DNSWHOIS.INFO - postfix.org

Search for IP or hostnames:

postfix.org checked at 2025-09-07T00:12:52.488Z 420ms 113/113/113 100% R:33

`postfix.org`

NS	`nsx03.sys4.ch`
		A	2a05:f480:1c00:8b7:5400:5ff:fe2f:f4ef ^{🇫🇷 The Constant Company}
		A	199.247.9.18^{🇫🇷 The Constant Company}
			PTR	`199.247.9.18.vultrusercontent.com`
NS	`nsx04.sys4.ch`
		A	2a03:6000:6f73:623::162 ^{🇳🇱 High5!}
			PTR	`powered-by.openbsd.amsterdam`
		A	46.23.92.162^{🇳🇱 High5!}
			PTR	`powered-by.openbsd.amsterdam`
MX	`list.sys4.de`
		A	2a03:4000:20:189::195 ^{🇩🇪 netcup GmbH}
			PTR	`list.sys4.de`
		A	45.90.5.195^{🇩🇪 netcup GmbH}
			PTR	`list.sys4.de`
NS	`nsx01.sys4.de`
		A	2a03:4000:29:75f:9463:84ff:fe80:8659 ^{🇩🇪 netcup GmbH}
			PTR	`nsx01.sys4.de`
		A	94.16.116.124^{🇦🇹 netcup GmbH}
			PTR	`nsx01.sys4.de`
NS	`nsx05.sys4.eu`
		A	2001:19f0:ac01:784:5400:4ff:fe43:dc84 ^{🇺🇸 The Constant Company}
		A	149.28.195.250^{🇺🇸 The Constant Company}
			PTR	`149.28.195.250.vultrusercontent.com`
NS	`nsx06.sys4.eu`
		A	2401:c080:1c02:4c9:5400:4ff:fe43:df9a ^{🇰🇷 The Constant Company}
		A	149.28.195.250^{🇺🇸 The Constant Company}
			PTR	`149.28.195.250.vultrusercontent.com`
A	2a01:4f9:6a:528d::a ^{🇩🇪 Hetzner}
		PTR	`ra.horus-it.com`
A	65.108.3.114^{🇫🇮 Hetzner}
		PTR	`ra.horus-it.com`

rank #8066 globally
rank #930 in the tld

Up
`de.postfix.org`
`www.postfix.org`

de.postfix.org and www.postfix.org are children of postfix.org.

postfix.org is configured to point to two IP addresses: 2a01:4f9:6a:528d::a and 65.108.3.114.

IP numbers are shared between postfix.org and other host names such as sentries.org, ra.horus-it.com, horus-it.de, horus-it.com, and ns1.horus-it.com.

Five name servers: nsx03.sys4.ch, nsx04.sys4.ch, nsx01.sys4.de, nsx05.sys4.eu, and nsx06.sys4.eu are delegated to postfix.org.

The domain postfix.org shares at least a portion of its name servers with other domains such as postfix.com, mailop.org, postfix.net, and postfix.co.uk.

The name servers nsx02.sys4.farm are frequently utilized in conjunction.

nsx03.sys4.ch, 2a05:f480:1c00:8b7:5400:5ff:fe2f:f4ef, and 199.247.9.18 are related. nsx04.sys4.ch, 2a03:6000:6f73:623::162, and 46.23.92.162 are also connected. Similarly, nsx01.sys4.de, 2a03:4000:29:75f:9463:84ff:fe80:8659, and 94.16.116.124 form a group. Additionally, nsx05.sys4.eu, 2001:19f0:ac01:784:5400:4ff:fe43:dc84, and 149.28.195.250 share a relationship. Lastly, nsx06.sys4.eu, 2401:c080:1c02:4c9:5400:4ff:fe43:df9a, and 149.28.195.250 are associated.

The mail server, list.sys4.de, handles postfix.org.

Just like other domains, such as list.sys4.de, postfix.org also has the same mail server setup.

list.sys4.de is configured to point to two IP addresses: 2a03:4000:20:189::195 and 45.90.5.195.

dbq