Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
marbleunlimitedinc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 09:40:37 UTC · ↺ Refresh
MX Hostnames
- mx04.hornetsecurity.com
- mx01.hornetsecurity.com
- marbleunlimitedinc-com.mail.protection.outlook.com
- mx02.hornetsecurity.com
- mx03.hornetsecurity.com
MX Priorities
- marbleunlimitedinc-com.mail.protection.outlook.com: 60
- mx03.hornetsecurity.com: 30
- mx01.hornetsecurity.com: 10
- mx02.hornetsecurity.com: 20
- mx04.hornetsecurity.com: 40
A / AAAA Records
- 23.227.38.65
Mail Server IPs
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.8
- 94.100.136.7
SOA Record
Raw SOA
ns1033.ui-dns.biz hostmaster.1und1.com 2017060248 28800 7200 604800 600
Primary NS (mname)
ns1033.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060248
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1125.ui-dns.de
ns1113.ui-dns.org
ns1101.ui-dns.com
ns1033.ui-dns.biz
SPF Record
✓ Strict (-all)
v=spf1 include:spf.hornetsecurity.com include:_spf.odoo.com include:spf.protection.outlook.com include:zcsend.net include:one.zoho.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; pct=100; adkim=r; aspf=r; rua=mailto:[email protected]; ri=86400; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
1 record- SPFv=spf1 include:spf.hornetsecurity.com include:_spf.odoo.com include:spf.protection.outlook.com include:zcsend.net include:one.zoho.com -all
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