Domain Overview
DNS: ✓ 2h ago
Checker: ✓ 2h ago
koblesystems.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 02:35:22 UTC · ↺ Refresh
MX Hostnames
- koblesystems-com.mail.protection.outlook.com
MX Priorities
- koblesystems-com.mail.protection.outlook.com: 0
A / AAAA Records
- 199.60.103.112 (no PTR)
Mail Server IPs
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.rackspace.com hostmaster.rackspace.com 1778896077 3600 300 1814400 300
Primary NS (mname)
ns.rackspace.com
Admin Email (rname)
hostmaster@rackspace.com
Serial
1778896077
Refresh
3600s
Retry
300s
Expire
1814400s
Minimum TTL
300s
Nameservers (NS)
ns.rackspace.com
ns2.rackspace.com
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com include:authsmtp.com include:3977611.spf03.hubspotemail.net include:_spf.salesforce.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
9 records- google-site-verification=OLBeIjdil52efqVGFPRzqGLQwSe--OE8IPDELXVaVco
- DMARCv=DMARC1;p=none;sp=none;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;aspf=s;adkim=s;fo=1
- ms-domain-verification=769231a4-c16d-4d3a-804e-1ef154bcb3d1
- as=1421772344
- SPFv=spf1 a mx include:spf.protection.outlook.com include:authsmtp.com include:3977611.spf03.hubspotemail.net include:_spf.salesforce.com -all
- ms-domain-verification=47385217-dceb-4d83-8db2-1e3aabe04f1d
- linkedin-site-verification=86cbc918-a57f-446d-a23c-5e97660e83d4
- google-site-verification=yEyDxBe2iBCWLt-uT1JvbvN2I7aOOz1Nt76EIWCasLM
- ms-domain-verification=f2b1ea41-6a16-4ff0-882f-82fd2a6775f3
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