Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
swirl.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 12:51:16 UTC · ↺ Refresh
MX Hostnames
- swirl-net.mail.protection.outlook.com
MX Priorities
- swirl-net.mail.protection.outlook.com: 0
A / AAAA Records
- 165.160.15.20 (no PTR)
- 165.160.13.20 (no PTR)
Mail Server IPs
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.netnames.net hostmaster.cscdns.net 2018080116 10800 1800 3600000 86400
Primary NS (mname)
ns1.netnames.net
Admin Email (rname)
hostmaster@cscdns.net
Serial
2018080116
Refresh
10800s
Retry
1800s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns2.netnames.net
ns5.netnames.net
ns6.netnames.net
ns1.netnames.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_netblocks.mimecast.com -all
📊 DNS lookups: 2/10
✓ 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
✓ DKIM properly configured for selector: selector1
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:_netblocks.mimecast.com -all
- MS=ms31727275
- google-site-verification=mBPcCwkzjMTcpP7BTeB-yMuF8Pd8moHnTgKu767my1A
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