Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rubiconglobal.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 06:22:00 UTC · ↺ Refresh
MX Hostnames
- rubiconglobal-com.mail.protection.outlook.com
MX Priorities
- rubiconglobal-com.mail.protection.outlook.com: 0
A / AAAA Records
- 23.185.0.4 (no PTR)
Mail Server IPs
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1512.awsdns-61.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1512.awsdns-61.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-928.awsdns-52.net
ns-1512.awsdns-61.org
ns-1812.awsdns-34.co.uk
ns-433.awsdns-54.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:mailgun.org include:aspmx.pardot.com include:spf.ess.barracudanetworks.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- SPFv=spf1 include:spf.protection.outlook.com include:mailgun.org include:aspmx.pardot.com include:spf.ess.barracudanetworks.com ~all
- CMDgQu3n5QCOrltOOZmLTQPmH78bnIuKk+56pUIa39lUGcD5vq52ZWHeNGJHho/X1qTsrNEDawEWFEXj0NpK7A==
- MS=ms49844641
- atlassian-domain-verification=1CSWELpKKIg7rywuukWGH2dMgIhIrq9nuYA0W4Nlq/5/WJRiZ8YID96xep9MShqq
- docusign=beac6173-e83b-4c36-9eec-421872ebf332
- google-site-verification=BgHbJeZN1eRLF2YOOp6owyo87FsGkWtzFjONhIQ6PR0
- google-site-verification=q6feNbPGpWAkGt0VDdQeZ-lqENU5m_DS1l1RWCrFp5c
- google-site-verification=zoHz7ngNSOeySY-ym0tuqYugUGGIei2ehehc8t7evDg
- pardot_263882_*=79b62a1552fd11462e6b627a0fda53c87d33f1f40d86b8457bec1316471be75f
- v=msv1 t=499D3AE5-0991-4667-83EF-C7489B5E2CE5
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