Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sierrasun.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 01:59:39 UTC · ↺ Refresh
MX Hostnames
- sierrasun-com.mail.protection.outlook.com
MX Priorities
- sierrasun-com.mail.protection.outlook.com: 0
A / AAAA Records
- 18.164.96.67 ↩ server-18-164-96-67.jfk50.r.cloudfront.net
- 18.164.96.20 ↩ server-18-164-96-20.jfk50.r.cloudfront.net
- 18.164.96.97
- 18.164.96.123
Mail Server IPs
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-596.awsdns-10.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-596.awsdns-10.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-2043.awsdns-63.co.uk
ns-596.awsdns-10.net
ns-1306.awsdns-35.org
ns-186.awsdns-23.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.swiftcom.com include:secondstreetmail.com include:_spf.google.com include:navigacloud.com include:2067553.spf01.hubspotemail.net include:spf.protection.outlook.com include:amazonses.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=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
default._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
4 records- SPFv=spf1 include:spf.swiftcom.com include:secondstreetmail.com include:_spf.google.com include:navigacloud.com include:2067553.spf01.hubspotemail.net include:spf.protection.outlook.com include:amazonses.com ~all
- MS=ms52413565
- google-site-verification=MnmjCsLBThilNZBeeNjmCjCq-rEcmdthj55PpvUXmZE
- google-site-verification=xzg5g-49Vllx5nO98F-z6Q9RgcMfgS8Qro3QxAkmALQ
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