Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bigdropinc.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 09:14:47 UTC · ↺ Refresh
MX Hostnames
- alt2.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt4.aspmx.l.google.com
- aspmx.l.google.com
- alt3.aspmx.l.google.com
MX Priorities
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
A / AAAA Records
- 172.67.148.191
- 104.21.29.100
- 2606:4700:3031::6815:1d64
- 2606:4700:3035::ac43:94bf
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::1b ↩ ws-in-x1b.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
- 142.250.31.26 ↩ bj-in-f26.1e100.net
- 2607:f8b0:4004:c0b::1b ↩ bj-in-f27.1e100.net
SOA Record
Raw SOA
ian.ns.cloudflare.com dns.cloudflare.com 2398360321 10000 2400 604800 1800
Primary NS (mname)
ian.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398360321
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ian.ns.cloudflare.com
kay.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:aspmx.pardot.com include:mail.zendesk.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; pct=100; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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
8 records- google-site-verification=hWGsO7GrSo98XkUYzCfNhXmuZd1oc2n1hahuRTsDPH4atl
- sending_domain548052=6fd7b4c9b353b9d7aaa4ac081c3d616580c3c892573368a33436b8e98b7d41e9
- DMARCv=DMARC1; p=reject; rua=mailto:[email protected]; pct=100; adkim=s; aspf=s
- SPFv=spf1 include:_spf.google.com include:aspmx.pardot.com include:mail.zendesk.com -all
- Account Engagement emails pass SPF automatically, but we recommend setting it up as a best practice.
- atlassian-domain-verification=h0rRQv7zhun4SGqKpHvVolKIHKHtcj96cBXdzXNe7VdiXZJnxaY4Qv4LGhYlZSEn
- google-site-verification=Bh1JMhC7iN2e3mYsJCRvXJfoGqLHgVxzx7nx-bTDtCM
- google-site-verification=PE5jPVfEwvaLl4mkS5h4xnuL86snUEC-N6fuJNYnzng
Full email verification for bigdropinc.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits