MXLIST.NET - class4.de
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class4.de checked at 2025-10-17T23:00:57.349Z 384ms 94/94/94 100% R:23class4.de
| NS | ns6.cmo.de | ||||||
| A | 2001:4ce0:0:2::2f 🇩🇪 CMO Internet Dienstleistungen | ||||||
| PTR | ns6.cmo.de | ||||||
| A | 81.90.33.17🇩🇪 CMO Internet Dienstleistungen | ||||||
| PTR | ns6.cmo.de | ||||||
| NS | ns7.cmo.de | ||||||
| A | 2a07:6d40:1:2::66 🇳🇱 SkyLink Data Center | ||||||
| A | 185.150.26.66🇳🇱 SkyLink Data Center | ||||||
| MX | mx0.rt.cmo.de | ||||||
| A | 2001:4ce0:0:2::34 🇩🇪 CMO Internet Dienstleistungen | ||||||
| PTR | smtp5.rt.cmo.de | ||||||
| A | 81.90.33.50🇩🇪 CMO Internet Dienstleistungen | ||||||
| PTR | smtp5.rt.cmo.de | ||||||
| MX | mx1.rt.cmo.de | ||||||
| A | 2001:4ce0:0:2::34 🇩🇪 CMO Internet Dienstleistungen | ||||||
| PTR | smtp5.rt.cmo.de | ||||||
| A | 81.90.33.50🇩🇪 CMO Internet Dienstleistungen | ||||||
| PTR | smtp5.rt.cmo.de | ||||||
| A | 81.90.33.57🇩🇪 CMO Internet Dienstleistungen | ||||||
| PTR | idefix6.rt.cmo.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 | ||||||
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AI analysis
class4.de is parent of smtp.class4.de and imap.class4.de.
class4.de resolves to a single IP address: 81.90.33.57.
Other host names including erbuhb.de, led-shop24.de, mail.stohl.de, nilquader.net and idefix6.rt.cmo.de share IP numbers with class4.de.
class4.de's delegation uses two name servers, ns6.cmo.de and ns7.cmo.de.
class4.de shares the same name server setup as other domains, for example gourmetfactory.de, topzelt.de, beocca.de, bausch-kretschmer.de and macmx.de.
class4.de at least partially shares name servers with other domains; for instance schmidgruppe.de.
Host names with two IPs:
ns6.cmo.de points to: 2001:4ce0:0:2::2f and 81.90.33.17
ns7.cmo.de points to: 2a07:6d40:1:2::66 and 185.150.26.66
class4.de is handled by two mail servers: mx0.rt.cmo.de and mx1.rt.cmo.de.
class4.de shares its mail server setup with other domains, including spqd.de, whackywit.com, udobenz.de, flatserver-pro.com and gasthof-heuschober.de.
The mail servers for class4.de are shared with other domains, for instance vr-bank-ermstal-alb.com, volksbank-ermstal-alb.com, vrbank-ermstal-alb.com, cmo-shop.de and bausch-kretschmer.de.
These mail servers are commonly used alongside cluster8.eu.messagelabs.com and cluster8a.eu.messagelabs.com.
Names with two IPs:
mx0.rt.cmo.de points to 2001:4ce0:0:2::34 and 81.90.33.50.
mx1.rt.cmo.de points to 2001:4ce0:0:2::34 and 81.90.33.50.
Names pointing to 2001:4ce0:0:2::34: mx0.rt.cmo.de and mx1.rt.cmo.de.
Names pointing to 81.90.33.50: mx0.rt.cmo.de and mx1.rt.cmo.de.