CF1760916755818-tsm20251017082432

IPLIST.NET - as4u.org

Search for IP or hostnames:

as4u.org checked at 2025-10-19T23:32:35.794Z 2445ms 87/87/87 100% R:26

as4u.org

NSns.as4u.cz
A2a01:28:ca:72::100:250 πŸ‡¨πŸ‡Ώ SH.cz
PTRns.as4u.cz
PTRns-02.as4u.org
A88.86.100.250πŸ‡¨πŸ‡Ώ SH.cz
NSns.district9.cz
MXmx1.as4u.org
A2620:101:2011:300::21 πŸ‡ΊπŸ‡Έ CISCO-2
A2620:101:2012:300::20 πŸ‡ΊπŸ‡Έ CISCO-2
A23.90.105.186πŸ‡ΊπŸ‡Έ CISCO-2
A23.90.110.118πŸ‡ΊπŸ‡Έ CISCO-2
MXmx2.as4u.org
NSns.as4u.org
A2a01:28:ca:72::100:200 πŸ‡¨πŸ‡Ώ SH.cz
PTRns-01.as4u.org
PTRns.as4u.org
A88.86.100.200πŸ‡¨πŸ‡Ώ SH.cz
A2a01:28:ca:72::100:195 πŸ‡¨πŸ‡Ώ SH.cz
PTRlba.as4u.org

org

NSa0.org.afilias-nst.info
NSa2.org.afilias-nst.info
NSc0.org.afilias-nst.info
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSd0.org.afilias-nst.org

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Starts with same word

Starts similarily

AI analysis

as4u.org is a parent of jh.as4u.org, lbc.as4u.org, mx2.as4u.org, mail2.as4u.org, jicin.as4u.org and a few other host names.

as4u.org resolves to a single IP address: 2a01:28:ca:72::100:195.

Other host names including hkregion.eu, euroregiontour.cz, www.mestolysa.cz, zapadni-cechy.cz and muzeumlitovel.cz share IP numbers with as4u.org.

as4u.org is delegated to three name servers: ns.as4u.cz, ns.district9.cz and ns.as4u.org.

as4u.org at least partially shares name servers with other domains, including ece-group.com, virgin-sail.com, zlinsky-kraj.com, booking-system.eu and 2.7.0.0.a.c.0.0.8.2.0.0.1.0.a.2.ip6.arpa.

These name servers are often used together with ns.forpsi.net.

Host names with two IPs:

ns.as4u.cz points to: 2a01:28:ca:72::100:250 and 88.86.100.250

ns.as4u.org points to: 2a01:28:ca:72::100:200 and 88.86.100.200

as4u.org is handled by two mail servers: mx1.as4u.org and mx2.as4u.org.

Four IP numbers per host:

mx1.as4u.org has four IPs: 2620:101:2011:300::21, 2620:101:2012:300::20, 23.90.105.186 and 23.90.110.118.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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iRgBEHM CF johedugfp 2025-10-19