Domain Overview
DNS: ✓ 23d ago
Checker: ✓ 23d ago
walkerconcrete.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-08-21 16:15:16 UTC · ↺ Refresh
MX Hostnames
- walkerconcrete-com.mail.protection.outlook.com
MX Priorities
- walkerconcrete-com.mail.protection.outlook.com: 10
A / AAAA Records
- 204.200.201.19 (no PTR)
Mail Server IPs
- 52.101.166.2 ↩ mail-paup264cu00202.inbound.protection.outlook.com
- 52.101.166.1 ↩ mail-pr0p264cu01301.inbound.protection.outlook.com
- 52.101.166.0 ↩ mail-pa5p264cu00200.inbound.protection.outlook.com
- 52.101.164.0 ↩ mail-mrzp264cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
nsa.perf1.fr domreg.natcem.com 2026010816 28800 7200 604800 7200
Primary NS (mname)
nsa.perf1.fr
Admin Email (rname)
domreg@natcem.com
Serial
2026010816
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
7200s
Nameservers (NS)
nsb.perf1.com
nsc.perf1.com
nsa.perf1.fr
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.vicat.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 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
5 records- knowbe4-site-verification=79d45e16d4afa535d6283939a159248f
- SPFv=spf1 include:_spf.vicat.com -all
- cisco-ci-domain-verification=4eb73243db769c25773d877fb2471eacbd7328bf9865cd94bd22b6ab16720d97
- MS=ms16463666
- docusign=834a8faf-5f07-4d1c-923d-615cb6db29fe
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