de.ddb.com

Valid Email Server
Domain Lookup › de.ddb.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
de.ddb.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-23 20:09:54 UTC · ↺ Refresh

MX Hostnames

  • de-ddb-com.mail.protection.outlook.com

MX Priorities

  • de-ddb-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 141.193.213.20 (no PTR)

Mail Server IPs

  • 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
  • 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
  • 52.101.9.11 ↩ mail-bl2pr04cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
  • 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com

SOA Record

Raw SOA pdns82.ultradns.com hostmaster.omnicomgroup.com 2021010813 7200 600 2419200 3600
Primary NS (mname)
pdns82.ultradns.com
Admin Email (rname)
hostmaster@omnicomgroup.com
Serial
2021010813
Refresh
7200s
Retry
600s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

pdns82.ultradns.org
pdns82.ultradns.biz
pdns82.ultradns.com
pdns82.ultradns.net

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.oneomnicom.com include:spf.hornetsecurity.com include:spf.mandrillapp.com ip4:91.208.212.0/24 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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

8 records
  • adobe-idp-site-verification=11a3281839010ea1935385868883952f38de2300edcedbac3372468fb865a0ce
  • atlassian-domain-verification=jnECo5N3FFedMZvGze/NG2GaOw0UEzP3iXUmtmPDs29kJD205r8M0ZM7jTqNrESh
  • atlassian-domain-verification=vyvdfJbK8ltN9vZG4P7uOZ4wjaGNMbGQYYW0GRdSAIyf/U7V4lwwTPXRgPlNRK2M
  • SPFv=spf1 include:_spf.oneomnicom.com include:spf.hornetsecurity.com include:spf.mandrillapp.com ip4:91.208.212.0/24 -all
  • ibmid=3727ed14-9d1f-4e67-9cb2-ba5655de7ca4
  • google-site-verification=Y75WaFIPx2VIYccxbh41w-FdAvvdAfSQJDqDmZp2HwA
  • 3Sfe3A9F8aH8Uvv2ZCOvG0VsxoQOmduUSpGRgYmKxk2kHnvOjXRcq+dO6XRW9e+c6pdZZ31eKlKOrf7hwldACA==
  • box-domain-verification=9ee37f7ae37efe84cc4fe80cbb6d595cf05afdd79d4f096e05878bf4d3e52836
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