Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
arlun.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 12:46:39 UTC · ↺ Refresh
MX Hostnames
- arlun-com.mail.protection.outlook.com
MX Priorities
- arlun-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.24.58 (no PTR)
- 172.67.217.32 (no PTR)
- 2606:4700:3032::6815:183a
- 2606:4700:3035::ac43:d920
Mail Server IPs
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
SOA Record
Raw SOA
cruz.ns.cloudflare.com dns.cloudflare.com 2396112653 10000 2400 604800 1800
Primary NS (mname)
cruz.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396112653
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
owen.ns.cloudflare.com
cruz.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; fo=1; adkim=r; aspf=r
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
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
6 records- knowbe4-site-verification=391222572d5116590326177fa17212cb
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com ~all
- 4RcqNxcTScdNJY54/BE4URB/DWxCI4J0TvM3PnelZ+Za2+B6XJmlp5k+IDnq99HkNlXGr1n+MOmwNRajCKJg7A==
- MS=ms19748104
- apple-domain-verification=xk4KkRl5WfpgcSCY
- cN1hVUCt3iiGWvhNjy9bH2yfgnKrpm
Full email verification for arlun.com
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