rubix.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
rubix.com
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-19 23:55:49 UTC ยท โ†บ Refresh

MX Hostnames

  • rubix-com.mail.protection.outlook.com

MX Priorities

  • rubix-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 85.92.92.58 โ†ฉ rb01.rubix.com

Mail Server IPs

  • 52.101.68.3 โ†ฉ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.73.22 โ†ฉ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 52.101.73.28 โ†ฉ mail-am7pr05cu00204.inbound.protection.outlook.com
  • 52.101.68.16 โ†ฉ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 โ†ฉ mail-as8pr04cu00801.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c โ†ฉ mail-as8pr05cu00304.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::d โ†ฉ mail-as9pr05cu01305.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 โ†ฉ mail-dbapr03cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.eurodns.com hostmaster.eurodns.com 2026031800 43200 7200 1209600 86400
Primary NS (mname)
ns1.eurodns.com
Admin Email (rname)
hostmaster@eurodns.com
Serial
2026031800
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns4.eurodns.com
ns1.eurodns.com
ns2.eurodns.com
ns3.eurodns.com

SPF Record

โœ“ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf1.rubix.com ip4:185.13.86.30 ip4:62.159.210.20 ip4:89.185.150.160 ip4:46.105.51.195 ip4:51.163.158.0/24 ip4:194.104.109.0/24 ip4:194.104.111.0/24 ip4:194.104.110.21/32 ip4:194.104.110.240/28 ip4:62.140.10.21/32 ip4:62.140.7.0/24 ip4:194.104.108.240/29 ip4:194.104.108.21/32 include:mail.zendesk.com include:_spf.esi-sa.com include:turbo-smtp.com include:_spf.wise.is -all
๐Ÿ“Š DNS lookups: 6/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ“ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 3 found
selector1._domainkey
selector2._domainkey
mail._domainkey
โœ“ Public key: 392 chars (valid)
โœ“ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

8 records
  • docusign=9eb0cc85-e64f-4543-ba7e-b268e772a63a
  • docusign=d778c935-e378-4f00-bd4b-d2ae3c1de1a6
  • M58GR37BD9
  • SPFv=spf1 include:spf.protection.outlook.com include:spf1.rubix.com ip4:185.13.86.30 ip4:62.159.210.20 ip4:89.185.150.160 ip4:46.105.51.195 ip4:51.163.158.0/24 ip4:194.104.109.0/24 ip4:194.104.111.0/24 ip4:194.104.110.21/32 ip4:194.104.110.240/28 ip4:62.140.10.21/32 ip4:62.140.7.0/24 ip4:194.104.108.240/29 ip4:194.104.108.21/32 include:mail.zendesk.com include:_spf.esi-sa.com include:turbo-smtp.com include:_spf.wise.is -all
  • google-site-verification=FWaZMEm-Unr-Nf8hdV8z3SPIeQe2qCQLy-cZMvoDKn4
  • atlassian-domain-verification=gW1QO100fsub1/ZnYeaYaMD/uA2qLMbMTuD3q9Jro4jAZeERMPgjoXvAVhPJxxqE
  • teamviewer-sso-verification=02be33a378104bafa0149b3693c61cbc
  • sendinblue-code:483e39f3f79fb97b6ca293836a514caf
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