Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
byrnesoftware.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 05:10:11 UTC · ↺ Refresh
MX Hostnames
- byrnesoftware-com.mail.protection.outlook.com
MX Priorities
- byrnesoftware-com.mail.protection.outlook.com: 0
A / AAAA Records
- 23.236.62.147 ↩ 147.62.236.23.bc.googleusercontent.com
Mail Server IPs
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
SOA Record
Raw SOA
ns0.dnsmadeeasy.com dns.dnsmadeeasy.com 2008010273 43200 3600 1209600 180
Primary NS (mname)
ns0.dnsmadeeasy.com
Admin Email (rname)
dns@dnsmadeeasy.com
Serial
2008010273
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns3.dnsmadeeasy.com
ns4.dnsmadeeasy.com
ns2.dnsmadeeasy.com
ns1.dnsmadeeasy.com
ns0.dnsmadeeasy.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:63.246.4.146 include:spf.protection.outlook.com include:sendgrid.net include:on.spiceworks.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];ruf=mailto:[email protected];fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
11 records- _d8hcwruudoagikqskmd6esky7vr2xjh
- SPFv=spf1 ip4:63.246.4.146 include:spf.protection.outlook.com include:sendgrid.net include:on.spiceworks.com -all
- OqUMwlCNAbuFoMSEqYHI0bWJND4mWrhLFxguVvCPsS2racyBcVp+CzJvE0oAMRY3TQJQEHyGoG2xeRTOmgzagQ==
- 7djjlggl1mvgl4qb80br72u61
- QPijnCy9gEnJLvnbvzk1GtuwYJfAUpm8VBUNvokIZy45Qjpiyz6cpbAtjqhXlx7rLNCaaESHdvJXC1yYspuv3Q==
- MS=ms28075999
- bw=fcGZTflTWzQYgGiM2BZx5wItoLwacwC488eCAnJBldir
- KQMOqCc3R7IfqzbWxZQDbkPl+9LHRQAOtPp1UrsKYy4ic8LDEwkGRxDlwv7SVDQk61vQyuwadaRTv59qTh7FNQ==
- ut7omoupelsn8j3kf1p5dratur
- _u4h2rqfolbsx4zd1b3eau3smv70kzde
- XCbleGyPyMyOlZ9StKN8NmI61u0fomOrhi4wvlODb4NhmS318xHLUpqsyGq7zBCfpcDOxlUVXGYn61YD90c7oA==
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