rubix-group.com

Valid Email Server
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
rubix-group.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 09:58:13 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • rubixgroup-com01c.mail.protection.outlook.com

MX Priorities

  • rubixgroup-com01c.mail.protection.outlook.com: 10

A / AAAA Records

  • 51.144.250.192 (no PTR)

Mail Server IPs

  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.91.153 ↩ mail-matpr04cu00101.inbound.protection.outlook.com
  • 52.101.91.162 ↩ mail-matpr04cu00302.inbound.protection.outlook.com
  • 52.101.209.28 ↩ mail-cpjpr05cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::c ↩ mail-miypr03cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::10 ↩ mail-miypr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.eurodns.com hostmaster.eurodns.com 2026082000 43200 7200 1209600 86400
Primary NS (mname)
ns1.eurodns.com
Admin Email (rname)
hostmaster@eurodns.com
Serial
2026082000
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

✓ Strict (-all)
v=spf1 ip4:194.74.198.18 ip4:194.74.198.19 ip4:194.74.198.40 ip4:91.102.116.140 ip4:194.105.232.27 ip4:79.171.96.117 ip4:194.39.164.133 ip4:185.43.216.94 ip4:79.171.97.166 ip4:193.26.118.129 ip4:193.26.116.129 ip4:4.251.107.87 include:spf.protection.outlook.com include:zitec.de include:_spf.vist.is include:o1.app-mail.ccl-logistics.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

6 records
  • google-site-verification=LKQ8BExrV2tZGjxLubN-u9-AttO7qVWRqyzYPDIqmx0
  • E47RD83OG2
  • SPFv=spf1 ip4:194.74.198.18 ip4:194.74.198.19 ip4:194.74.198.40 ip4:91.102.116.140 ip4:194.105.232.27 ip4:79.171.96.117 ip4:194.39.164.133 ip4:185.43.216.94 ip4:79.171.97.166 ip4:193.26.118.129 ip4:193.26.116.129 ip4:4.251.107.87 include:spf.protection.outlook.com include:zitec.de include:_spf.vist.is include:o1.app-mail.ccl-logistics.com -all
  • atlassian-domain-verification=gW1QO100fsub1/ZnYeaYaMD/uA2qLMbMTuD3q9Jro4jAZeERMPgjoXvAVhPJxxqE
  • FCZNPBXRMC
  • MS=ms33861847
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site · Customize →
See demo & docs
Deep verification
Full email verification for rubix-group.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits