Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
23rdgroup.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 05:25:18 UTC · ↺ Refresh
MX Hostnames
- 23rdgroup-com.mail.protection.outlook.com
MX Priorities
- 23rdgroup-com.mail.protection.outlook.com: 0
A / AAAA Records
- 216.37.42.191 ↩ exceleron3.toastserver.com
Mail Server IPs
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.excelerondesigns.com ryan\.kidd.excelerondesigns.com 2026031901 3600 1800 1209600 86400
Primary NS (mname)
ns1.excelerondesigns.com
Admin Email (rname)
ryan\@kidd.excelerondesigns.com
Serial
2026031901
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns3.excelerondesigns.com
ns4.excelerondesigns.com
ns1.excelerondesigns.com
ns2.excelerondesigns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
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
3 records- MS=ms68351674
- MS=ms81848874
- SPFv=spf1 include:spf.protection.outlook.com -all
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