arminstitute.org

Valid Email Server
Domain Lookup › arminstitute.org
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
arminstitute.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 11:29:09 UTC · ↺ Refresh

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MX Hostnames

  • arminstitute.mail.protection.office365.us

MX Priorities

  • arminstitute.mail.protection.office365.us: 0

A / AAAA Records

  • 172.67.211.78 (no PTR)
  • 104.21.23.135 (no PTR)
  • 2606:4700:3034::6815:1787 (no PTR)
  • 2606:4700:3032::ac43:d34e (no PTR)

Mail Server IPs

  • 23.103.199.170 ↩ mail-cy1usg020170.inbound.protection.outlook.com
  • 23.103.199.138 ↩ mail-bn3usg020138.inbound.protection.outlook.com

SOA Record

Raw SOA melinda.ns.cloudflare.com dns.cloudflare.com 2413246314 10000 2400 604800 1800
Primary NS (mname)
melinda.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2413246314
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

roan.ns.cloudflare.com
melinda.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.office365.us include:_spf.salesforce.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

7 records
  • SPFv=spf1 include:spf.protection.office365.us include:_spf.salesforce.com -all
  • MS=ms41163580
  • apple-domain-verification=guz8hsQFe5zRkgq5
  • atlassian-domain-verification=itJDDqZ/0S3s777wkNYPUmOdViyx7WdHUezjAfrPufhOT/2hsnp3FY81Jadt2WZx
  • atlassian-sending-domain-verification=d4630f36-4e2d-48ed-81cc-eb89e900df44
  • docusign=0b8d59bf-d976-4c00-9ad0-b0e0c22c824e
  • google-site-verification=VdmXVCzYh4DF4NdJjwFIUdMjHkK-qBbe-ZeUT5h7c80
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