Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mbk.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 17:55:46 UTC · ↺ Refresh
MX Hostnames
- mbk.com.snwlhosted.com
MX Priorities
- mbk.com.snwlhosted.com: 30
A / AAAA Records
- 141.193.213.11 (no PTR)
- 141.193.213.10 (no PTR)
Mail Server IPs
- 173.240.210.14 ↩ usprodsharedou.com.snwlhosted.com
SOA Record
Raw SOA
ns.rackspace.com hostmaster.rackspace.com 1771440889 10800 3600 604800 300
Primary NS (mname)
ns.rackspace.com
Admin Email (rname)
hostmaster@rackspace.com
Serial
1771440889
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns.rackspace.com
ns2.rackspace.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.us.exclaimer.net include:_spf.psm.knowbe4.com include:_spf.snwlhosted.com include:_spf.sonicsecuremail.com include:spf.protection.outlook.com include:asp-spf1.yardi.com include:asp-spf2.yardi.com include:21390760.spf06.hubspotemail.net ip4:149.72.129.5 ip4:149.72.69.179 ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; fo=1; pct=100; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 1 found
s1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- _ti0c69t5mjqvhvqiad6mxllz37ui3so
- MS=51F478EF8B7AE434BAEBA3BB5747D599B4C028F4
- _jcy8iivxrq23yieb7ily3v9zxn9g3s3
- SPFv=spf1 include:spf.us.exclaimer.net include:_spf.psm.knowbe4.com include:_spf.snwlhosted.com include:_spf.sonicsecuremail.com include:spf.protection.outlook.com include:asp-spf1.yardi.com include:asp-spf2.yardi.com include:21390760.spf06.hubspotemail.net ip4:149.72.129.5 ip4:149.72.69.179 ~all
- apple-domain-verification=UZ4mnhILRZ6fwX3A
- u4Wx+C5uQPEIioO/WM81ICS6yefimSP0Ab4u0qpul3EAMxUcRPLGPR93yF0dpuD/+hOTiS7CyO7y4CVVznMe4g==
- 1password-site-verification=XQ5O4TFK3ZHMBJBZEYOM7GFR7Q
Full email verification for mbk.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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