Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bigbendsentinel.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 08:10:13 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt3.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
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt1.aspmx.l.google.com: 5
- alt4.aspmx.l.google.com: 10
A / AAAA Records
- 192.0.78.177
- 192.0.78.239
Mail Server IPs
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 172.253.62.27 ↩ bc-in-f27.1e100.net
- 2607:f8b0:4004:c23::1b ↩ yuiadrs-in-f27.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
SOA Record
Raw SOA
ns-cloud-d1.googledomains.com cloud-dns-hostmaster.google.com 12 21600 3600 259200 300
Primary NS (mname)
ns-cloud-d1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
12
Refresh
21600s
Retry
3600s
Expire
259200s
Minimum TTL
300s
Nameservers (NS)
ns-cloud-d2.googledomains.com
ns-cloud-d3.googledomains.com
ns-cloud-d4.googledomains.com
ns-cloud-d1.googledomains.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:servers.mcsv.net include:stripe.com include:_spf.wpcloud.com ?all
📊 DNS lookups: 4/10
? Neutral (?all) — no enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 237 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
9 records- facebook-domain-verification=tbddwvr35tb4rizm5trpr653d1hg7o
- google-site-verification=NB2QsXiO2uMlvgq7aqOoqGzB0o2bLj18h-TZuOgYOA8
- MS=ms37535263
- google-site-verification=UEBcxwsAh9nhEdqVLUZV6JSpqk1CTr5QJtUT23N5PzI
- google-site-verification=0ePL6dZUu2Cd5xypMjuXIKi0E4YfKA3JwvzSYPAkzQk
- atomic-domain-b27a3062c91160888fcee15fd436cb8cc0280485b76e9d72c4e4d1428d8faaff
- stripe-verification=08884427075d9c31960b73e145d647bf8b320850367c4e1c1f380299751d8697
- google-site-verification=CynO1tGxQKG8IJK9FDiVRGGQT0WOnMKQitHQ4oCcs3Y
- SPFv=spf1 include:_spf.google.com include:servers.mcsv.net include:stripe.com include:_spf.wpcloud.com ?all
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for bigbendsentinel.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits