DNSWHOIS.INFO - node21.mail4.pl

Search for IP or hostnames:

node21.mail4.pl checked at 2025-11-25T04:08:23.503Z 132ms 31/31/31 100% R:12 allDone:true timedOut:false

`node21.mail4.pl`

	A	137.74.3.137^{🇵🇱 OVH}
			PTR	`node21.mail4.pl`

137.3.74.137.in-addr.arpa

poczta.at

node21.com

node21.net

node21.com

done21.com

12done.com

endo21.co.jp

node21.net

node21.mail4.pl serves as the mail server for poczta.at.

Together with node21.mail4.pl, node31.mail4.pl is commonly used as a mail server.

node21.mail4.pl resolves to a single IP: 137.74.3.137.

Other host names, for instance, mx1.mail4.pl and primary.mail4.pl share IP numbers with node21.mail4.pl.