Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
swbell.net
Yes
✓ Yes
Yahoo
No
Yes
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 05:40:39 UTC · ↺ Refresh
MX Hostnames
- mx-att.mail.am0.yahoodns.net
MX Priorities
- mx-att.mail.am0.yahoodns.net: 10
A / AAAA Records
- 151.164.129.2 ↩ swbell.net
Mail Server IPs
- 98.138.3.192 ↩ mtaproxy1.att.mail.vip.ne1.yahoo.com
- 98.137.26.68 ↩ mtaproxy1.att.mail.vip.gq1.yahoo.com
- 74.6.144.41 ↩ mtaproxy1.att.mail.vip.bf1.yahoo.com
SOA Record
Raw SOA
ns0.attdns.com eiss-dns.att.com 2025080601 3600 1800 2592000 300
Primary NS (mname)
ns0.attdns.com
Admin Email (rname)
eiss-dns@att.com
Serial
2025080601
Refresh
3600s
Retry
1800s
Expire
2592000s
Minimum TTL
300s
Nameservers (NS)
a1-212.akam.net
a8-64.akam.net
a5-67.akam.net
a4-66.akam.net
a14-65.akam.net
a9-66.akam.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_ipspf.yahoo.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo 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 include:_ipspf.yahoo.com ~all
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