yappa.dev

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
yappa.dev
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-22 23:28:13 UTC · ↺ Refresh

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MX Hostnames

  • yappa-dev.mail.protection.outlook.com

MX Priorities

  • yappa-dev.mail.protection.outlook.com: 0

A / AAAA Records

  • 3.168.102.81 ↩ server-3-168-102-81.jfk52.r.cloudfront.net
  • 3.168.102.54 ↩ server-3-168-102-54.jfk52.r.cloudfront.net
  • 3.168.102.39
  • 3.168.102.123

Mail Server IPs

  • 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
  • 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
  • 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
  • 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c927::6 ↩ mail-bn3pr0501cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1356.awsdns-41.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1356.awsdns-41.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-456.awsdns-57.com
ns-887.awsdns-46.net
ns-1356.awsdns-41.org
ns-1636.awsdns-12.co.uk

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

4 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms21212198
  • atlassian-domain-verification=xCM75t22lzmAAJ/lGOFbahOCUvfIIyWe1K6nvK7xeD0SbMEj4qziEmfSGaEpzpAx
  • google-site-verification=CUHuWYsIcvF_3isQLXAKw0KQslnM141W0Aw6x6e3cuY
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