demco.org

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
demco.org
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-26 11:41:36 UTC ยท โ†บ Refresh

MX Hostnames

  • mx.us.mailmarshal.cloud

MX Priorities

  • mx.us.mailmarshal.cloud: 1

A / AAAA Records

  • 192.124.249.3 โ†ฉ cloudproxy10003.sucuri.net

Mail Server IPs

  • 20.81.234.0 โ†ฉ mx.us.mailmarshal.cloud
  • 52.165.80.64 โ†ฉ mx.us.mailmarshal.cloud
  • 2602:f8d5:a1:1:: โ†ฉ mx.us.mailmarshal.cloud
  • 2602:f8d5:a1:8001:: โ†ฉ mx.us.mailmarshal.cloud

SOA Record

Raw SOA ns93.worldnic.com namehost.worldnic.com 125061112 10800 3600 604800 3600
Primary NS (mname)
ns93.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125061112
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns93.worldnic.com
ns94.worldnic.com

SPF Record

โœ“ Soft Fail (~all)
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:spf-us.emailsignatures365.com ~all
๐Ÿ“Š DNS lookups: 2/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ“ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; fo=1
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 3 found
selector1._domainkey
selector2._domainkey
k1._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

5 records
  • SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email include:spf-us.emailsignatures365.com ~all
  • apple-domain-verification=mS2wsLtmn10FNcem
  • duo_sso_verification=pasVHr58gf5fZDbq1Mm9ZRh2imDZR1HFG7w4SQlGD2nifUbMya2jxvAkiUCsDDnW
  • MS=ms10912751
  • MS=14733BE1AD21BF0491CBA29D08533E04B4BEE0D0
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