Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
railcomm.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 01:42:47 UTC · ↺ Refresh
MX Hostnames
- railcomm-com.mail.protection.outlook.com
MX Priorities
- railcomm-com.mail.protection.outlook.com: 10
A / AAAA Records
- 18.208.88.157 ↩ ec2-18-208-88-157.compute-1.amazonaws.com
- 98.84.224.111 ↩ ec2-98-84-224-111.compute-1.amazonaws.com
- 2600:1f18:16e:df01::259
- 2600:1f18:16e:df01::258
Mail Server IPs
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-08.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-08.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns1-08.azure-dns.com
ns2-08.azure-dns.net
ns3-08.azure-dns.org
ns4-08.azure-dns.info
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com include:stspg-customer.com include:spf.ess.barracudanetworks.com mx:d20040a.ess.barracudanetworks.com. include:sendgrid.net include:msg.assist.com include:spf.constantcontact.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected];ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
13 records- _unmq3kw8ixkxp63q14s98wppoizac7b
- status-page-domain-verification=nqjj94txf6pl
- ms-domain-verification=557e4ca8-0f2d-4f4e-9ee0-fcd67e753b13
- SPFv=spf1 mx include:spf.protection.outlook.com include:stspg-customer.com include:spf.ess.barracudanetworks.com mx:d20040a.ess.barracudanetworks.com. include:sendgrid.net include:msg.assist.com include:spf.constantcontact.com -all
- facebook-domain-verification=1znf340vhaugh892lkpoa5avgke7dh
- autodesk-domain-verification=kfClgPhqy0gTd1X6O53k
- google-site-verification=eGUOvBNnKMzbyVx9-5UcmfJTMxieOsKWiNkDoMlIxH4
- /1BjsqXush/Y80RDdD6kmfHAMOi2dlwqV2Py0Na3wKjh+bNXLZyOE9K1edbK66Ev88zU7QnkD6fgso0fMx0auA==
- google-site-verification=FX_buOhBbHiQ4QrQNQh_tNtkGka1-3-6d62qFa-6JvM
- MS=ms61820180
- atlassian-domain-verification=nvl0umjzauSarVxnSSh5zx17ICp07c99Nx7jLQAFaS2ByB7EAdyk/NOmuUR/RqRP
- apple-domain-verification=ErTDhAS5TudfhZsN
- google-site-verification=2LyXLiblpdECTJ5cKF0UHaJmze1-fAhgbCAptKLMsOM
Full email verification for railcomm.com
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