Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
serlefin.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 10:40:28 UTC · ↺ Refresh
MX Hostnames
- serlefin-com.mail.protection.outlook.com
MX Priorities
- serlefin-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.20.47.206 (no PTR)
- 172.66.151.150 (no PTR)
- 2606:4700:10::6814:2fce
- 2606:4700:10::ac42:9796
Mail Server IPs
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
april.ns.cloudflare.com dns.cloudflare.com 2399192162 10000 2400 604800 1800
Primary NS (mname)
april.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399192162
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
april.ns.cloudflare.com
peter.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:md02.com include:spf1.masivapp.com include:_spf.us.sendclean.net include:spf.protection.outlook.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=15
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 15% of failing messages only
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
3 records- 3i69vn81rfm7clqbhhpl02g1bm
- MS=40AB2C552E60993CC6DE3B0BC7B8A5A503CD7ABC
- SPFv=spf1 include:md02.com include:spf1.masivapp.com include:_spf.us.sendclean.net include:spf.protection.outlook.com ~all
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