Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cobblestone.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 19:53:35 UTC · ↺ Refresh
MX Hostnames
- reply.s13.exacttarget.com
- cobblestone-com.mail.protection.outlook.com
MX Priorities
- cobblestone-com.mail.protection.outlook.com: 0
- reply.s13.exacttarget.com: 10
A / AAAA Records
- 141.193.213.10 (no PTR)
- 141.193.213.11
Mail Server IPs
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 96.43.154.16 ↩ reply.s13.exacttarget.com
SOA Record
Raw SOA
ns71.domaincontrol.com dns.jomax.net 2026031604 28800 7200 604800 600
Primary NS (mname)
ns71.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031604
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns71.domaincontrol.com
ns72.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:cust-spf.exacttarget.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected];ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
9 records- pardot940613=590e28ccbd933e57741dcf60425dbf2026038ffa324318e7424211f210625587
- sending_domain940613=ea21a76465f5722469d11926593d9f5abb4e87fe5a59856c7e50602d16c8856a
- SPFv=spf1 include:spf.protection.outlook.com include:cust-spf.exacttarget.com -all
- zoho-verification=zb28923682.zmverify.zoho.com
- 7A029C91A1
- google-site-verification=fCamKZ_rSYUTBIzP4TdXw42rx_tnGCuKaSr4kaPzsfI
- google-site-verification=Kn_c33xSXdIzPaS2zv8bIusIwcMbaOkKTZy3TEMholw
- knowbe4-site-verification=45bb989bf6c7367550295b4bc8c747cd
- MS=ms31090889
Full email verification for cobblestone.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits