Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
polar.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 00:15:42 UTC · ↺ Refresh
MX Hostnames
- polar-com.mail.protection.outlook.com
MX Priorities
- polar-com.mail.protection.outlook.com: 10
A / AAAA Records
- 13.32.241.17 ↩ server-13-32-241-17.jfk50.r.cloudfront.net
- 13.32.241.89 ↩ server-13-32-241-89.jfk50.r.cloudfront.net
- 13.32.241.6
- 13.32.241.92
Mail Server IPs
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1056.awsdns-04.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1056.awsdns-04.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-696.awsdns-23.net
ns-1056.awsdns-04.org
ns-1738.awsdns-25.co.uk
ns-65.awsdns-08.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx:polar.com ip4:50.31.55.75 ip4:168.245.72.232 ip4:168.245.66.185 ip4:168.245.11.97 ip4:185.55.178.26 ip4:185.53.164.10 ip4:62.236.116.67 ip4:95.175.113.181 include:mail.zendesk.com include:spf.protection.outlook.com include:7615456.spf04.hubspotemail.net include:_spf.emailcampaigns.net include:portalmail.assentcompliance.com include:amazonses.com -all
📊 DNS lookups: 7/10
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;fo=1;rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ 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- apple-domain-verification=AnLrISHisbocWsVA
- atlassian-domain-verification=zy7Em13hU39rIRtom1nEBAmPYyRfuvzyaRbAkyBHEeAbk72AaYGwj2MCVPiQ07qu
- google-site-verification=5cXknyZL8WsjvgKcoDkae8OYDWBr3cZKSxbLNrdsKtk
- google-site-verification=Pyv8Pt6weKtp44hWrj9M3yidL4B2m1vLDxHLDDqgLfY
- google-site-verification=xwhpRCYrf7W7qYJ_mfuVzYWoXuZc-QLrxTAz0HLrBUM
- miro-verification=4a85d3f202a8e70213c44353f962929b4cb1777a
- SPFv=spf1 mx:polar.com ip4:50.31.55.75 ip4:168.245.72.232 ip4:168.245.66.185 ip4:168.245.11.97 ip4:185.55.178.26 ip4:185.53.164.10 ip4:62.236.116.67 ip4:95.175.113.181 include:mail.zendesk.com include:spf.protection.outlook.com include:7615456.spf04.hubspotemail.net include:_spf.emailcampaigns.net include:portalmail.assentcompliance.com include:amazonses.com -all
Full email verification for polar.com
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