Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
cm3inc.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-19 08:19:16 UTC · ↺ Refresh
MX Hostnames
- mx1-us.emailsecurity.app
- mx2-us.emailsecurity.app
MX Priorities
- mx2-us.emailsecurity.app: 1
- mx1-us.emailsecurity.app: 1
A / AAAA Records
- 35.244.153.44 ↩ 44.153.244.35.bc.googleusercontent.com
- 34.160.17.71 ↩ 71.17.160.34.bc.googleusercontent.com
- 35.190.31.54 ↩ 54.31.190.35.bc.googleusercontent.com
- 34.149.120.3 ↩ 3.120.149.34.bc.googleusercontent.com
Mail Server IPs
- 172.212.4.33 ↩ mx1-us.emailsecurity.app
- 40.121.188.167 ↩ mx1-us.emailsecurity.app
SOA Record
Raw SOA
ns1.siteground.net admins.siteground.com 155 10800 3600 1209600 3600
Primary NS (mname)
ns1.siteground.net
Admin Email (rname)
admins@siteground.com
Serial
155
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns2.siteground.net
ns1.siteground.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.createsend.com include:spf.rev.io +ip4:168.245.102.208 +ip4:159.183.161.108 include:spf.protection.outlook.com mx ip4:170.146.220.96/28 ip4:170.146.221.96/28 include:_spf.mailgun.org include:sendgrid.net include:spf1.emailsecurity.app ~all
📊 DNS lookups: 7/10
~ 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
✓ 3 found
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- Gem6I+9hZrg12rp1A/NH8ku+H+Kr2v+Con7pDANJ0DPT5Gl2PwpeptGh4kSXHeUh/7XFjimiDjb1seyi+iao2A==
- google-site-verification=EvEqOq7a91I7ExDe6Wy1SrpFpB3j-GFUvHyIQBNsBE0
- SPFv=spf1 include:_spf.createsend.com include:spf.rev.io +ip4:168.245.102.208 +ip4:159.183.161.108 include:spf.protection.outlook.com mx ip4:170.146.220.96/28 ip4:170.146.221.96/28 include:_spf.mailgun.org include:sendgrid.net include:spf1.emailsecurity.app ~all
- apple-domain-verification=X8fgk4lv2HZ91br6
- MS=ms26891093
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