Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
flexoffers.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 00:51:06 UTC · ↺ Refresh
MX Hostnames
- flexoffers-com.mail.protection.outlook.com
MX Priorities
- flexoffers-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.17.130.236 (no PTR)
- 104.17.131.236 (no PTR)
- 2606:4700::6811:82ec
- 2606:4700::6811:83ec
Mail Server IPs
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
darl.ns.cloudflare.com dns.cloudflare.com 2399391015 10000 2400 604800 1800
Primary NS (mname)
darl.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399391015
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
kristin.ns.cloudflare.com
darl.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:sendgrid.net include:24477671.spf02.hubspotemail.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
6 records- 845-39A-97B
- asv=475a13252dc3f0b063bc505641d766b4
- duo_sso_verification=81UBlABpOYXSSR0wYUeOcqHigxFd1C6XBVEkRCB980rXgjhY8LMLN2tB0MZahiOc
- facebook-domain-verification=zfwpf1hvuolrhnk53ifzntqkfpkoei
- google-site-verification=UaNTF1vwKQbjUb5PXurkufQ5zv_9IqLlCA8XnSjoh_E
- SPFv=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:sendgrid.net include:24477671.spf02.hubspotemail.net -all
Full email verification for flexoffers.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits