Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
casas.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-03 15:41:15 UTC · ↺ Refresh
MX Hostnames
- feedback-smtp.eu-west-1.amazonses.com
- casas-org.mail.protection.outlook.com
MX Priorities
- casas-org.mail.protection.outlook.com: 5
- feedback-smtp.eu-west-1.amazonses.com: 10
A / AAAA Records
- 20.120.214.215
Mail Server IPs
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 18.200.42.95 ↩ ec2-18-200-42-95.eu-west-1.compute.amazonaws.com
- 34.250.195.198 ↩ ec2-34-250-195-198.eu-west-1.compute.amazonaws.com
- 34.243.41.226
SOA Record
Raw SOA
ns2.no-ip.com hostmaster.no-ip.com 2006071934 10800 1800 604800 1800
Primary NS (mname)
ns2.no-ip.com
Admin Email (rname)
hostmaster@no-ip.com
Serial
2006071934
Refresh
10800s
Retry
1800s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns2.no-ip.com
ns1.no-ip.com
ns3.no-ip.com
ns4.no-ip.com
ns5.no-ip.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.mailersend.net include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:sendgrid.net ip4:12.9.177.10 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; aspf=s; adkim=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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- casashq.onmicrosoft.com
- ZOOM_verify_pKjAlTyI8of3rTKgzkiB64
- amazonses:Uom7+77kP9HQ8u5oZlceWLZZc/cDa/eDg6QbDDt012c=
- MS=ms59849402
- SPFv=spf1 include:_spf.mailersend.net include:spf.protection.outlook.com include:_spf.psm.knowbe4.com include:sendgrid.net ip4:12.9.177.10 -all
Full email verification for casas.org
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