Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
talk21.com
Yes
✓ Yes
Unknown
No
Yes
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 01:23:33 UTC · ↺ Refresh
MX Hostnames
- mx.bt.prod.cloud.openwave.ai
MX Priorities
- mx.bt.prod.cloud.openwave.ai: 1
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 65.20.50.207 (no PTR)
SOA Record
Raw SOA
ns0.bt.net hostmaster.bt.net 2001121876 28800 7200 604800 86400
Primary NS (mname)
ns0.bt.net
Admin Email (rname)
hostmaster@bt.net
Serial
2001121876
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns2.bt.net
ns0.bt.net
ns1.bt.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.btinternet.com include:bt.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; pct=100; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
4 records- qw4f547hqpvyzk0z9k9kbh4rv12trjwt
- xh98wyzwtjsz5skchtzxj4v274qbmvcd
- _ndpg9wv7iyy0rsaov2ok9xne3duxo03
- SPFv=spf1 include:_spf.btinternet.com include:bt.com ~all
Full email verification for talk21.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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