Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
firmdalehotels.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 05:46:38 UTC · ↺ Refresh
MX Hostnames
- eu-smtp-inbound-2.mimecast.com
- eu-smtp-inbound-1.mimecast.com
MX Priorities
- eu-smtp-inbound-2.mimecast.com: 10
- eu-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 45.137.48.2 ↩ 45-137-48-2.brightstar.limited
Mail Server IPs
- 195.130.217.241 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.201 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.211 ↩ eu-smtp-inbound-1.mimecast.com
- 195.130.217.201 ↩ eu-smtp-inbound-2.mimecast.com
- 91.220.42.241 ↩ eu-smtp-inbound-1.mimecast.com
- 195.130.217.211 ↩ eu-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns-003.brightstar.limited support.brightstar.email 2025120900 14400 3600 1209600 3600
Primary NS (mname)
ns-003.brightstar.limited
Admin Email (rname)
support@brightstar.email
Serial
2025120900
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns-005.brightstar.nyc
ns-002.brightstar.limited
ns-004.brightstar.nyc
ns-001.brightstar.limited
ns-003.brightstar.limited
SPF Record
✓ Strict (-all)
v=spf1 ip4:77.108.129.66 include:serenata-services.com include:eu._netblocks.mimecast.com -all
📊 DNS lookups: 2/10
✓ 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
✓ 3 found
dkim._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- _fw595zkxo4252tm9zcwis36k63b3nkt
- _qemnbhzucm6igd6zydenrkj7qaakxjl
- facebook-domain-verification=9yyk2ui9w46xxkhbxaxavqit4losxt
- google-site-verification=3Y9R5ietXOy4-8mOzosTjFLAjab7EluqUb3Urs9qjM8
- apple-domain-verification=sIHSuzt0JLeTl7-smoHR7yBQkNu7dqLOVINbfDmnTxQ
- SPFv=spf1 ip4:77.108.129.66 include:serenata-services.com include:eu._netblocks.mimecast.com -all
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for firmdalehotels.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits