Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
grdominicans.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 02:40:01 UTC · ↺ Refresh
MX Hostnames
- grdominicans-org.mail.protection.outlook.com
MX Priorities
- grdominicans-org.mail.protection.outlook.com: 0
A / AAAA Records
- 162.159.135.42 (no PTR)
Mail Server IPs
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-35.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-35.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-35.azure-dns.net
ns3-35.azure-dns.org
ns4-35.azure-dns.info
ns1-35.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:216.250.151.36 ip4:207.242.239.186 ip4:216.250.151.34 include:spf.protection.outlook.com include:_spf.intacct.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
6 records- ca3-6f8ec442827641babcc5c77aef2a5e5a
- intacct-esk=C4869C09B2808691E0539A220D0AD324
- duo_sso_verification=98GZtfzz5EBXfWgyP9HOfJZOdJRwwvvAvCiGzYT62a31Sy3cuury5XZoUtkcOo6G
- atlassian-domain-verification=k4XnMhr3/ZfqSr/46WOodFzO/PQqihkJ7j4Dv7onr4OzHrJJEGXNVDCsSxcvsxNu
- SPFv=spf1 ip4:216.250.151.36 ip4:207.242.239.186 ip4:216.250.151.34 include:spf.protection.outlook.com include:_spf.intacct.com -all
- g7mg7h6l5ne78t1jlc4qcmnkj
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 grdominicans.org
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits