Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
simusa.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 02:07:35 UTC · ↺ Refresh
MX Hostnames
- simusa-org.mail.protection.outlook.com
MX Priorities
- simusa-org.mail.protection.outlook.com: 0
A / AAAA Records
- 98.85.165.172 ↩ ec2-98-85-165-172.compute-1.amazonaws.com
- 44.215.53.219 ↩ ec2-44-215-53-219.compute-1.amazonaws.com
- 100.25.180.17
- 18.209.82.250
Mail Server IPs
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-435.awsdns-54.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-435.awsdns-54.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1475.awsdns-56.org
ns-1593.awsdns-07.co.uk
ns-435.awsdns-54.com
ns-778.awsdns-33.net
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com include:sendgrid.net include:spf.crm.virtuoussoftware.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
12 records- mg9kr5v30gn420swg9yb9rpx53vdl970
- SPFv=spf1 mx include:spf.protection.outlook.com include:sendgrid.net include:spf.crm.virtuoussoftware.com -all
- 2r8y0qvl22v67y9x968tw58bcsnwdldb
- MS=ms84513457
- MS=ms95088514
- U80EEmwlG+rpox10b6Cm9/crV1YtYjmPfG0mO1e2a9iBxurV2vn6z3y23NcjOmglkV4tTFcbdcPOpmKILENgcw==
- _2e5y0eagiu4ysjtend326pem33dsba8
- _aafjvsx16lj1yjuo6gtvafjwxhkym25
- _d8zbeh3hmzclj0rtj0nzocab1pu6bo7
- google-site-verification=rhpKkkoyPDIOaTGMLxaTtC93qj1Sh5qr78KAnjFZQkE
- k0rb4ljt54v8fnqyhhzd40nqf4ww41s5
- ltbyw1p1fj1rq1ktfjsfcvx5z2h3yr0m
Full email verification for simusa.org
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits