Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sactocu.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 18:56:47 UTC · ↺ Refresh
MX Hostnames
- sactocu-org.mail.eo.outlook.com
MX Priorities
- sactocu-org.mail.eo.outlook.com: 10
A / AAAA Records
- 141.193.213.10 (no PTR)
- 141.193.213.11 (no PTR)
Mail Server IPs
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.he.net hostmaster.he.net 2026033002 86400 7200 3600000 172800
Primary NS (mname)
ns1.he.net
Admin Email (rname)
hostmaster@he.net
Serial
2026033002
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
172800s
Nameservers (NS)
ns4.he.net
ns1.he.net
ns3.he.net
ns5.he.net
ns2.he.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:68.153.60.0/22 ip4:139.131.200.0/23 ip4:68.171.150.128/26 a:monitor.ensenta.com include:spf.protection.outlook.com include:emsd1.com include:spf.cashedge.com include:sendgrid.net include:spfref.jackhenry.com include:gateways.firstdata.com include:spf.digitalinsight.com ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; ruf=mailto:[email protected]; rua=mailto:[email protected]; fo=1; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._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- google-site-verification=WL5V0SCar752GlAAtVkqD8AeR9o2PHbZTDOdYOfQuHw
- google-site-verification=9_jDG2y8IVgJOfS3yhNl18IFA3RW8bnT_G0zw4YEz2g
- _oay3zw6gjda5dzkcg3z079ilydw63e6
- duo_sso_verification=jIGaoMQmQOuCAdSG702g9YABhYq4TQUyu46UMBvWXPyGji0vwXNowYoLifZkvXE7
- 7XMOYhqedeLBQN5xDJ+H8JG/QZIL4p7pa5Aewrv3yw8Lvc4azmtfw3xH8QWA+BeSrvRh76SxTalRspztuQV0FA==
- _61x6d09prqksp3tzomx84q2lhd1jxea
- apple-domain-verification=RoMLbR_aiLk_WXhF-u6z4Xexl-S9xTTI0MKsI0P4ilI
- SPFv=spf1 ip4:68.153.60.0/22 ip4:139.131.200.0/23 ip4:68.171.150.128/26 a:monitor.ensenta.com include:spf.protection.outlook.com include:emsd1.com include:spf.cashedge.com include:sendgrid.net include:spfref.jackhenry.com include:gateways.firstdata.com include:spf.digitalinsight.com ~all
- MS=F11F6FC8CD67695C3500423B4C0F0A70A52C7B69
- flp3d94zglxb8w8bgmy6vtjrwq3z2232
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for sactocu.org
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits