onlinecheckwriter.com

Valid Email Server
Domain Lookup › onlinecheckwriter.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
onlinecheckwriter.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-09 12:03:00 UTC · ↺ Refresh

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MX Hostnames

  • onlinecheckwriter-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 52.85.31.82 ↩ server-52-85-31-82.jfk50.r.cloudfront.net
  • 52.85.31.23 ↩ server-52-85-31-23.jfk50.r.cloudfront.net
  • 52.85.31.44
  • 52.85.31.30

Mail Server IPs

  • 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
  • 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns-365.awsdns-45.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-365.awsdns-45.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-365.awsdns-45.com
ns-635.awsdns-15.net
ns-1518.awsdns-61.org
ns-1965.awsdns-53.co.uk

SPF Record

✓ Soft Fail (~all)
v=spf1 include:zcsend.net include:spf.protection.outlook.com include:transmail.net include:_spf-moon-ray.ontramail.com include:_spf-ontramail.ontramail.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

7 records
  • facebook-domain-verification=xuw4ybx0pg7lfulpy3wx4uk7fls6ll
  • google-site-verification=3qLPni8PEcvXxyxAtWQVBa_iijo2oyDya2ne_kd2oxw
  • google-site-verification=gZBK5yOf9WK8_hALOnxlBoOsjVJar4DxkgjXUfJUGPc
  • openai-domain-verification=dv-psWJ7IPhzWMOfsQi3CFuwSMP
  • postman-domain-verification=23328003ecc25dd1405724e2dc7c1f658dc8b9c58062ed8fb43c2e4282a3335cca670cc0cd14502662fd26e7f3fa89eb352285854f571bc75e2fa08fb2e4bfd0
  • SPFv=spf1 include:zcsend.net include:spf.protection.outlook.com include:transmail.net include:_spf-moon-ray.ontramail.com include:_spf-ontramail.ontramail.com ~all
  • MS=ms89613990
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