WWW.RTSAK.COM - core.blue

Search for IP or hostnames:

core.blue checked at 2025-09-07T05:40:28.882Z 212ms 84/84/84 100% R:13

`core.blue`

MX	`mx00.udag.de`
		A	62.146.106.39^{🇩🇪 NorthC Germany}
			PTR	`mx00.udag.de`
MX	`mx01.udag.de`
		A	62.146.106.40^{🇩🇪 NorthC Germany}
			PTR	`mx01.udag.de`
NS	`ns.udag.de`
		A	2001:8d8:fe:53:217:160:80:253 ^{🇩🇪 IONOS SE}
			PTR	`ns.udag.de`
		A	217.160.80.253^{🇩🇪 IONOS SE}
			PTR	`ns.udag.de`
NS	`ns.udag.net`
		A	2607:f1c0:fe:53:185:132:33:253 ^{🇺🇸 IONOS-Anycast}
			PTR	`ns.udag.net`
		A	185.132.33.253^{🇩🇪 IONOS-Anycast}
			PTR	`ns.udag.net`
NS	`ns.udag.org`
		A	2607:f1c0:fe:53:185:132:34:253 ^{🇺🇸 IONOS-Anycast}
			PTR	`ns.udag.org`
		A	185.132.34.253^{🇩🇪 IONOS-Anycast}
			PTR	`ns.udag.org`
A	172.104.129.245^{🇩🇪 Linode AS63949}
		PTR	`172-104-129-245.ip.linodeusercontent.com`

`blue`

	NS	`a0.nic.blue`
	NS	`a2.nic.blue`
	NS	`b0.nic.blue`
	NS	`b2.nic.blue`
	NS	`c0.nic.blue`

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AI analysis

core.blue points to a single IP address: 172.104.129.245.

For example, IP numbers are shared between 172-104-129-245.ip.linodeusercontent.com and other host names like core.blue.

Three name servers, ns.udag.de, ns.udag.net, and ns.udag.org, are delegated to core.blue.

The domain core.blue shares its name servers at least partially with other domains such as onreef.org, strommer.de, meyer-hosen-ag.de, onpower.de, and crypto-textbook.com.

ns.udag.de, ns.udag.net, and ns.udag.org each point to two IP numbers respectively: 2001:8d8:fe:53:217:160:80:253 and 217.160.80.253, 2607:f1c0:fe:53:185:132:33:253 and 185.132.33.253, 2607:f1c0:fe:53:185:132:34:253 and 185.132.34.253.

The handling of core.blue is managed by two mail servers, namely mx00.udag.de and mx01.udag.de.

Just like the domains ecamperadria.com, adis-ag.de, hyerline.com, jmaxis.com, and tischbock.de, core.blue also has the same mail server setup.

mx00.udag.de and mx01.udag.de both point to individual IP numbers: 62.146.106.39 and 62.146.106.40 respectively.

dbq