Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
grailbio.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 20:28:00 UTC · ↺ Refresh
MX Hostnames
- mailstream-east.mxrecord.io
- alt3.aspmx.l.google.com
- mailstream-west.mxrecord.io
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- alt1.aspmx.l.google.com
MX Priorities
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- aspmx.l.google.com: 4
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- mailstream-east.mxrecord.io: 1
- mailstream-west.mxrecord.io: 1
A / AAAA Records
- 44.236.231.87
- 44.245.48.51
Mail Server IPs
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
- 142.251.16.27 ↩ bl-in-f27.1e100.net
- 2607:f8b0:4004:c17::1b ↩ bl-in-f27.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
SOA Record
Raw SOA
ns-908.awsdns-49.net admin.grailbio.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-908.awsdns-49.net
Admin Email (rname)
admin@grailbio.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1326.awsdns-37.org
ns-1630.awsdns-11.co.uk
ns-459.awsdns-57.com
ns-908.awsdns-49.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:50.224.183.5 ip4:207.141.90.72 ip4:160.72.52.35 ip4:173.42.114.37 include:_spf.google.com include:_spf.paubox.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
google._domainkey
mail._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- zywave-domain-verification=T2gLMkIouSagylejqyt8hR1uQFzFohmH4ZvWk5vVIiA=
- atlassian-sending-domain-verification=a9f007a8-ec4e-47ac-be61-20b3d85e805f
- apple-domain-verification=NzPp59utEZZ7PEuO
- google-site-verification=o5JedP6x1Q0XEyvBsn0KlgxeH4RvQJ8Sn1EzQ_VUnoQ
- adobe-idp-site-verification=830f6c0b1d87ee64ef399523d0c361d9f4072d6a267f576281d6a380aad5ebb6
- SPFv=spf1 ip4:50.224.183.5 ip4:207.141.90.72 ip4:160.72.52.35 ip4:173.42.114.37 include:_spf.google.com include:_spf.paubox.com -all
- upspin:df9161f435284888559d9bf44d26a852cad4042f26103f67f3ab3d8360726bd2-7ddd392df053ab08bf8c1e9bee719ec6a6415931e42b18e132d64ee515230aa6
- paloaltonetworks-site-verification=a373652f62066007ed8998fc2bf93e9dd8dddb4ace85eb98ecf020eb63fcfe82
- cursor-domain-verification-399mw6=igjyEaBd5xz0bBj4WV215vKY6
- XBBjMM+MyZXTdh9p1crWh6T0/QtxO5T4I+WwcT056x0=
- MS=ms49255187
- duo_sso_verification=hrPeGqag174EllDvyah2LpekkPYFTWm2SFkpI1cES2BjY6ln7FxjYLikgUGIw1vT
- MS=ms64880364
- MS=4862C2AD8B0BAD1EC380DB5FF021DDBC290DB0F8
- atlassian-domain-verification=b7IFMt5WLR4YEiGvaQ0sDNBhJsDv2gsdhIPw7L2tTHGRXPb56INbs7M4hxPD2mav
- smartsheet-site-validation=1An4ZHPY6M7ZaXpDMS18YA_1tQTyfl6o
- prodpad-domain-verification=F6uTNt0IBLCd8COGp8IIXGEqBEHmWg8rrgZQMyy7NO4=
- slack-domain-verification=HDNjcfrJGN8cjrGb6TXyxZtQSFMWaCNpsKC3yCtA
- new-relic-domain-verification=de99ac14c48649bdaedbf185bbf6cdb7
- google-site-verification=VGYLtynRuBmg5LN4TGOroHOJ-A2hWQ6PDXZ29ew3fw0
- cloudflare_dashboard_sso=55a74843edf7ffb3a29cd04d6b77e083
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