Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stackline.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 22:46:20 UTC · ↺ Refresh
MX Hostnames
- stackline-com.mail.protection.outlook.com
MX Priorities
- stackline-com.mail.protection.outlook.com: 0
A / AAAA Records
- 198.202.211.1 (no PTR)
Mail Server IPs
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1673.awsdns-17.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1673.awsdns-17.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-552.awsdns-05.net
ns-1455.awsdns-53.org
ns-1673.awsdns-17.co.uk
ns-351.awsdns-43.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:aspmx.pardot.com include:spf1.formassembly.com include:_spf.salesforce.com include:mktomail.com include:mg-spf.greenhouse.io -all
📊 DNS lookups: 7/10
✓ 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
✓ 3 found
selector1._domainkey
selector2._domainkey
s1._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
10 records- google-site-verification=cy_PZX1Jz9p-8ayVQrsxMQnFNT1qZQZDdTBrR1RUmR4
- klaviyo-site-verification=Yx3DFC
- mixpanel-domain-verify=401dd189-1471-4061-b7c7-c1a9fe4f8b89
- openai-domain-verification=dv-L3g70AGiDobtmmL87XxBt7ll
- SPFv=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:aspmx.pardot.com include:spf1.formassembly.com include:_spf.salesforce.com include:mktomail.com include:mg-spf.greenhouse.io -all
- MS=ms68955113
- anthropic-domain-verification-gj8vmc=FMITcB9WWcS9xHOSybHqzKYpM
- apple-domain-verification=YkIonyKjfPH5lZOJ
- atlassian-domain-verification=8nZAIsdaKEYQ6kXArr6B2TfVbVn3wTEafcECdrAGtvOAW57mKx7c7swBAAl/0nCR
- cursor-domain-verification-dds7fx=0o5o4T4HBif1VqJrHc2wEdSiy
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