Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hoovers.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 03:23:23 UTC · ↺ Refresh
MX Hostnames
- hoovers-com.mail.protection.outlook.com
MX Priorities
- hoovers-com.mail.protection.outlook.com: 10
A / AAAA Records
- 159.137.249.105 (no PTR)
- 159.137.225.175 (no PTR)
Mail Server IPs
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
primaryns.dnb.com dnsadmin.dnb.com 2021101742 1200 600 1209600 3600
Primary NS (mname)
primaryns.dnb.com
Admin Email (rname)
dnsadmin@dnb.com
Serial
2021101742
Refresh
1200s
Retry
600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
a6-66.akam.net
a1-67.akam.net
a7-66.akam.net
a13-66.akam.net
a12-66.akam.net
a10-67.akam.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:66.179.38.0/23 ip4:66.45.81.128/26 ip4:67.217.234.0/25 ip4:159.137.248.0/22 ip4:158.151.208.120/31 ip4:158.151.214.66/28 ip4:216.234.248.64/26 ip4:159.137.80.91 ip4:208.226.214.236 ip4:216.52.49.43/32 ip4:66.162.217.59 ip4:66.231.91.28 include:authsmtp.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;fo=1;rua=mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
4 records- _t087nr0s8p25d17ouy1ln8ppt98veob
- G7GrgB9WUzxA+YfEqQaAac6h8HRy67oRXI1r9jM4jb5igb9VYXhFc0TrvVibEsRaJZrwE72qstq8OFnbnIWKQg==
- SPFv=spf1 ip4:66.179.38.0/23 ip4:66.45.81.128/26 ip4:67.217.234.0/25 ip4:159.137.248.0/22 ip4:158.151.208.120/31 ip4:158.151.214.66/28 ip4:216.234.248.64/26 ip4:159.137.80.91 ip4:208.226.214.236 ip4:216.52.49.43/32 ip4:66.162.217.59 ip4:66.231.91.28 include:authsmtp.com include:spf.protection.outlook.com -all
- adobe-sign-verification=f3d426be4e06a9c8113bf18a25519618
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