Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
flexsin.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 09:52:58 UTC · ↺ Refresh
MX Hostnames
- flexsin-com.mail.protection.outlook.com
MX Priorities
- flexsin-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.173.107.69 (no PTR)
Mail Server IPs
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.softlayer.com support.softlayer.com 2026032400 7200 600 1728000 43200
Primary NS (mname)
ns1.softlayer.com
Admin Email (rname)
support@softlayer.com
Serial
2026032400
Refresh
7200s
Retry
600s
Expire
1728000s
Minimum TTL
43200s
Nameservers (NS)
ns2.softlayer.com
ns1.softlayer.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:zcsend.net ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
5 records- SPFv=spf1 include:zcsend.net ~all
- MS=ms79546772
- MS=ms66908505
- zoho-verification=zb00261849.zmverify.zoho.com
- SPFv=spf1 include:spf.protection.outlook.com -all
Full email verification for flexsin.com
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