Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
builditsystems.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 14:27:36 UTC · ↺ Refresh
MX Hostnames
- builditsystems-com.mail.protection.outlook.com
MX Priorities
- builditsystems-com.mail.protection.outlook.com: 0
A / AAAA Records
- 137.220.43.184 ↩ builditsystems.com
Mail Server IPs
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.easydns.com zone.easydns.com 0 0 0 0 0
Primary NS (mname)
dns1.easydns.com
Admin Email (rname)
zone@easydns.com
Serial
0
Refresh
0s
Retry
0s
Expire
0s
Minimum TTL
0s
Nameservers (NS)
ns-1547.awsdns-01.co.uk
ns-182.awsdns-22.com
ns-864.awsdns-44.net
ns-1522.awsdns-62.org
SPF Record
✓ Strict (-all)
v=spf1 ip4:45.77.215.184 include:spf.protection.outlook.com include:spf.supercp.com include:mail.zendesk.com ip4:167.89.22.99 ip4:149.72.200.43 ip4:149.72.248.16 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
2 records- google-site-verification=tuvIbszTX-g9CjezaFNwR7nOaw3kdAQHzHCgUClg_b0
- SPFv=spf1 ip4:45.77.215.184 include:spf.protection.outlook.com include:spf.supercp.com include:mail.zendesk.com ip4:167.89.22.99 ip4:149.72.200.43 ip4:149.72.248.16 -all
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