Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
grandrounds.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 21:43:26 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
MX Priorities
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
A / AAAA Records
- 162.159.135.42
Mail Server IPs
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 142.251.167.26 ↩ ww-in-f26.1e100.net
- 2607:f8b0:4004:c25::1a ↩ yuiadtq-in-f26.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.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
SOA Record
Raw SOA
ns-290.awsdns-36.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-290.awsdns-36.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1573.awsdns-04.co.uk
ns-290.awsdns-36.com
ns-749.awsdns-29.net
ns-1478.awsdns-56.org
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:sendgrid.net include:_spf.salesforce.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected], mailto:[email protected]; ruf=mailto:[email protected]; aspf=r
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]
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
15 records- onetrust-domain-verification=6070fabd98bb48b5b6f7f73eea9e409a
- pBuVvaj4j-zaXP8oshwgkCa-qV6JTQ
- slack-domain-verification=UFD9WDEZYJDuQC9yZrmUI0OKJc0p2BYwd7TYVUes
- SPFv=spf1 include:_spf.google.com include:sendgrid.net include:_spf.salesforce.com -all
- virtru-site-verify=51GHWOIEydofi34018pDOIHSGd47sgfir9917nds
- SFMC-SjdAV_Bdg_Y5fl7GIvLppFdzcvaFWrqh5K8buT2i
- ZOOM_verify_mCZTfr6_RdixRhN54cvAKQ
- adobe-idp-site-verification=7626135373832e219be43470a65223c3bbe8e60acc18b65a7392fea702dc9f81
- atlassian-domain-verification=MOp7DXhMJ4PEYJFs7Yl70V6Nh+xyFk1ZHTUKkZ0DKwgwbGlo0yHE3zlfvhepzIiI
- ca3-71f27a533dd74a88ae5a348aa5940eea
- cisco-ci-domain-verification=26bc32b56093612acafeec296c078d28fd14104b2732d4c2f9b1cdc9c289d710
- facebook-domain-verification=4h3j0qx7b8r156c3kxxl531em7um4i
- google-site-verification=-OdY5COC3qIfnPaK8TJj_sAk_lN84rpVeVGtwK7Rw40
- google-site-verification=Kzo29guS3pNTDw8087HSBA8224ZgLjbwDSJmA_NWTBc
- google-site-verification=aoY4_1KCvIjxYlIZ2Enfne_dnF-DWXSZv7j5ffLLRzs
Full email verification for grandrounds.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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