Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dynex.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 00:27:55 UTC · ↺ Refresh
MX Hostnames
- dynex-com.mail.protection.outlook.com
MX Priorities
- dynex-com.mail.protection.outlook.com: 0
A / AAAA Records
- 20.51.235.207 (no PTR)
Mail Server IPs
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns17.worldnic.com namehost.worldnic.com 126021815 10800 3600 604800 3600
Primary NS (mname)
ns17.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126021815
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns17.worldnic.com
ns18.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:docebosaas.com include:39782142.spf10.hubspotemail.net include:_spf.salesforce.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; pct=100; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
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
5 records- ca3-a42734ae40704d46a4f8f861fcfc972e
- apple-domain-verification=X9BboatoMzVKrhuS
- 400fde42-b28a-38d3-e063-0100007f7036
- SPFv=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:docebosaas.com include:39782142.spf10.hubspotemail.net include:_spf.salesforce.com -all
- cisco-ci-domain-verification=2a88e5dda099dcf5a08bd950eaab95f32dc63c57f3074b896f990e2800ece4a0
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