marrow.red

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
marrow.red
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-31 01:53:11 UTC ยท โ†บ Refresh

MX Hostnames

  • marrow-red.mail.protection.outlook.com

MX Priorities

  • marrow-red.mail.protection.outlook.com: 0

A / AAAA Records

  • 34.196.120.239 โ†ฉ ec2-34-196-120-239.compute-1.amazonaws.com

Mail Server IPs

  • 52.101.148.3 โ†ฉ mail-dx3p273cu00103.inbound.protection.outlook.com
  • 52.101.147.1 โ†ฉ mail-au1p273cu00101.inbound.protection.outlook.com
  • 52.101.148.1 โ†ฉ mail-dx1p273cu00301.inbound.protection.outlook.com
  • 52.101.148.13 โ†ฉ mail-dx2p273cu00205.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1363.awsdns-42.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1363.awsdns-42.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-25.awsdns-03.com
ns-534.awsdns-02.net
ns-1363.awsdns-42.org
ns-1877.awsdns-42.co.uk

SPF Record

โœ“ Strict (-all)
v=spf1 ip4:40.107.143.54 include:spf.protection.outlook.com include:amazonses.com include:intercom-mail.com include:outbound.smtp.wisestamp.net -all
๐Ÿ“Š DNS lookups: 4/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=20; fo=1; adkim=r; aspf=r
~ Quarantine โ€” good protection (failing mail goes to spam)
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]
โš  Policy applies to 20% of failing messages only

DKIM Selectors

โœ“ 2 found
selector1._domainkey
selector2._domainkey
โœ“ Public key: 392 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

3 records
  • MS=ms19113368
  • google-site-verification=vmxBUS4JDU1VdNxGkbIAKf5QAzmP69agA57F8uShu_4
  • SPFv=spf1 ip4:40.107.143.54 include:spf.protection.outlook.com include:amazonses.com include:intercom-mail.com include:outbound.smtp.wisestamp.net -all
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