Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
us.roxtec.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 18:33:39 UTC · ↺ Refresh
MX Hostnames
- us-roxtec-com.mail.protection.outlook.com
MX Priorities
- us-roxtec-com.mail.protection.outlook.com: 5
A / AAAA Records
- 195.67.103.14 (no PTR)
Mail Server IPs
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.roxtec.com hostmaster.roxtec.com 2026031500 10800 3600 604800 86400
Primary NS (mname)
ns1.roxtec.com
Admin Email (rname)
hostmaster@roxtec.com
Serial
2026031500
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns2.roxtec.com
ns1.roxtec.com
SPF Record
✓ Strict (-all)
v=spf1 a:smtp1.roxtec.com a:smtp2.roxtec.com include:spf.protection.outlook.com include:mktomail.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
2 records- SPFv=spf1 a:smtp1.roxtec.com a:smtp2.roxtec.com include:spf.protection.outlook.com include:mktomail.com -all
- wZLoY0z8Ce7sow9Ej8X3zXKayyzvNsogmHd5aoJt76m8QJML9q6aIiy6buZ3NawwjvhtAmhwjQKgUGt56xEcFA==
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