Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
contentfirst.marketing
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 01:50:41 UTC · ↺ Refresh
MX Hostnames
- contentfirst-marketing.mail.protection.outlook.com
MX Priorities
- contentfirst-marketing.mail.protection.outlook.com: 0
A / AAAA Records
- 54.200.180.2 ↩ ec2-54-200-180-2.us-west-2.compute.amazonaws.com
Mail Server IPs
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
emma.ns.cloudflare.com dns.cloudflare.com 2396753331 10000 2400 604800 1800
Primary NS (mname)
emma.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396753331
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
lex.ns.cloudflare.com
emma.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a include:spf.protection.outlook.com include:amazonses.com include:infusionmail.com include:spf.mtasv.net include:_spf.smtp.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
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
11 records- amazonses:CWBn2R4Dg4tQykgxAraJB68bNRUBd4jWTIRTbS2S7YA=
- facebook-domain-verification=aahzla7g31j5wblpkswehpemp1nxj3
- facebook-domain-verification=u2oyflkl30tclkceur8fuiqc9b0r7b
- google-site-verification=DSbCHKR2Yq87or8qs6mBHGOlR8B1DdRR3XpGsHB4k0I
- google-site-verification=Dq_EXPgD6Gqz_EuK_uvvttgzj6WJgif2emor-u-kcqU
- google-site-verification=bqwI7016du-Y5MfvkuXROpoDxb3WUxylGg5JGmNQ_Ic
- SPFv=spf1 a include:spf.protection.outlook.com include:amazonses.com include:infusionmail.com include:spf.mtasv.net include:_spf.smtp.com ~all
- v=verifydomain MS=2117741
- v=verifydomain MS=4644500
- v=verifydomain MS=7396227
- v=verifydomain MS=9647064
Full email verification for contentfirst.marketing
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits