Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
rentechboilers.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 21:51:18 UTC · ↺ Refresh
MX Hostnames
- rentechboilers-com.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 141.193.213.11
- 141.193.213.10
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
ns1.inmotionhosting.com
ns2.inmotionhosting.com
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com include:sendgrid.net include:relay.mailchannels.net include:rentechservices.com include:rentech.org -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;adkim=s;aspf=r;pct=100;fo=1;rf=afrf;ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
default._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
6 records- SPFv=spf1 a mx include:spf.protection.outlook.com include:sendgrid.net include:relay.mailchannels.net include:rentechservices.com include:rentech.org -all
- apple-domain-verification=slMPLIGxo3XjnKZO
- PIQGMRAFGDP1SRGJ1JIR40QOQ4
- ks625hbsriji1cdd7lors5kfnb
- uqnggocdmt7s5i4v9bslpssspg
- MS=ms57720909
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