Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
doubleunderscoreinc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 19:43:25 UTC · ↺ Refresh
MX Hostnames
- doubleunderscoreinc-com.mail.protection.outlook.com
MX Priorities
- doubleunderscoreinc-com.mail.protection.outlook.com: 0
A / AAAA Records
- 66.96.149.31 ↩ 31.149.96.66.static.eigbox.net
Mail Server IPs
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.ipower.com dnsadmin.ipower.com 2015121475 10800 3600 604800 3600
Primary NS (mname)
ns1.ipower.com
Admin Email (rname)
dnsadmin@ipower.com
Serial
2015121475
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.ipower.com
ns2.ipower.com
SPF Record
✓ Strict (-all)
v=spf1 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
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms29705433
- SPFv=spf1 include:spf.protection.outlook.com -all
- SPFv=spf1 ip4:66.96.128.0/18 include:websitewelcome.com ?all
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