Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
custom-concrete-construction.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 09:46:45 UTC · ↺ Refresh
MX Hostnames
- se1-san1.generic.host
- se1-dal1.generic.host
MX Priorities
- se1-san1.generic.host: 0
- se1-dal1.generic.host: 0
A / AAAA Records
- 54.84.101.21 ↩ ec2-54-84-101-21.compute-1.amazonaws.com
Mail Server IPs
- 50.116.7.216 ↩ se1-us-west-a.generic.host
- 209.195.7.237 ↩ se1-smy1.generic.host
SOA Record
Raw SOA
pk1-smy1-ns2.generic.host hostmaster.generic.host 2024051701 10800 3600 1209600 10800
Primary NS (mname)
pk1-smy1-ns2.generic.host
Admin Email (rname)
hostmaster@generic.host
Serial
2024051701
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
pk1-smy1.generic.host
pk1-smy1-ns2.generic.host
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +a:pk1-smy1.generic.host include:_spf.generic.host -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 +a +mx +a:pk1-smy1.generic.host include:_spf.generic.host -all
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