Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ddb.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 20:14:53 UTC · ↺ Refresh
MX Hostnames
- ddb-com.mail.protection.outlook.com
MX Priorities
- ddb-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.21 (no PTR)
- 141.193.213.20 (no PTR)
Mail Server IPs
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
pdns82.ultradns.com hostmaster.omnicomgroup.com 2019114580 7200 600 2419200 3600
Primary NS (mname)
pdns82.ultradns.com
Admin Email (rname)
hostmaster@omnicomgroup.com
Serial
2019114580
Refresh
7200s
Retry
600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
pdns82.ultradns.com
pdns82.ultradns.net
pdns82.ultradns.org
pdns82.ultradns.biz
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.oneomnicom.com include:spf.mandrillapp.com include:servers.mcsv.net include:spf.workfront.com ip4:66.245.162.100 include:mg-spf.greenhouse.io -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
20 records- g2t0n8e5k6mie8fnfct1qh0ei1
- SPFv=spf1 include:_spf.oneomnicom.com include:spf.mandrillapp.com include:servers.mcsv.net include:spf.workfront.com ip4:66.245.162.100 include:mg-spf.greenhouse.io -all
- iv3jlujscbksvt2kuqlapg0kkk
- t6pne5lkgm914av3n9raolqc5a
- sg51s2v0idtin5al8e0t9c1ouk
- cisco-ci-domain-verification=32ee43c5e34dfe7205125ec6031463894e85a99973e889fdc71037578d4aca84
- google-site-verification=1TG4Nxt0h_t_rrqNAKzCVW0Ig2_QvLtb7ZeByIpLAOk
- google-site-verification=I_umWGIXXsQRN-h2RR1HbD8TckxVVB0XQW90OYGntt4
- google-site-verification=2n1F7HLMjXhjZc5nuN9y88HdcR5brsJ11sOSxVgIjgM
- atlassian-domain-verification=jnECo5N3FFedMZvGze/NG2GaOw0UEzP3iXUmtmPDs29kJD205r8M0ZM7jTqNrESh
- 76546pkb53c6sev5htv6bh0jj5
- ibmid=3727ed14-9d1f-4e67-9cb2-ba5655de7ca4
- extensis-domain-verification=1c95237e-1a5c-4037-b16c-4e7fd63123db
- box-domain-verification=9ee37f7ae37efe84cc4fe80cbb6d595cf05afdd79d4f096e05878bf4d3e52836
- adobe-idp-site-verification=fdaf67e2-7672-45f6-8942-cafc647f410a
- openai-domain-verification=dv-X4CY137uds1EXhhPbj118VzD
- google-site-verification=0CD3kdGHCSO8lJ3m7WVqZvVQiIv5wpCmh1DAYEFW-_0
- adobe-idp-site-verification=f723e590-b943-4533-b06d-d330ff88ac0f
- 4DPBLiiRAyXTd5J49UBAHTk+LEL6SATRgWe+6fvrhGXM/JhlwCZxqNUcRsOxJa5D9AhP3Gvog+sQfbUPL0V4kQ==
- miro-verification=dfdd84191121182f6ee507e76ac8ca44d11e8030
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 ddb.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits