mark43.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
mark43.com
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-21 06:36:30 UTC ยท โ†บ Refresh

MX Hostnames

  • mark43-com.mail.protection.outlook.com

MX Priorities

  • mark43-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 141.193.213.11 (no PTR)
  • 141.193.213.10 (no PTR)

Mail Server IPs

  • 52.101.9.0 โ†ฉ mail-bl2pr02cu00100.inbound.protection.outlook.com
  • 52.101.10.18 โ†ฉ mail-bn8pr05cu00302.inbound.protection.outlook.com
  • 52.101.10.14 โ†ฉ mail-bn6pr04cu00206.inbound.protection.outlook.com
  • 52.101.41.4 โ†ฉ mail-sj2pr05cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::1 โ†ฉ mail-dm6pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:f90a::1 โ†ฉ mail-bn8pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 โ†ฉ mail-sj2pr05cu00505.inbound.protection.outlook.com
  • 2a01:111:f403:c801:: โ†ฉ mail-sa9pr02cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1394.awsdns-46.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1394.awsdns-46.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1922.awsdns-48.co.uk
ns-441.awsdns-55.com
ns-672.awsdns-20.net
ns-1394.awsdns-46.org

SPF Record

โœ“ Strict (-all)
v=spf1 ip4:198.2.180.158 ip4:198.2.180.123 include:_spf.google.com include:_spf.salesforce.com include:_spf.atlassian.net include:_spf.psm.knowbe4.com include:mail.zendesk.com include:spf.protection.outlook.com include:mktomail.com -all
๐Ÿ“Š DNS lookups: 7/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ“ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; rf=afrf; ri=86400; sp=none
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]
โ†ณ Subdomain policy: none

DKIM Selectors

โœ“ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
โœ“ Public key: 392 chars (valid)
โœ“ DKIM properly configured for selector: google

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

All TXT Records

27 records
  • parallels-domain-verification=32fb146a4b814c38ab361c160213de62f9c9e7335f9f44dc9c6323597adf8a84
  • amazonses:gMSo1OZMT1vT/hji7eyy9eGMLdnBqkBigY/RZi08Ews=
  • l2mt5-2OyS_4Sl46eRiw7X8
  • adobe-idp-site-verification=ca7c1b9607fb430e3dd680e8726dd59e2efb8b599bd76ec75dcdf7b8874aa9b8
  • apple-domain-verification=iXuChQlZIjchGZI5
  • MS=ms35342290
  • google-site-verification=rj5Mq7m1Aff9gugeMyMxaRXMWLzlZtwv8d2U4NQXbIg
  • google-site-verification=JvFhw0tYwBmvv4bmfmoiD6EzLT5uInvcHTa8gJhwV2I
  • domain-verification=UDJEQTNRcXlGM04zQmxtSXFuMW5yMExNRmhydy1DMzVmZGRkUTZJVFEzT0g2VWNkNHhSWml4ZE5k
  • pendo-domain-verification=q3qK1u-qo2vH8F0c1sqJDmGaw_c
  • a6d8d6b77c4042598bd1eeda15f2d42e
  • mixpanel-domain-verify=24afbb14-e6c0-435a-9cd5-ceb316f6c9af
  • logmein-verification-code=d9987bae-0d3c-4a9f-803f-7683aec7903d
  • status-page-domain-verification=wxbw829qssmn
  • MS=ms77708506
  • openai-domain-verification=dv-MfeRNKW5CC8w5UaNu36mGX2P
  • zapier-domain-verification-challenge=ab8cf18a-0b54-4e91-96e7-0e59bfbf8b1b
  • cursor-domain-verification-kvp5b3=117m2t34TxelqNeZ65mGPGoux
  • google-site-verification=kPULjQOcyPMN_kaiHNQD453dn-2JcpTnN7eoXZOz85s
  • anthropic-domain-verification-37zbzn=tfQD45bTm4B6YiXNekAFXulE0
  • google-site-verification=zV6Wa4u6XhOyOiw2Fnxye15JdK73FUpfm7x09pE2ALs
  • SPFv=spf1 ip4:198.2.180.158 ip4:198.2.180.123 include:_spf.google.com include:_spf.salesforce.com include:_spf.atlassian.net include:_spf.psm.knowbe4.com include:mail.zendesk.com include:spf.protection.outlook.com include:mktomail.com -all
  • google-site-verification=PKibsQ4Yj-utdTUIY2JMJ2gKOhaMXQUQh2AmFVyMPvs
  • google-site-verification=TJYPBWtYa0nMg_UxiWsdMtwbYzXt_tdSi_yKYu23RIY
  • google-site-verification=W6wpPxDUrhqjs33v5MLVJgd26rZ65hJRKU2nViVrMU4
  • google-site-verification=7GW0DSXLbrcr6XhLEcFDA37Av7V_r56iQmClO8c3tWs
  • atlassian-domain-verification=OePbtNNG/kKrTTKimkkhOsPPczBqkYSl75bueGjzbPuCwPJwk4a/UcXslTFbpswx
Full email verification for mark43.com

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

SPF / DKIM / DMARC Get 1,000 Free Credits