Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jkmechanical.com
Disposable
✓ Yes
Outlook
⚠ Yes
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 02:02:26 UTC · ↺ Refresh
MX Hostnames
- jkmechanical-com.mail.protection.outlook.com
MX Priorities
- jkmechanical-com.mail.protection.outlook.com: 0
A / AAAA Records
- 162.159.134.42 (no PTR)
Mail Server IPs
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns87.worldnic.com namehost.worldnic.com 125121107 10800 3600 604800 3600
Primary NS (mname)
ns87.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125121107
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns88.worldnic.com
ns87.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:servers.mcsv.net include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
6 records- google-site-verification=25rXSr9U4hM2CXz0hqI0Rg-f6_yeFiQDyZtZfAg0mok
- google-site-verification=_IWPxhQBaT5TpYqJppBkqMo64nWoXRN7TeMwlUkba60
- ojtkg6fomh2sanpgb4ngs12l0i
- apple-domain-verification=ethwi5VJIIdUxvR5
- MS=ms17214071
- SPFv=spf1 include:servers.mcsv.net include:spf.protection.outlook.com -all
Full email verification for jkmechanical.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits