Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mestek.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 23:15:33 UTC · ↺ Refresh
MX Hostnames
- mestek-com.mail.protection.outlook.com
MX Priorities
- mestek-com.mail.protection.outlook.com: 10
A / AAAA Records
- 52.151.208.173 (no PTR)
Mail Server IPs
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns65.worldnic.com namehost.worldnic.com 126040111 10800 3600 604800 3600
Primary NS (mname)
ns65.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126040111
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns65.worldnic.com
ns66.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.salesforce.com include:u19898084.wl085.sendgrid.net ip4:168.245.121.82 redirect=mestek.net
📊 DNS lookups: 3/10
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; aspf=r; adkim=r
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
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
4 records- r4rdwh18x999wz88d14x06my9dpqf16q
- _cxma3lf9zjv9g7gmmw2a7bt4g4pe9tl
- logmein-verification-code=bc7faa84-3f73-4797-bb2f-038be73f0ab3
- SPFv=spf1 include:_spf.salesforce.com include:u19898084.wl085.sendgrid.net ip4:168.245.121.82 redirect=mestek.net
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