Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hastingsarchitecture.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 09:15:32 UTC · ↺ Refresh
MX Hostnames
- mx1-us.emailsecurity.app
- mx2-us.emailsecurity.app
MX Priorities
- mx1-us.emailsecurity.app: 10
- mx2-us.emailsecurity.app: 20
A / AAAA Records
- 24.199.64.51 (no PTR)
Mail Server IPs
- 40.121.188.167 ↩ mx1-us.emailsecurity.app
- 172.212.4.33 ↩ mx1-us.emailsecurity.app
SOA Record
Raw SOA
ns-cloud-d1.googledomains.com cloud-dns-hostmaster.google.com 57 21600 3600 259200 300
Primary NS (mname)
ns-cloud-d1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
57
Refresh
21600s
Retry
3600s
Expire
259200s
Minimum TTL
300s
Nameservers (NS)
ns-cloud-d2.googledomains.com
ns-cloud-d4.googledomains.com
ns-cloud-d1.googledomains.com
ns-cloud-d3.googledomains.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:50.203.80.254 ip4:50.203.80.250 ip4:50.197.253.81 include:spf.protection.outlook.com include:spf1.emailsecurity.app -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; aspf=r; adkim=r; fo=1; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
1 record- SPFv=spf1 ip4:50.203.80.254 ip4:50.203.80.250 ip4:50.197.253.81 include:spf.protection.outlook.com include:spf1.emailsecurity.app -all
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