Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rubiconprograms.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 17:48:18 UTC · ↺ Refresh
MX Hostnames
- rubiconprograms-org.mail.protection.outlook.com
MX Priorities
- rubiconprograms-org.mail.protection.outlook.com: 10
A / AAAA Records
- 104.19.154.92 (no PTR)
Mail Server IPs
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns83.worldnic.com namehost.worldnic.com 125112413 10800 3600 604800 3600
Primary NS (mname)
ns83.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125112413
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns84.worldnic.com
ns83.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:70.36.200.195 include:smtp.mailhop.org -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
5 records- amazon-business-verification=0f53c614543d3d3cd565ef0999203a4756e7f93935962c2439a0663052b74661
- fa3vgv8u0h9c8i85b3ccf60avf
- SPFv=spf1 include:spf.protection.outlook.com ip4:70.36.200.195 include:smtp.mailhop.org -all
- agangs1u2h5d1s7oi2usho7ag1
- MS=ms72977847
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