IPLIST.NET - sdns100.ultradns.com

Search for IP or hostnames:

sdns100.ultradns.com checked at 2025-11-17T23:55:51.493Z 798ms 33/33/33 100% R:6 allDone:true timedOut:false

`sdns100.ultradns.com`

	NS	`pdns196.ultradns.biz`
	NS	`pdns196.ultradns.com`
	NS	`ns61.ultradns2.com`
	NS	`pdns196.ultradns.info`
	NS	`pdns196.ultradns.net`
	NS	`pdns196.ultradns.org`
	NS	`ns61.ultradns2.org`
	NS	`pdns196.ultradns.co.uk`
	MX	`ultradns-com.mail.protection.outlook.com`
	A	156.154.120.140^{🇺🇸 UltraDDoS Protect}

rank #766438 globally
rank #397981 in the tld

100.140.154.156.in-addr.arpa

4.6.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.0.0.1.1.a.0.0.0.1.6.2.ip6.arpa

optpg.com

For optpg.com, sdns100.ultradns.com is used as a name server.

sdns100.ultradns.com points to two IP numbers: 2610:a1:1001::64 and 156.154.140.100.

dbq