Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
500.co
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 20:12:32 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- alt3.aspmx.l.google.com
MX Priorities
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- aspmx.l.google.com: 1
A / AAAA Records
- 76.76.21.21
Mail Server IPs
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
- 172.253.63.26 ↩ bi-in-f26.1e100.net
- 2607:f8b0:4004:c17::1b ↩ bl-in-f27.1e100.net
SOA Record
Raw SOA
ns1.dnsimple.com admin.dnsimple.com 1434996198 86400 7200 604800 300
Primary NS (mname)
ns1.dnsimple.com
Admin Email (rname)
admin@dnsimple.com
Serial
1434996198
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns2.dnsimple.com
ns3.dnsimple.com
ns4.dnsimple.com
ns1.dnsimple.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:sendgrid.net include:_spf.google.com include:servers.mcsv.net include:_spf.salesforce.com include:spf.sendinblue.com include:spf.tipalti.com include:aspmx.pardot.com include:698640.spf10.hubspotemail.net ~all
📊 DNS lookups: 9/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=none; rua=mailto:[email protected]; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 5 found
google._domainkey
mail._domainkey
k1._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
23 records- hubspot-domain-verification=OWI0Y2NkZWItZmI2NS00Mzk0LTkxZGItNjJiZmYzMTk2MDUy
- box-domain-verification=7e40ce4e68457de70596b7af447972d97be2cc4a78c68791cb347f8094966ebd
- 00D4W000005j2h4=1TBUt00000000Mb
- Sendinblue-code:9ec3dcaa8de339f612efbc5178b9f95e
- canva-domain-verify=052eff73-eff7-473f-bdff-6ed8ed5fa7c5
- 1password-site-verification=ZALGSLLYWVDUVH3ET6NRDV64HE
- MS=ms50217208
- google-site-verification=qB_-0kFiZVJbgId3oNlC0ErokaUxb9IXn6-kf0b9K_I
- slack-domain-verification=1geYcUe7gGK6xumq9MitK7r2yElL5PA3Spuyum1F
- cloudflare_dashboard_sso=569adf1cac787154448fc8df56014eb9
- dropbox-domain-verification=a5pf6l8lk50o
- sending_domain1076052=fef0ef474ca893bbe3bab3f385befca9c39e8e0b512e62775b014c91212bf342
- anthropic-domain-verification-qcxqte=ctiq4K988k8DGcGx95E0Gm4Nw
- google-site-verification=oaO51kyQ1m51K06jTqnyHXGFyLxU95_8QvHrGu2m0FY
- canva-site-verification=CkYBe8qhBO0ZliqGL7SvTg
- ZOOM_verify_Iu05MfwriVSwwnM4ywN5m2
- qDzrmTPnm8iGNbwTDWKfgt4nz67.@P
- SPFv=spf1 mx include:sendgrid.net include:_spf.google.com include:servers.mcsv.net include:_spf.salesforce.com include:spf.sendinblue.com include:spf.tipalti.com include:aspmx.pardot.com include:698640.spf10.hubspotemail.net ~all
- atlassian-sending-domain-verification=5fa5c0da-bc3e-4a0f-a81d-be5f67c4de79
- 5482A6FCE5
- atlassian-domain-verification=/qaux0qODxLUdl2Sy1iNlPukiqGgGxpKb9BxYO7S3X8bYJrOLjRYH4/MR/QbaDRa
- 802j1hh1h7u71og38jn8pk2m7q
- google-site-verification=cxBTsDwJh8sis5BiGIK2HHtR-lRD90-r_eVcTP6Y0Xw
Full email verification for 500.co
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