postscript.io

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
postscript.io
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 01:19:51 UTC · ↺ Refresh

MX Hostnames

  • aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt2.aspmx.l.google.com

MX Priorities

No priority data.

A / AAAA Records

  • 99.83.231.61

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns-1021.awsdns-63.net
ns-1106.awsdns-10.org
ns-2022.awsdns-60.co.uk
ns-448.awsdns-56.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:mailgun.org include:6202253.spf04.hubspotemail.net include:mail.zendesk.com include:_spf.sendergen.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; adkim=s; aspf=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Strict
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

21 records
  • slack-domain-verification=hcyDllJJd2yJ4Ij9xC0q7A6cRaorZEyTsngW5gsj
  • anthropic-domain-verification-6bqccc=SBJfPB5VWGjDif82WBy0FeMlz
  • apple-domain-verification=CXuReZDy7oxFV15U
  • jetbrains-domain-verification=5pn1avvpxsp9lec8u7usqifz6
  • SPFv=spf1 include:_spf.google.com include:mailgun.org include:6202253.spf04.hubspotemail.net include:mail.zendesk.com include:_spf.sendergen.com ~all
  • stripe-verification=bfa3b8a03c3b469fadf2cdfeca37d5190ff86cd971cbff7b665952bcdd245864
  • 1password-site-verification=NCCZYHHMFBB6HMF35QQS4OEMY4
  • asv=5bfa33852be7f456bbc2062641d2104d
  • include:mail.zendesk.com
  • atlassian-sending-domain-verification=d1ab5438-993d-4ba4-b9cb-411c998cde95
  • openai-domain-verification=dv-Qjn8Sq28UiBlC5kkw6RC3ff8
  • openai-domain-verification=dv-VNvAYa6wa3jnClZiZY5eKr3K
  • MS=ms83340184
  • mongodb-site-verification=5SBHKpK574sSfg3kGG8EKEXUXUcK2gtR
  • google-site-verification=QSrXk5fDyhVx5iTeQBU2o6mbe4xSoAZRQcLfj2s4MDw
  • postman-domain-verification=bdcf50a89838911efcf67cb180efe22d3585e30526139fb026a194959373084fc5284641f638c8ef4bb2c803e67f7d07f455495a137a032a99701fe63b375f68
  • mongodb-site-verification=WryyIpku6yfoDjLp7wMU546F7hbpovcL
  • ZOOM_verify_LxKFRNzPOlJgHv5rxhHTLS
  • cursor-domain-verification-ytw5gy=ie6wE36eIHOemcFD0rHfoc6CK
  • atlassian-domain-verification=7ye5iv36NTjpzJaqoEAik1dRGCUDeP/gDTFJRpZvLEgEUdGVfcpUWyaARjDJ4g6D
  • google-site-verification=xpYzzRom7f-LvCHwSEdDLrnL26YkhTaf7VzxlTOEW6k
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