Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
byteharmony.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 05:04:05 UTC · ↺ Refresh
MX Hostnames
- byteharmony-com.mail.protection.outlook.com
MX Priorities
- byteharmony-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.27.7 (no PTR)
- 172.67.140.63 (no PTR)
- 2606:4700:3034::6815:1b07
- 2606:4700:3035::ac43:8c3f
Mail Server IPs
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
jacqueline.ns.cloudflare.com dns.cloudflare.com 2398573253 10000 2400 604800 1800
Primary NS (mname)
jacqueline.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398573253
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
jacqueline.ns.cloudflare.com
kolton.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:spf.protection.outlook.com include:autotask.net include:amazonses.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ 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- DKIMv=DKIM1;t=s;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDO3DCKyfVGEK/Amcwiw+lpdG7np/j7X3hH09hI0kL3/4y4bU6cbvem1p/zrNiE1gKZhKaaRxF59gvh2SHiCDEWpmIe4doza6gJK6pemZl3ag5iNyi3rTp6eDHOO37eWi4TtUwwHCZI2V4xL4NVNul/SjKwius34hpsooDu4WWBywIDAQAB
- SPFv=spf1 mx include:spf.protection.outlook.com include:autotask.net include:amazonses.com ~all
- MS=ms76226125
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