540.co

Valid Email Server

Domain Overview

DNS: ✓ 21d ago Checker: ✓ 21d ago
540.co
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-20 22:05:23 UTC · ↺ Refresh

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MX Hostnames

  • aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • aspmx2.googlemail.com
  • alt2.aspmx.l.google.com
  • aspmx3.googlemail.com

MX Priorities

  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • aspmx2.googlemail.com: 10
  • aspmx3.googlemail.com: 10

A / AAAA Records

  • 34.160.236.39 ↩ 39.236.160.34.bc.googleusercontent.com

Mail Server IPs

  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 142.251.179.27 ↩ pd-in-f27.1e100.net
  • 2607:f8b0:4004:c1f::1a ↩ pd-in-f26.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 172.253.116.26 ↩ dj-in-f26.1e100.net

SOA Record

Raw SOA ns-1644.awsdns-13.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1644.awsdns-13.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1644.awsdns-13.co.uk
ns-216.awsdns-27.com
ns-893.awsdns-47.net
ns-1508.awsdns-60.org

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; pct=5;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 5% of failing messages only

DKIM Selectors

✓ 1 found
google._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

17 records
  • SPFv=spf1 include:_spf.google.com ~all
  • vnn8iiadadhmbh1fehv10p1ojl
  • 32570C1B3F
  • 4nji81kbher07jktj0qfcjfohh
  • IqyJI5Mk88kOEkP3iKEhFf03c83ZbHXELaqK6fHNd+Y=
  • MS=ms87829824
  • adobe-idp-site-verification=e3922646b7df85840c228b1acc8327ac6677f8ca954cd7d0af107993f6111493
  • anthropic-domain-verification-npy2b4=jTmucV343gmbt5VmfTF2c2o0P
  • apple-domain-verification=NFPufjIE30f1uwWi
  • atlassian-domain-verification=Ur8cbq47uGxZZd4FuszFUWlQSa5q2P8Kx/DVGxxe7ZFb0pAjJLIATcUWnvs0vzp4
  • bw=ORzXNo91OLioFs0ON5d3WuNFXZqJMElDjcDSGpXuKwhd
  • figma-domain-verification=d8c9cf53e9ba41d584bd7420920ce70d089ff58385674e505b46ce3b7f7359d9-1744127760
  • google-site-verification=cVRec2lUL5PpyXDC1Rzg8GLyeK8KyFWBUwa_Lv2hQJQ
  • j6i50l2a6r482cp1c0m2hn7i3o
  • jamf-site-verification=e4iqt7RPzim_320lXQpc_g
  • otbudi15l2tl5h7kq6aidbdbmv
  • slack-domain-verification=bYyyxTpmhHrQ7Azjgji9q1SpCmk2sON9AM4uLK3E
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