Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
coastalstructures.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 03:34:54 UTC · ↺ Refresh
MX Hostnames
- coastalstructures-com.mail.protection.outlook.com
MX Priorities
- coastalstructures-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.89.97 (no PTR)
- 172.67.188.162 (no PTR)
- 2606:4700:3033::ac43:bca2
- 2606:4700:3035::6815:5961
Mail Server IPs
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
margaret.ns.cloudflare.com dns.cloudflare.com 2399242768 10000 2400 604800 1800
Primary NS (mname)
margaret.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399242768
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
salvador.ns.cloudflare.com
margaret.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.securedserverspace.com -all
📊 DNS lookups: 2/10
✓ 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
✓ 5 found
selector1._domainkey
selector2._domainkey
default._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
2 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.securedserverspace.com -all
- v=verifydomain MS=6984475
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