Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sendtax.hrblock.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 19:19:45 UTC · ↺ Refresh
MX Hostnames
- inbound-reply.s1.exacttarget.com
MX Priorities
- inbound-reply.s1.exacttarget.com: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 68.232.201.17 ↩ inbound-reply.s1.exacttarget.com
SOA Record
Raw SOA
ns1.exacttarget.com hostmaster.exacttarget.com 2026021100 7200 3600 1209600 3600
Primary NS (mname)
ns1.exacttarget.com
Admin Email (rname)
hostmaster@exacttarget.com
Serial
2026021100
Refresh
7200s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns1.exacttarget.com
ns2.exacttarget.com
ns3.exacttarget.com
SPF Record
✓ Strict (-all)
v=spf1 include:cust-spf.exacttarget.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; adkim=s; aspf=r; pct=100;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 include:cust-spf.exacttarget.com -all
- spf2.0/pra include:cust-senderid.exacttarget.com -all
- bbg8kv7hqkm02t2t16d6yh8nwxg33bn8
- google-site-verification=WGdIivSXP-jJqwTi5RiSBLf1uqTJWlUcWDDU22c-1X4
Full email verification for sendtax.hrblock.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits