WWW.RTSAK.COM - node21.mail4.pl

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node21.mail4.pl checked at 2025-10-04T01:42:13.749Z 135ms 31/31/31 100% R:10

`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 handles mail for poczta.at.

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

node21.mail4.pl points to a single IP address: 137.74.3.137.

Other host names, such as mx1.mail4.pl and primary.mail4.pl, share IP numbers with node21.mail4.pl.

dbq