Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
blockadvisors.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 11:50:00 UTC · ↺ Refresh
MX Hostnames
- blockadvisors-com.mail.protection.outlook.com
MX Priorities
- blockadvisors-com.mail.protection.outlook.com: 0
A / AAAA Records
- 20.98.176.55 (no PTR)
Mail Server IPs
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-01.azure-dns.com hostmaster.hrblock.com 102 900 600 604800 3600
Primary NS (mname)
ns1-01.azure-dns.com
Admin Email (rname)
hostmaster@hrblock.com
Serial
102
Refresh
900s
Retry
600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns3-01.azure-dns.org
ns4-01.azure-dns.info
ns1-01.azure-dns.com
ns2-01.azure-dns.net
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:168.137.100.125 ip4:208.185.229.0/24 ip4:168.137.64.32/28 ip4:168.137.72.32/28 ip4:168.137.102.65 ip4:168.137.32.20 ip4:168.137.102.71 ip4:168.137.102.72 ip4:168.137.103.124 ip4:168.137.103.125 ip4:168.137.103.126 ip4:68.232.145.15 ip4:168.137.64.0/27 ip4:68.232.145.16 a:c.spf.service-now.com include:spf.messagelabs.com include:spf1.formassembly.com include:spf.protection.outlook.com include:spfhost.messageprovider.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=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: 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
6 records- _keqthwl2va3pnxzdyvli2iq8sd1zzwu
- _jqos6p9dovikjhydbj3zwqflytgjpmk
- SPFv=spf1 mx ip4:168.137.100.125 ip4:208.185.229.0/24 ip4:168.137.64.32/28 ip4:168.137.72.32/28 ip4:168.137.102.65 ip4:168.137.32.20 ip4:168.137.102.71 ip4:168.137.102.72 ip4:168.137.103.124 ip4:168.137.103.125 ip4:168.137.103.126 ip4:68.232.145.15 ip4:168.137.64.0/27 ip4:68.232.145.16 a:c.spf.service-now.com include:spf.messagelabs.com include:spf1.formassembly.com include:spf.protection.outlook.com include:spfhost.messageprovider.com -all
- MS=ms58127143
- webexdomainverification.4C675B8B60C9B136E053AB06FC0A3F65=9e006fd2-167f-4687-a437-7be40de48089
- google-site-verification=jwUHC7rm5bf1P9p33gdIo_Eb-UmtK_98imnNvy8NJU0Note:
Full email verification for blockadvisors.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits