Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sunstarems.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 20:09:51 UTC · ↺ Refresh
MX Hostnames
- sunstarems-com.mail.protection.outlook.com
MX Priorities
- sunstarems-com.mail.protection.outlook.com: 1
A / AAAA Records
- 192.185.52.205 ↩ 192-185-52-205.unifiedlayer.com
Mail Server IPs
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.biz.rr.com hostmaster.charter.com 2025060000 43200 3600 2419200 3600
Primary NS (mname)
ns1.biz.rr.com
Admin Email (rname)
hostmaster@charter.com
Serial
2025060000
Refresh
43200s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
dns4.rr.com
ns1.biz.rr.com
ns2.biz.rr.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:136.174.48.5 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:136.174.48.5 include:spf.protection.outlook.com ~all
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