Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rw-invest.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 19:44:02 UTC · ↺ Refresh
MX Hostnames
- mx4.mtaroutes.com
- mx1.mtaroutes.com
- mx2.mtaroutes.com
- mx3.mtaroutes.com
MX Priorities
- mx1.mtaroutes.com: 10
- mx2.mtaroutes.com: 20
- mx3.mtaroutes.com: 30
- mx4.mtaroutes.com: 40
A / AAAA Records
- 172.66.40.144 (no PTR)
- 172.66.43.112 (no PTR)
- 2606:4700:3108::ac42:2890 (no PTR)
- 2606:4700:3108::ac42:2b70 (no PTR)
Mail Server IPs
- 38.101.250.150 ↩ fe3-r2-in.atl06.l.antispamcloud.com
- 2001:550:2:61::2fc:100 (no PTR)
- 38.89.254.156 ↩ fe1-r2-in.ch03.l.antispamcloud.com
- 38.71.16.244 ↩ fe2-r2-in.la10.l.antispamcloud.com
- 2001:550:2:3::62:100 ↩ fe2-r2-in.la10.l.antispamcloud.com
- 2001:550:2:78::ca:100 ↩ fe3-r2-in.atl06.l.antispamcloud.com
SOA Record
Raw SOA
anna.ns.cloudflare.com dns.cloudflare.com 2399834294 10000 2400 604800 1800
Primary NS (mname)
anna.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399834294
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
elmo.ns.cloudflare.com
anna.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.mtaroutes.com include:servers.mcsv.net include:145006798.spf07.hubspotemail.net include:spf.uk.exclaimer.net ip4:209.97.180.33 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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- google-site-verification=E5Te72J-5pd2eppBSx4S88I0RYZqP1g5lbsUWds5Tks
- google-site-verification=OSXZ4qV6l9fw0dhvpqOEI2ihCzOQpp504GOYnOsZnrw
- google-site-verification=v5OY_OJY1mKaG3v82DFt_CzJqw-SNIFhnrCR_7ehSt0
- klaviyo-site-verification=WCsn28
- SPFv=spf1 include:spf.protection.outlook.com include:spf.mtaroutes.com include:servers.mcsv.net include:145006798.spf07.hubspotemail.net include:spf.uk.exclaimer.net ip4:209.97.180.33 -all
- b76029d5d4674955140b9acde35fdb6cc03bd374720fd082e8ef25e4fa2e1c19
- cookieyes-site-verification=At8Bl9Cn-Pq3Qs4Op-Rw5Sw6Yv-Wb3Cd2Ef1Gr
- facebook-domain-verification=8lnkme7lz6ewz11nysetc3mejsmy1i
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 rw-invest.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits