Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
platinumheatingmi.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 20:30:36 UTC · ↺ Refresh
MX Hostnames
- smtp.google.com
MX Priorities
- smtp.google.com: 1
A / AAAA Records
- 34.174.55.186 ↩ 186.55.174.34.bc.googleusercontent.com
Mail Server IPs
- 142.250.31.26 ↩ bj-in-f26.1e100.net
- 172.253.122.27 ↩ bh-in-f27.1e100.net
- 172.253.63.26 ↩ bi-in-f26.1e100.net
- 172.253.63.27 ↩ bi-in-f27.1e100.net
- 142.250.31.27 ↩ bj-in-f27.1e100.net
- 2607:f8b0:4004:c08::1a ↩ bi-in-f26.1e100.net
- 2607:f8b0:4004:c0b::1a ↩ bj-in-f26.1e100.net
- 2607:f8b0:4004:c09::1a ↩ bh-in-f26.1e100.net
- 2607:f8b0:4004:c08::1b ↩ bi-in-f27.1e100.net
SOA Record
Raw SOA
ns1.siteground.net admins.siteground.com 128 10800 3600 1209600 3600
Primary NS (mname)
ns1.siteground.net
Admin Email (rname)
admins@siteground.com
Serial
128
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns1.siteground.net
ns2.siteground.net
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx include:platinumheatingmi.com.spf.auto.dnssmarthost.net include:spf.protection.outlook.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; aspf=r; adkim=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
3 records- google-site-verification=ab5iEHWC7A9UiKjBWEPnuY5kzX-yTWZQmDlYqBSiK2I
- google-site-verification=n2wLUPf17trr1cdKB2Nm-7zCIeS1FtfQMrpzF0yhtvk
- SPFv=spf1 +a +mx include:platinumheatingmi.com.spf.auto.dnssmarthost.net include:spf.protection.outlook.com ~all
Full email verification for platinumheatingmi.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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