Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
railserve.biz
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 06:12:04 UTC · ↺ Refresh
MX Hostnames
- railserve-biz.mail.protection.outlook.com
MX Priorities
- railserve-biz.mail.protection.outlook.com: 0
A / AAAA Records
- 70.39.234.203 ↩ vps85773.inmotionhosting.com
Mail Server IPs
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
SOA Record
Raw SOA
carmelo.ns.cloudflare.com dns.cloudflare.com 2399271814 10000 2400 604800 1800
Primary NS (mname)
carmelo.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399271814
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
rosa.ns.cloudflare.com
carmelo.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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- y6hbsltz7w529mh5wy28gqzb76lll3cy
- FC6CCFC2A4
- MS=ms45903963
- adobe-sign-verification=ea71df3c9c990fb3e6c0c97e958035
- google-site-verification=C5Y_4ZmA14Qfu_1FbY4tHMTJHClyCmaXI7I8F2EVf5g
- nintex.5c98f37bd2cdf31cce8bd55a
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com -all
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