21stcb.com - robtex.com
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21stcb.com checked at 2026-01-19T16:52:03.450Z 766ms 101/101/101 100% R:16 allDone:true timedOut:false cfaller:8f76167a/23:b5598a42:6:19889:-:-:-21stcb.com
| NS | a1.uberns.com | ||||||
| A | 2602:ffe2:53::1🇺🇸 TUT-AS | ||||||
| PTR | a1.uberns.com | ||||||
| A | 216.59.59.1🇺🇸 TUT-AS | ||||||
| PTR | a1.uberns.com | ||||||
| NS | b1.uberns.com | ||||||
| A | 216.59.60.1 TUT-AS | ||||||
| PTR | b1.uberns.com | ||||||
| MX | 21stcb-com.mail.protection.outlook.com | ||||||
| A | 2a01:111:f403:c92c::1🇺🇸 Microsoft | ||||||
| PTR | mail-dm6pr03cu00401.inbound.protection.outlook.com | ||||||
| A | 2a01:111:f403:c936::🇺🇸 Microsoft | ||||||
| PTR | mail-cy1pr05cu00400.inbound.protection.outlook.com | ||||||
| A | 2a01:111:f403:c946::4🇺🇸 Microsoft | ||||||
| PTR | mail-ch0pr04cu00504.inbound.protection.outlook.com | ||||||
| A | 2a01:111:f403:f804::1🇺🇸 Microsoft | ||||||
| PTR | mail-co1pr05cu00301.inbound.protection.outlook.com | ||||||
| A | 52.101.11.7🇺🇸 Microsoft | ||||||
| PTR | mail-sa9pr04cu00107.inbound.protection.outlook.com | ||||||
| A | 52.101.40.0🇺🇸 Microsoft | ||||||
| PTR | mail-cy5pr03cu00300.inbound.protection.outlook.com | ||||||
| A | 52.101.41.26🇺🇸 Microsoft | ||||||
| PTR | mail-sj0pr03cu01702.inbound.protection.outlook.com | ||||||
| A | 52.101.194.13🇺🇸 Microsoft | ||||||
| PTR | mail-ch0pr04cu00605.inbound.protection.outlook.com | ||||||
| A | 192.124.249.2🇺🇸 SUCURI-SEC | ||||||
| PTR | cloudproxy10002.sucuri.net | ||||||
com
Starts with same word
21stcb.com |
Starts similarily
21stcb.com |
AI analysis
21stcb.com points to a single IP: 192.124.249.2.
Other host names, for instance animityhealth.com, latm.org, streamlinedesigns.com, donjohnston.com and en-tire.com share IP numbers with 21stcb.com.
Two name servers a1.uberns.com and b1.uberns.com handle delegation for 21stcb.com.
21stcb.com uses the same name server setup as other domains, for example alvarezandmarsalasia.com, aplixinc.com, rogersinternallines.ca, stanleyassociates.com and amcaptiva.net.
21stcb.com partially shares name servers with other domains; examples include labelrack.com, 46.162.205.in-addr.arpa, tradingtechnologies.com.sg, gallowayprecision.com and stokecityfc.com.
These name servers are commonly used alongside a1.uberns.net, b1.uberns.net, b1.uberns.org, edns142.ultradns.biz, edns142.ultradns.com, edns142.ultradns.net, edns142.ultradns.org, a1.uberns.co.uk, a1.uberns.org and b1.uberns.info.
Host names with two IP numbers:
The host name a1.uberns.com points to 2602:ffe2:53::1 and 216.59.59.1.
Host names with one IP number:
The host name b1.uberns.com points to 216.59.60.1.
21stcb.com is handled by a single mail server, 21stcb-com.mail.protection.outlook.com.
Hostname 21stcb-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c92c::1, 2a01:111:f403:c936::, 2a01:111:f403:c946::4, 2a01:111:f403:f804::1, 52.101.11.7, 52.101.40.0, 52.101.41.26 and 52.101.194.13.