NSLIST.NET - theorem.biz

Search for IP or hostnames:

theorem.biz checked at 2025-11-29T07:18:26.680Z 205ms 87/87/87 100% R:12 allDone:true timedOut:false

`theorem.biz`

NS	`ns4.bb-online.biz`
		A	91.238.194.4^{🇺🇦 BudgetD}
			PTR	`ns4.bb-online.biz`
NS	`ns3.bb-online.info`
		A	46.253.129.1^{🇬🇧 BuyLtd}
			PTR	`ns3.bb-online.info`
			PTR	`ns3.bb-online.uk`
			PTR	`brain.bb-online.co.uk`
NS	`ns1.bb-online.net`
		A	185.206.123.1^{🇬🇧 bbonline}
			PTR	`ns1.bb-online.net`
NS	`ns2.bb-online.org`
		A	81.30.104.2^{🇩🇪 DomainR}
			PTR	`ns2.bb-online.org`
MX	`mail1.bb-online.co.uk`
		A	136.244.76.63^{🇬🇧 AS-VULTR}
			PTR	`mail1.bb-online.co.uk`
MX	`mail2.bb-online.co.uk`
		A	45.77.226.139^{🇬🇧 AS-VULTR}
			PTR	`mail2.bb-online.co.uk`
MX	`mail4.bb-online.co.uk`
		A	108.61.173.17^{🇬🇧 AS-VULTR}
			PTR	`mail4.bb-online.co.uk`
A	20.68.121.193^{🇬🇧 Microsoft}

`biz`

	NS	`a.gtld.biz`
	NS	`b.gtld.biz`
	NS	`c.gtld.biz`
	NS	`m.gtld.biz`
	NS	`n.gtld.biz`
	NS	`w.gtld.biz`
	NS	`x.gtld.biz`
	NS	`y.gtld.biz`

Starts with same word

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Starts similarily

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AI analysis

theorem.biz resolves to a single IP address: 20.68.121.193.

theorem.biz is delegated to four name servers: ns4.bb-online.biz, ns3.bb-online.info, ns1.bb-online.net and ns2.bb-online.org.

theorem.biz at least partially shares name servers with other domains, including reportex.co.uk, sistem-technology.com, merries.es, reyl.it and elmonterv.de.

These name servers are often used together with ns3.bb-online.uk.

Hostnames with a single IP:

ns4.bb-online.biz points to 91.238.194.4

ns3.bb-online.info points to 46.253.129.1

ns1.bb-online.net points to 185.206.123.1

ns2.bb-online.org points to 81.30.104.2

theorem.biz is handled by three mail servers: mail1.bb-online.co.uk, mail2.bb-online.co.uk and mail4.bb-online.co.uk.

The mail servers for theorem.biz are shared with other domains, for instance gownhire.ie, unibusyork.co.uk, kpaton.com, nominate.se and nominate.ro.

these mail servers are commonly used alongside the mail servers mail3.bb-online.co.uk.

Hostnames with a single IP:

mail1.bb-online.co.uk points to: 136.244.76.63.

mail2.bb-online.co.uk points to: 45.77.226.139.

mail4.bb-online.co.uk points to: 108.61.173.17.