CF1759811679685-tsm20251005211530

DNSWHOIS.INFO - grefnet.pl

Search for IP or hostnames:

grefnet.pl checked at 2025-10-07T04:34:39.666Z 429ms 117/117/117 100% R:18

grefnet.pl

MXaspmx2.googlemail.com
A2a00:1450:400b:c02::1b 🇮🇪 Google
PTRdj-in-f27.1e100.net
A172.253.116.27🇺🇸 Google
PTRdj-in-f27.1e100.net
MXaspmx3.googlemail.com
A2607:f8b0:4003:c30::1b 🇺🇸 Google
PTRyutulis-in-f27.1e100.net
A74.125.27.26🇺🇸 Google
PTRyutulis-in-f26.1e100.net
NSfns1.42.pl
A79.98.145.34🇵🇱 Nitronet sp. z o.o.
NSfns2.42.pl
A2001:41d0:701:1100::66c 🇩🇪 OVH
PTRfns2.42.pl
A51.38.99.90🇫🇷 OVH
PTRfns2.42.pl
MXaspmx.l.google.com
A2607:f8b0:4023:c03::1a 🇺🇸 Google
PTRdy-in-f26.1e100.net
A74.125.137.27🇺🇸 Google
PTRdy-in-f27.1e100.net
MXalt1.aspmx.l.google.com
A2607:f8b0:4023:100f::1a 🇺🇸 Google
PTRyudfwra-in-f26.1e100.net
A192.178.220.26🇺🇸 Google
PTRyudfwra-in-f26.1e100.net
MXalt2.aspmx.l.google.com
A2607:f8b0:4003:c30::1a 🇺🇸 Google
PTRyutulis-in-f26.1e100.net
A74.125.27.27🇺🇸 Google
PTRyutulis-in-f27.1e100.net
A79.137.81.225🇫🇷 OVH

pl

NSa-dns.pl
NSb-dns.pl
NSd-dns.pl
NSf-dns.pl
NSh-dns.pl
NSj-dns.pl

Starts with same word

Starts similarily

AI analysis

grefnet.pl points to a single IP: 79.137.81.225.

Other host names, for instance 225.ip-79-137-81.eu, share IP numbers with grefnet.pl.

grefnet.pl's delegation is to two name servers fns1.42.pl and fns2.42.pl.

grefnet.pl shares the same name server configuration as other domains, such as evil.pl, parkier.pl, decorisus.pl, cenc.pl and wypozyczalniaobrazow.pl.

grefnet.pl at least partially shares its name servers with other domains, for instance six.pl, 218.242.91.in-addr.arpa, 200.238.193.in-addr.arpa, land-serwis.pl and computer.lublin.pl.

These name servers are commonly used with ns2.afraid.org, uz5x36jqv06q5yulzwcblfzcrk1b479xdttdm1nrgfglzs57bmctl8.free.ns.buddyns.com, ns1.afraid.org, pridns.zamek.net.pl, uz5qfm8n244kn4qz8mh437w9kzvpudduwyldp5361v9n0vh8sx5ucu.free.ns.buddyns.com, ns1.iwacom.pl and ns1.skrobs.com.

Host names with two IPs:

fns2.42.pl points to: 2001:41d0:701:1100::66c and 51.38.99.90.

Host names with one IP:

fns1.42.pl points to: 79.98.145.34.

Five mail servers handle grefnet.pl: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

grefnet.pl shares some mail servers with other domains, including calimask.com, sellfor5.com, floristschina.com, confatalis.com and ro.ac.th.

these mail servers are often used alongside the mail servers aspmx4.googlemail.com, aspmx5.googlemail.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Host names with two IP numbers:

aspmx2.googlemail.com points to 2a00:1450:400b:c02::1b and 172.253.116.27.

aspmx3.googlemail.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26.

aspmx.l.google.com points to 2607:f8b0:4023:c03::1a and 74.125.137.27.

alt1.aspmx.l.google.com points to 2607:f8b0:4023:100f::1a and 192.178.220.26.

alt2.aspmx.l.google.com points to 2607:f8b0:4003:c30::1a and 74.125.27.27.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
dbq

BOmknsS CF johedugfp 2025-10-07