ROBTEX.COM - rs21-io.mail.protection.outlook.com
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rs21-io.mail.protection.outlook.com checked at 2025-12-16T16:20:12.049Z 1659ms 60/60/60 100% R:14 allDone:true timedOut:false rs21-io.mail.protection.outlook.com
| A | 2a01:111:f403:c927::1🇺🇸 Microsoft | ||||||
| PTR | mail-bn8pr05cu00301.inbound.protection.outlook.com | ||||||
| A | 2a01:111:f403:f802::1🇺🇸 Microsoft | ||||||
| PTR | mail-sj2pr05cu00101.inbound.protection.outlook.com | ||||||
| A | 2a01:111:f403:f805::1🇺🇸 Microsoft | ||||||
| PTR | mail-co1pr03cu00301.inbound.protection.outlook.com | ||||||
| A | 2a01:111:f403:f907::1🇺🇸 Microsoft | ||||||
| PTR | mail-dm1pr04cu00201.inbound.protection.outlook.com | ||||||
| A | 52.101.9.14🇺🇸 Microsoft | ||||||
| PTR | mail-bl0pr03cu00206.inbound.protection.outlook.com | ||||||
| A | 52.101.10.2🇺🇸 Microsoft | ||||||
| PTR | mail-bn8pr03cu00202.inbound.protection.outlook.com | ||||||
| A | 52.101.11.9🇺🇸 Microsoft | ||||||
| PTR | mail-sn1pr02cu00101.inbound.protection.outlook.com | ||||||
| A | 52.101.41.4🇺🇸 Microsoft | ||||||
| PTR | mail-sj2pr05cu00204.inbound.protection.outlook.com | ||||||
mail.protection.outlook.com
MX for
AI analysis
rs21-io.mail.protection.outlook.com serves as the mail server for rs21.io.
rs21-io.mail.protection.outlook.com points to the following eight IP numbers: 2a01:111:f403:c927::1, 2a01:111:f403:f802::1, 2a01:111:f403:f805::1, 2a01:111:f403:f907::1, 52.101.9.14, 52.101.10.2, 52.101.11.9 and 52.101.41.4.
Other host names, for instance maxsent-com.mail.protection.outlook.com, b2bstaffingservices-com.mail.protection.outlook.com, massinsight-com.mail.protection.outlook.com, klarmanfoundation-org.mail.protection.outlook.com and omd-co-nz.mail.protection.outlook.com share IP numbers with rs21-io.mail.protection.outlook.com.