Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gsdm.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 05:33:52 UTC · ↺ Refresh
MX Hostnames
- gsdm-com.mail.protection.outlook.com
MX Priorities
- gsdm-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
pdns82.ultradns.com hostmaster.omnicomgroup.com 2019121929 7200 600 2419200 3600
Primary NS (mname)
pdns82.ultradns.com
Admin Email (rname)
hostmaster@omnicomgroup.com
Serial
2019121929
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 include:_spf.google.com include:e2ma.net include:_spf.createsend.com include:_spfmo.mediaocean.com -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
8 records- google-site-verification=WKMQ1jtvI-sJ3myI4OYcfR4JAF9eufFHGdQBgtkNmGY
- atlassian-domain-verification=jnECo5N3FFedMZvGze/NG2GaOw0UEzP3iXUmtmPDs29kJD205r8M0ZM7jTqNrESh
- SPFv=spf1 include:_spf.oneomnicom.com include:_spf.google.com include:e2ma.net include:_spf.createsend.com include:_spfmo.mediaocean.com -all
- apple-domain-verification=8CIBpq3AoPZddJMZ
- ibmid=3727ed14-9d1f-4e67-9cb2-ba5655de7ca4
- openai-domain-verification=dv-PtWDIGs9G2z6uwkZmFaTyaAF
- miro-verification=a1f5cc8ffa6c014c850d906591c618fa0513cab8
- smartsheet-site-validation=T8cakG2KwNDvsiqSyOzANBnjUOfGV0KJ
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 gsdm.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits