Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
premistar.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 03:38:52 UTC · ↺ Refresh
MX Hostnames
- premistar-com.mail.protection.outlook.com
MX Priorities
- premistar-com.mail.protection.outlook.com: 0
A / AAAA Records
- 35.243.208.71 ↩ 71.208.243.35.bc.googleusercontent.com
Mail Server IPs
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.bdm.microsoftonline.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1.bdm.microsoftonline.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns3.bdm.microsoftonline.com
ns4.bdm.microsoftonline.com
ns1.bdm.microsoftonline.com
ns2.bdm.microsoftonline.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.ultipro.com include:esa1.hc1986-95.iphmx.com a:smtp.lmstech.com include:_spf01.mykronos.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
7 records- SPFv=spf1 include:spf.protection.outlook.com include:_spf.ultipro.com include:esa1.hc1986-95.iphmx.com a:smtp.lmstech.com include:_spf01.mykronos.com -all
- knowbe4-site-verification=b2f7c15d8e890e6d60f3c70d4ccd34ce
- google-site-verification=XZSmaOlSriByO8L-5jP_-G31p3nhsFl6Dy6EQ1WDNGo
- bw=VE1wCPCRmxirmnrDGZa1XYv5oSRSFWTgTBw3I5API2lb
- mscid=7TvaxCjMSpI9wvGUC+1r+pfYVMwI50V3wgpH+IpdFOjXh5OQBMqMCHHjSzn0jXguO9ZgvxKBLQbF35YCnF7ACA==
- google-site-verification=vinH-GqSGfJOaeBf-tc_G9ULBMoArCTz1WpJPL5ceCk
- MS=ms95543516
Full email verification for premistar.com
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