Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zimmerman.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 18:17:38 UTC · ↺ Refresh
MX Hostnames
- zimmerman-com.mail.protection.outlook.com
MX Priorities
- zimmerman-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.21 (no PTR)
- 141.193.213.10 (no PTR)
- 141.193.213.11 (no PTR)
- 141.193.213.20 (no PTR)
Mail Server IPs
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
pdns82.ultradns.com hostmaster.omnicomgroup.com 2020121140 7200 600 2419200 3600
Primary NS (mname)
pdns82.ultradns.com
Admin Email (rname)
hostmaster@omnicomgroup.com
Serial
2020121140
Refresh
7200s
Retry
600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
pdns82.ultradns.biz
pdns82.ultradns.com
pdns82.ultradns.net
pdns82.ultradns.org
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.oneomnicom.com -all
📊 DNS lookups: 1/10
✓ 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
✓ 5 found
google._domainkey
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
9 records- elb1tod33jen5hg62tpfm6vo8f
- m8p9gc2a2mpimi6ghholskobdi
- mhtqnlbooslj0t21571cr9mqur
- noc63efcd1hj695eaq4ie5cuh4
- SPFv=spf1 include:_spf.oneomnicom.com -all
- ibmid=3727ed14-9d1f-4e67-9cb2-ba5655de7ca4
- atlassian-domain-verification=jnECo5N3FFedMZvGze/NG2GaOw0UEzP3iXUmtmPDs29kJD205r8M0ZM7jTqNrESh
- 127rcd7qqocrlrlehocf281p49
- 98f6qpq2rq1uuq90mdu83aar0q
Full email verification for zimmerman.com
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