WWW.RTSAK.COM - os4y.de
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os4y.de checked at 2025-10-31T12:11:16.000Z 288ms 105/105/105 100% R:12os4y.de
| MX | os4y.de | ||||||
| A | 2a01:239:38c:cd00::1 🇩🇪 IONOS-AS | ||||||
| PTR | mail.os4y.de | ||||||
| A | 217.154.242.49🇬🇧 IONOS-AS | ||||||
| PTR | mail.os4y.de | ||||||
| MX | mail.os4y.de | ||||||
| A | 2a01:239:38c:cd00::1 🇩🇪 IONOS-AS | ||||||
| PTR | mail.os4y.de | ||||||
| A | 217.154.242.49🇬🇧 IONOS-AS | ||||||
| PTR | mail.os4y.de | ||||||
| MX | relay.rzone.de | ||||||
| A | 81.169.145.96🇩🇪 STRATO | ||||||
| PTR | relay.rzone.de | ||||||
| NS | ns3.stratoserver.net | ||||||
| A | 2607:f1c0:fe:53:185:132:34:159 🇺🇸 IONOS-ANYCAST | ||||||
| PTR | ns3.stratoserver.net | ||||||
| A | 185.132.34.159🇩🇪 IONOS-ANYCAST | ||||||
| PTR | ns3.stratoserver.net | ||||||
| NS | ns4.stratoserver.net | ||||||
| A | 2001:8d8:fe:53:5747:2a74:d:32 🇩🇪 IONOS-AS | ||||||
| PTR | ns4.stratoserver.net | ||||||
| A | 217.160.80.159🇩🇪 IONOS-AS | ||||||
| PTR | ns4.stratoserver.net | ||||||
| A | 2a01:239:38c:cd00::1 🇩🇪 IONOS-AS | ||||||
| PTR | mail.os4y.de | ||||||
| A | 217.154.242.49🇬🇧 IONOS-AS | ||||||
| PTR | mail.os4y.de | ||||||
de
| NS | a.nic.de | ||||||
| NS | f.nic.de | ||||||
| NS | z.nic.de | ||||||
| NS | l.de.net | ||||||
| NS | n.de.net | ||||||
| NS | s.de.net | ||||||
MX for
Up
| mail.os4y.de | 
Starts with same word
| os4y.de | 
Starts similarily
AI analysis
os4y.de is the parent of mail.os4y.de.
os4y.de serves as a mail server for mail.os4y.de and os4y.de.
mail.os4y.de and relay.rzone.de are commonly used as mail servers alongside os4y.de.
os4y.de resolves to two IP numbers: 2a01:239:38c:cd00::1 and 217.154.242.49.
Other host names, for instance mail.os4y.de, share IP numbers with os4y.de. 
os4y.de is delegated to two name servers ns3.stratoserver.net and ns4.stratoserver.net.
os4y.de shares the same name server setup as other domains, for instance hausen-tc.de, abctravel.org, pferdekerl.de, tyre-world.org and thomas-photography.de. 
Host names with two IP numbers:
The host name ns3.stratoserver.net points to 2607:f1c0:fe:53:185:132:34:159 and 185.132.34.159; the host name ns4.stratoserver.net points to 2001:8d8:fe:53:5747:2a74:d:32 and 217.160.80.159.
os4y.de is handled by three mail servers: os4y.de, mail.os4y.de and relay.rzone.de.
os4y.de shares some mail servers with other domains, at least partially, for instance mainfranken-logistik.de, mail.merkx-girod.nl, breimannbruun.de, steuerberater-simpfendoerfer.de and newdot.digital.
These mail servers are commonly used alongside aspmx.l.google.com and alt1.aspmx.l.google.com. 
Host names with two IPs:
os4y.de points to 2a01:239:38c:cd00::1 and 217.154.242.49
mail.os4y.de points to 2a01:239:38c:cd00::1 and 217.154.242.49
Host names with a single IP:
relay.rzone.de points to 81.169.145.96
Host names that point to 2a01:239:38c:cd00::1:
Host names that point to 217.154.242.49: