Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
blackhawk-net.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 12:36:03 UTC · ↺ Refresh
MX Hostnames
- smtp01.blackhawk-net.com
- smtp02.blackhawk-net.com
MX Priorities
- smtp02.blackhawk-net.com: 10
- smtp01.blackhawk-net.com: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 216.104.233.81 ↩ smtp02.blackhawk-net.com
- 216.104.233.80 ↩ smtp01.blackhawk-net.com
SOA Record
Raw SOA
ns-930.awsdns-52.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-930.awsdns-52.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1753.awsdns-27.co.uk
ns-20.awsdns-02.com
ns-930.awsdns-52.net
ns-1335.awsdns-38.org
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:216.136.161.143 ip4:216.136.161.142 ip4:216.104.233.81 ip4:216.104.233.80 ip4:216.104.233.81 ip4:135.84.6.142 ip4:135.84.6.143 include:service-now.com include:amazonses.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 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
1 record- SPFv=spf1 mx ip4:216.136.161.143 ip4:216.136.161.142 ip4:216.104.233.81 ip4:216.104.233.80 ip4:216.104.233.81 ip4:135.84.6.142 ip4:135.84.6.143 include:service-now.com include:amazonses.com -all
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