strellson.com

Valid Email Server

Domain Overview

DNS: โœ“ 3d ago Checker: โœ“ 3d ago
strellson.com
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-05-18 09:40:19 UTC ยท โ†บ Refresh

MX Hostnames

  • strellson-com.mail.protection.outlook.com

MX Priorities

  • strellson-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 4.184.181.163 (no PTR)

Mail Server IPs

  • 52.101.185.12 โ†ฉ mail-zrap278cu00304.inbound.protection.outlook.com
  • 52.101.185.13 โ†ฉ mail-zrzp278cu00205.inbound.protection.outlook.com
  • 52.101.185.14 โ†ฉ mail-zr1p278cu00206.inbound.protection.outlook.com
  • 52.101.187.1 โ†ฉ mail-gvap278cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::2 โ†ฉ mail-zr1p278cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca3e::1 โ†ฉ mail-gvap278cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c:: โ†ฉ mail-zrap278cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::1 โ†ฉ mail-zrzp278cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA a.managed-ns.com domainadmin.managed-ip.com 2026045941 43200 7200 1209600 86400
Primary NS (mname)
a.managed-ns.com
Admin Email (rname)
domainadmin@managed-ip.com
Serial
2026045941
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

a.managed-ns.com
b.managed-ns.de

SPF Record

โœ“ Strict (-all)
v=spf1 mx a include:spf.pvs-rs.com include:spf.protection.outlook.com include:hosting_spf.hrd-portal.net -all
๐Ÿ“Š DNS lookups: 5/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ“ Reject
v=DMARC1; p=reject; fo=1; adkim=s; aspf=s
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Strict ยท DKIM alignment: Strict
โš  No aggregate reports (rua= not set)

DKIM Selectors

โœ“ 2 found
selector1._domainkey
selector2._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

5 records
  • SPFv=spf1 mx a include:spf.pvs-rs.com include:spf.protection.outlook.com include:hosting_spf.hrd-portal.net -all
  • miro-verification=bb8748a1312430f9861b05e35c48cc73d0c62391
  • jtokmZxsWxe2CXC16ewYUdg0/GFfHFplvpd4KqPgBq0ELpvCovk+1CSQolyxVxYTqoItG7gMIYlcdH0uuzn22g==
  • atlassian-domain-verification=eVLAIVYDIpK47w4Vm8aLCupH1snOVsQubEC20qTWW7kY1eaP7aoK9HLJzGlJWKRB
  • MS=ms29463471
Full email verification for strellson.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits