 · 4 obs

○ 2026-10-29 07:38:00
● 2026-10-30 01:27:32
○ 2026-10-30 23:57:26
○ 2026-11-14 21:45:48

○A3.160.188.732026-10-30 → 2026-10-30 · 4 obs

○ 2026-10-29 07:38:00
● 2026-10-30 01:27:32
○ 2026-10-30 23:57:26
○ 2026-11-14 21:45:48

○A3.162.112.1042026-09-30 → 2026-09-30 · 4 obs

○ 2026-09-28 12:22:52
● 2026-09-30 14:23:22
○ 2026-10-02 17:32:58
○ 2026-11-14 21:45:48

○A3.162.112.1122026-09-30 → 2026-09-30 · 4 obs

○ 2026-09-28 12:22:52
● 2026-09-30 14:23:22
○ 2026-10-02 17:32:58
○ 2026-11-14 21:45:48

○A3.162.112.652026-09-30 → 2026-09-30 · 4 obs

○ 2026-09-28 12:22:52
● 2026-09-30 14:23:22
○ 2026-10-02 17:32:58
○ 2026-11-14 21:45:48

○A3.162.112.842026-09-30 → 2026-09-30 · 4 obs

○ 2026-09-28 12:22:52
● 2026-09-30 14:23:22
○ 2026-10-02 17:32:58
○ 2026-11-14 21:45:48

○A3.166.192.212026-10-16 → 2026-10-16 · 4 obs

○ 2026-10-02 17:32:58
● 2026-10-16 09:27:04
○ 2026-10-16 12:49:54
○ 2026-11-14 21:45:48

○A3.166.192.362026-10-16 → 2026-10-16 · 4 obs

○ 2026-10-02 17:32:58
● 2026-10-16 09:27:04
○ 2026-10-16 12:49:54
○ 2026-11-14 21:45:48

○A3.166.192.502026-10-16 → 2026-10-16 · 4 obs

○ 2026-10-02 17:32:58
● 2026-10-16 09:27:04
○ 2026-10-16 12:49:54
○ 2026-11-14 21:45:48

○A3.166.192.92026-10-16 → 2026-10-16 · 4 obs

○ 2026-10-02 17:32:58
● 2026-10-16 09:27:04
○ 2026-10-16 12:49:54
○ 2026-11-14 21:45:48

○A3.168.132.1142026-10-31 → 2026-10-31 · 4 obs

○ 2026-10-30 23:57:26
● 2026-10-31 04:46:50
○ 2026-11-14 21:45:46
○ 2026-11-14 21:45:48

○A3.168.132.312026-10-31 → 2026-10-31 · 4 obs

○ 2026-10-30 23:57:26
● 2026-10-31 04:46:50
○ 2026-11-14 21:45:46
○ 2026-11-14 21:45:48

○A3.168.132.372026-10-31 → 2026-10-31 · 4 obs

○ 2026-10-30 23:57:26
● 2026-10-31 04:46:50
○ 2026-11-14 21:45:46
○ 2026-11-14 21:45:48

○A3.168.132.772026-10-31 → 2026-10-31 · 4 obs

○ 2026-10-30 23:57:26
● 2026-10-31 04:46:50
○ 2026-11-14 21:45:46
○ 2026-11-14 21:45:48

○A3.174.255.1122026-10-23 → 2026-10-23 · 4 obs

○ 2026-10-22 22:53:42
● 2026-10-23 18:57:24
○ 2026-10-29 07:38:00
○ 2026-11-14 21:45:48

○A3.174.255.1262026-10-23 → 2026-10-23 · 4 obs

○ 2026-10-22 22:53:42
● 2026-10-23 18:57:24
○ 2026-10-29 07:38:00
○ 2026-11-14 21:45:48

○A3.174.255.482026-10-23 → 2026-10-23 · 4 obs

○ 2026-10-22 22:53:42
● 2026-10-23 18:57:24
○ 2026-10-29 07:38:00
○ 2026-11-14 21:45:48

○A3.174.255.702026-10-23 → 2026-10-23 · 4 obs

○ 2026-10-22 22:53:42
● 2026-10-23 18:57:24
○ 2026-10-29 07:38:00
○ 2026-11-14 21:45:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
poststackapp.com	ns-198.awsdns-24.com, ns-721.awsdns-26.net, ns-1681.awsdns-18.co.uk, ns-1317.awsdns-36.org	2 records

✅ Authoritative Response

Server:205.251.197.37

NS records: ns-198.awsdns-24.com, ns-721.awsdns-26.net, ns-1681.awsdns-18.co.uk, ns-1317.awsdns-36.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for poststackapp.com (unsigned zone)

⏱️ Timing

Total: 1501ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.239.168.95, 18.239.168.21...`
NS	4	`ns-1317.awsdns-36.org, ns-1681.awsdns-18.co.uk...`
SOA	1	`ns-1317.awsdns-36.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-198.awsdns-24.com, ns-198.awsdns-24.com)

Analysis

IP Addresses

poststackapp.com has four IP addresses: 18.239.168.21, 18.239.168.29, 18.239.168.91 and 18.239.168.95.

Additional host names — d1sqz8eysd1bvy.amplifyapp.com, mail.propertybook.com.sg, d27dagwzt4i3uz.amplifyapp.com and two others — share IP numbers with poststackapp.com.

Name Servers

poststackapp.com has four authoritative name servers: ns-198.awsdns-24.com, ns-721.awsdns-26.net, ns-1317.awsdns-36.org and ns-1681.awsdns-18.co.uk.

poststackapp.com partially shares its NS delegation with several other domains, including archerweston.com, latam-maintenance.rio.cloud, cutcocms.com and two others.

These name servers often co-occur with the name servers ns-680.awsdns-21.net.

ns-198.awsdns-24.com, ns-721.awsdns-26.net, ns-1317.awsdns-36.org and ns-1681.awsdns-18.co.uk each carry two IP addresses. ns-198.awsdns-24.com has 205.251.192.198 and 2600:9000:5300:c600::1; ns-721.awsdns-26.net has 205.251.194.209 and 2600:9000:5302:d100::1; ns-1317.awsdns-36.org has 205.251.197.37 and 2600:9000:5305:2500::1; ns-1681.awsdns-18.co.uk has 205.251.198.145 and 2600:9000:5306:9100::1.

poststackapp.com - robtex.com