Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
explorasecurity.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 03:19:06 UTC · ↺ Refresh
MX Hostnames
- explorasecurity-com.mail.protection.outlook.com
MX Priorities
- explorasecurity-com.mail.protection.outlook.com: 1
A / AAAA Records
- 23.236.62.147 ↩ 147.62.236.23.bc.googleusercontent.com
Mail Server IPs
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1036.ui-dns.de hostmaster.1and1.co.uk 2017060619 28800 7200 604800 300
Primary NS (mname)
ns1036.ui-dns.de
Admin Email (rname)
hostmaster@1and1.co.uk
Serial
2017060619
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1036.ui-dns.biz
ns1036.ui-dns.de
ns1036.ui-dns.org
ns1036.ui-dns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; 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: 216 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
1 record- SPFv=spf1 include:spf.protection.outlook.com -all
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