Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
investco.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 17:37:35 UTC · ↺ Refresh
MX Hostnames
- investco-com.mail.protection.outlook.com
MX Priorities
- investco-com.mail.protection.outlook.com: 0
A / AAAA Records
- 185.230.63.107 ↩ unalocated.63.wixsite.com
Mail Server IPs
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.dreamhost.com hostmaster.dreamhost.com 2026031801 18860 600 1814400 60
Primary NS (mname)
ns1.dreamhost.com
Admin Email (rname)
hostmaster@dreamhost.com
Serial
2026031801
Refresh
18860s
Retry
600s
Expire
1814400s
Minimum TTL
60s
Nameservers (NS)
ns2.dreamhost.com
ns3.dreamhost.com
ns1.dreamhost.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spf.mtasv.net include:6f3f0a.workshop-spf.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._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
8 records- MS=ms93769568
- google-site-verification=fLuarGwOYekU2_udqkL1-ltfXDW2VTCvO-zwJmIOCW4
- apple-domain-verification=OxDsFaaEDCkfoQ3V
- 70cukjru8nu8jb3c4nkqa224n2
- YtEe8pmjRQFG8NB26KSukdz+ZmbbHH7jpO7UK2idw1IBqNjgkNNPiCuTN1I0yZS9WfyUgJ9EKGCtxMZWXvazPA==
- SPFv=spf1 include:spf.protection.outlook.com include:spf.mtasv.net include:6f3f0a.workshop-spf.net ~all
- anthropic-domain-verification-snp6cc=qbURcgLV9NCWWIjoICnibQ44A
- ZOOM_verify_Iq1ZsicHQ7SQ7AXlQH1IRA
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 investco.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits