Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
libertytax.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 18:45:19 UTC · ↺ Refresh
MX Hostnames
- mail.bluetie.com
MX Priorities
- mail.bluetie.com: 10
A / AAAA Records
- 45.60.0.239 (no PTR)
- 45.60.6.239 (no PTR)
Mail Server IPs
- 71.19.237.153 ↩ 153.237.19.71.in-addr.arpa
SOA Record
Raw SOA
ns1-03.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-03.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns1-03.azure-dns.com
ns2-03.azure-dns.net
ns3-03.azure-dns.org
ns4-03.azure-dns.info
SPF Record
✓ Strict (-all)
v=spf1 include:minimal_spf.bluetie.com include:_spf.google.com include:sendgrid.net include:spf.protection.outlook.com ip4:209.249.129.22 ip4:66.150.108.0/24 ip4:69.25.247.0/24 ip4:64.74.103.0/24 ip4:63.251.34.0/24 ip4:74.112.67.197 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;ri=3600
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- google-site-verification=yiNz4_rrPbL9M2NibQgcH2C-2eAjnUE-awrgK9BE_Dc
- _globalsign-domain-verification=bvCJKCN5bSAqQ5WpP4nned6QGAmSR3KdzxcQWtwIo3
- _5xjh0eipk9s0j99eez5e6k2uaftfl1l
- SPFv=spf1 include:minimal_spf.bluetie.com include:_spf.google.com include:sendgrid.net include:spf.protection.outlook.com ip4:209.249.129.22 ip4:66.150.108.0/24 ip4:69.25.247.0/24 ip4:64.74.103.0/24 ip4:63.251.34.0/24 ip4:74.112.67.197 -all
- t=y; o=~;
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 libertytax.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits