Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
spanning.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 12:33:09 UTC · ↺ Refresh
MX Hostnames
- spanning-com.mail.protection.outlook.com
MX Priorities
- spanning-com.mail.protection.outlook.com: 0
A / AAAA Records
- 3.33.186.135 ↩ afa7f374f51cc8991.awsglobalaccelerator.com
- 15.197.167.90 ↩ afa7f374f51cc8991.awsglobalaccelerator.com
Mail Server IPs
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-313.awsdns-39.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-313.awsdns-39.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1251.awsdns-28.org
ns-1956.awsdns-52.co.uk
ns-313.awsdns-39.com
ns-561.awsdns-06.net
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:spf.protection.outlook.com include:mktomail.com include:_spf.salesforce.com include:amazonses.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100; ri=86400;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
7 records- google-site-verification=_wCeq6YR-bUzGqv2TTIcZZykf71Q_7P6W9F7ABaAOI0
- google-site-verification=buAbAGivWI4-sqDpkEJdof63dPsvNPuyLpCpQRHLnR8
- SPFv=spf1 include:_spf.google.com include:spf.protection.outlook.com include:mktomail.com include:_spf.salesforce.com include:amazonses.com -all
- anthropic-domain-verification-vqm3cr=Q9eUztVcsYvcEDqYJnH1RpVY3
- atlassian-domain-verification=RB1PmxHwR3dqlQF5JGzBlTrakWd3kzQ0vkOOsCN6bkgbOStohjLRiXl7jOhvBJuj
- fa6543c28c
- google-site-verification=T9t2_gLKoX_Lsl-5ldR2AfOu-ulnmrx3T04nRh3-Z48
Full email verification for spanning.com
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