Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
sra.nu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-06 13:03:54 UTC · ↺ Refresh
MX Hostnames
- sra-nu.mail.protection.outlook.com
MX Priorities
- sra-nu.mail.protection.outlook.com: 0
A / AAAA Records
- 185.157.223.250 ↩ redirects.domainname.systems
Mail Server IPs
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.dnshost.net zonemaster\@dnshost.net 1738143213 43200 3600 604800 3600
Primary NS (mname)
ns1.dnshost.net
Admin Email (rname)
zonemaster\@dnshost@net
Serial
1738143213
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.dnshost.net
ns1.dnshost.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.mailanyone.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.mailanyone.net -all
- MS=ms70933758
- vpe=cea9895f
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