Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
upc.tax
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 04:14:27 UTC · ↺ Refresh
MX Hostnames
- mail.upc.tax
MX Priorities
- mail.upc.tax: 10
A / AAAA Records
- 169.62.135.156 ↩ dominios.atica.mx
Mail Server IPs
- 201.116.241.58 ↩ mail.upc.tax
SOA Record
Raw SOA
ns1.softlayer.com support.softlayer.com 2026030200 7200 600 1728000 43200
Primary NS (mname)
ns1.softlayer.com
Admin Email (rname)
support@softlayer.com
Serial
2026030200
Refresh
7200s
Retry
600s
Expire
1728000s
Minimum TTL
43200s
Nameservers (NS)
ns1.softlayer.com
ns2.softlayer.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:201.116.241.58/28 ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected], mailto:[email protected]; pct=100; adkim=r; aspf=r
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]
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
2 records- google-site-verification=rX0gKyrSqg5_ud2PNxPc6CDL8NqpJN8wqcJDYUbR1Qo
- SPFv=spf1 mx ip4:201.116.241.58/28 ~all
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