Domain Overview
DNS: ✓ 11d ago
Checker: ✓ 11d ago
singinghillsinc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-22 03:55:23 UTC · ↺ Refresh
MX Hostnames
- singinghillsinc-com.mail.protection.outlook.com
MX Priorities
- singinghillsinc-com.mail.protection.outlook.com: 0
A / AAAA Records
- 88.216.2.178 ↩ server4.microtronix-tech.com
Mail Server IPs
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 52.101.9.17 (no PTR)
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
ns7.microtronix-tech.com servers.microtronix-tech.com 2026032301 3600 1800 1209600 86400
Primary NS (mname)
ns7.microtronix-tech.com
Admin Email (rname)
servers@microtronix-tech.com
Serial
2026032301
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns7.microtronix-tech.com
ns8.microtronix-tech.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:88.216.2.178 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._domainkey
✓ Public key: 392 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 ip4:88.216.2.178 include:spf.protection.outlook.com -all
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