Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
duetorrihotels.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 08:15:23 UTC · ↺ Refresh
MX Hostnames
- duetorrihotels-com.mail.protection.outlook.com
MX Priorities
- duetorrihotels-com.mail.protection.outlook.com: 0
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.x4w.net hostmaster.x4w.net 2025100908 86400 3600 1209600 14400
Primary NS (mname)
ns1.x4w.net
Admin Email (rname)
hostmaster@x4w.net
Serial
2025100908
Refresh
86400s
Retry
3600s
Expire
1209600s
Minimum TTL
14400s
Nameservers (NS)
ns2.rhx.info
ns1.x4w.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.synxis.com include:_spf.bookassist.com ip4:93.62.208.146 ip4:93.62.208.143 ip4:93.62.208.140 ip4:93.62.208.147 ip4:93.62.208.155 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=25;rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 25% of failing messages only
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms86937138
- SPFv=spf1 include:spf.protection.outlook.com include:spf.synxis.com include:_spf.bookassist.com ip4:93.62.208.146 ip4:93.62.208.143 ip4:93.62.208.140 ip4:93.62.208.147 ip4:93.62.208.155 -all
- DMARCv=DMARC1; p=none; pct=100; rua=mailto:[email protected]
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