WWW.ROBTEX.COM - sendmail.org

Search for IP or hostnames:

sendmail.org checked at 2025-10-06T08:35:17.593Z 238ms 163/163/163 100% R:10

`sendmail.org`

NS	`pdns99.ultradns.biz`
		A	2610:a1:1015::87^{🇺🇸 Neustar}
			PTR	`pdns99.ultradns.biz`
		A	156.154.66.99^{🇺🇸 Neustar}
			PTR	`pdns99.ultradns.biz`
NS	`pdns99.ultradns.com`
		A	2001:502:f3ff::87^{🇺🇸 Neustar}
			PTR	`pdns99.ultradns.com`
		A	156.154.64.99^{🇺🇸 Neustar}
			PTR	`pdns99.ultradns.com`
NS	`pdns99.ultradns.net`
		A	2610:a1:1014::87^{🇺🇸 Neustar}
			PTR	`pdns99.ultradns.net`
		A	156.154.65.99^{🇺🇸 Neustar}
			PTR	`pdns99.ultradns.net`
MX	`mc.sendmail.org`
		A	2600:1f18:3059:9900::112^{🇺🇸 Amazon}
			PTR	`mc.sendmail.org`
		A	50.19.116.123^{🇺🇸 Amazon}
			PTR	`mc.sendmail.org`
NS	`pdns99.ultradns.org`
		A	2001:502:4612::87^{🇺🇸 Neustar}
			PTR	`pdns99.ultradns.org`
		A	156.154.67.99^{🇺🇸 Neustar}
			PTR	`pdns99.ultradns.org`
A	2600:1f18:3059:9900::112^{🇺🇸 Amazon}
		PTR	`mc.sendmail.org`
A	50.19.116.123^{🇺🇸 Amazon}
		PTR	`mc.sendmail.org`

`org`

	NS	`a0.org.afilias-nst.info`
	NS	`a2.org.afilias-nst.info`
	NS	`c0.org.afilias-nst.info`
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`d0.org.afilias-nst.org`

rank #21127 globally
rank #2422 in the tld

Up

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AI analysis

sendmail.org is the parent of mc.sendmail.org and www.sendmail.org.

sendmail.org resolves to two IP numbers: 2600:1f18:3059:9900::112 and 50.19.116.123.

Other host names, for instance, mc.sendmail.org, www.sendmail.org, ec2-50-19-116-123.compute-1.amazonaws.com and www.meta1.org share IP numbers with sendmail.org.

sendmail.org is delegated to four name servers: pdns99.ultradns.biz, pdns99.ultradns.com, pdns99.ultradns.net and pdns99.ultradns.org.

sendmail.org shares some name servers with other domains, for example customlanyards4all.com, vestwise.net, 423a.com, smartbill.com and wheretoshoot.org.

These name servers are commonly used together with ns1.proofpoint.com and ns3.proofpoint.com.

Host names with two IP numbers

Two IPs per host:

pdns99.ultradns.biz points to 2610:a1:1015::87 and 156.154.66.99

pdns99.ultradns.com points to 2001:502:f3ff::87 and 156.154.64.99

pdns99.ultradns.net points to 2610:a1:1014::87 and 156.154.65.99

pdns99.ultradns.org points to 2001:502:4612::87 and 156.154.67.99

sendmail.org is handled by a single mail server, mc.sendmail.org.

sendmail.org uses the same mail server setup as other domains, for example mc.sendmail.org.

mc.sendmail.org resolves to two IPs: 2600:1f18:3059:9900::112 and 50.19.116.123.

dbq