arco.com.tw

Valid Email Server
Domain Lookup › arco.com.tw

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
arco.com.tw
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-18 07:58:41 UTC · ↺ Refresh

MX Hostnames

  • sslmail.tw

MX Priorities

  • sslmail.tw: 10

A / AAAA Records

  • 210.61.165.108 ↩ sslmail.tw

Mail Server IPs

  • 210.61.165.108 ↩ sslmail.tw

SOA Record

Raw SOA dns.arco.com.tw postmaster.arco.com.tw 2017032101 3600 600 1209600 3600
Primary NS (mname)
dns.arco.com.tw
Admin Email (rname)
postmaster@arco.com.tw
Serial
2017032101
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns2.arco.com.tw
dns.arco.com.tw

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx include:sslmail.tw ?all
📊 DNS lookups: 3/10
? Neutral (?all) — no enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 a mx include:sslmail.tw ?all
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