MXLIST.NET - useful.com

Search for IP or hostnames:

useful.com checked at 2025-10-13T09:52:19.189Z 312ms 100/100/100 100% R:16

`useful.com`

NS	`a.ns.facebook.com`
		A	2a03:2880:f0fc:c:face:b00c:0:35 ^{🇺🇸 Facebook}
			PTR	`a.ns.facebook.com`
		A	129.134.30.12^{🇺🇸 Facebook}
			PTR	`a.ns.facebook.com`
NS	`b.ns.facebook.com`
		A	2a03:2880:f0fd:c:face:b00c:0:35 ^{🇺🇸 Facebook}
			PTR	`b.ns.facebook.com`
		A	129.134.31.12^{🇺🇸 Facebook}
			PTR	`b.ns.facebook.com`
NS	`c.ns.facebook.com`
		A	2a03:2880:f1fc:c:face:b00c:0:35 ^{🇺🇸 Facebook}
			PTR	`c.ns.facebook.com`
		A	185.89.218.12^{🇮🇱 Facebook}
			PTR	`c.ns.facebook.com`
NS	`d.ns.facebook.com`
		A	2a03:2880:f1fd:c:face:b00c:0:35 ^{🇺🇸 Facebook}
			PTR	`d.ns.facebook.com`
		A	185.89.219.12^{🇮🇱 Facebook}
			PTR	`d.ns.facebook.com`
MX	`smtpin.vvv.facebook.com`
		A	2a03:2880:ff:fffd:face:b00c:0:686e ^{🇺🇸 Facebook}
			PTR	`msgin-regional6-shv-01-rprn0.facebook.com`
		A	173.252.87.251^{🇺🇸 Facebook}
			PTR	`msgin-regional-shv-01-rftw0.facebook.com`
A	2a03:2880:f003:c07:face:b00c:0:2 ^{🇺🇸 Facebook}
		PTR	`edge-star6-shv-01-iad3.facebook.com`
A	31.13.66.4^{🇺🇸 Facebook}
		PTR	`edge-star-shv-01-iad3.facebook.com`

`com`

	NS	`a.gtld-servers.net`
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`

Up

www.useful.com

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Starts similarily

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AI analysis

useful.com is the parent of www.useful.com.

useful.com points to two IPs: 2a03:2880:f003:c07:face:b00c:0:2 and 31.13.66.4.

Other host names including fbquestions.org, facebok.mx, fbdocs.com, facebook-support.org and facebooksecurityalerts.com share IP numbers with useful.com.

useful.com is delegated to four name servers: a.ns.facebook.com, b.ns.facebook.com, c.ns.facebook.com and d.ns.facebook.com.

useful.com at least partially shares name servers with other domains, including instagramlogin.de, facebook.cars, facebookmail.me, oculus.cool and freefacebook.co.

Hosts with two IP numbers:

Host a.ns.facebook.com points to 2a03:2880:f0fc:c:face:b00c:0:35 and 129.134.30.12

Host b.ns.facebook.com points to 2a03:2880:f0fd:c:face:b00c:0:35 and 129.134.31.12

Host c.ns.facebook.com points to 2a03:2880:f1fc:c:face:b00c:0:35 and 185.89.218.12

Host d.ns.facebook.com points to 2a03:2880:f1fd:c:face:b00c:0:35 and 185.89.219.12

useful.com is handled by a single mail server, smtpin.vvv.facebook.com.

useful.com shares its mail server setup with other domains, including campus.facebook.com, work.facebook.com, facebook.com, support.oculus.com and facebookmail.com.

smtpin.vvv.facebook.com points to two IPs: 2a03:2880:ff:fffd:face:b00c:0:686e and 173.252.87.251.

dbq