Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bigwing.com.tw
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 20:57:36 UTC · ↺ Refresh
MX Hostnames
- mail.bigwing.com.tw
MX Priorities
- mail.bigwing.com.tw: 0
A / AAAA Records
- 162.241.224.173 ↩ box5140.bluehost.com
Mail Server IPs
- 162.241.224.173 ↩ box5140.bluehost.com
SOA Record
Raw SOA
ns1.bluehost.com root.bluehost.com 126020312 10800 3600 604800 3600
Primary NS (mname)
ns1.bluehost.com
Admin Email (rname)
root@bluehost.com
Serial
126020312
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns1.bluehost.com
ns2.bluehost.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ptr include:websitewelcome.com ?all
📊 DNS lookups: 4/10
? Neutral (?all) — no enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=none;adkim=s;aspf=s;pct=100;fo=0;rf=afrf;ri=86400;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx ptr include:websitewelcome.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 bigwing.com.tw
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits