Domain Overview
DNS: ✓ just now
Checker: ✓ just now
tb-i.eu
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-09-23 10:01:37 UTC · ↺ Refresh
MX Hostnames
- mx.tb-i.eu
MX Priorities
- mx.tb-i.eu: 10
A / AAAA Records
- 213.158.84.48 ↩ ns1521.webempresa.eu
Mail Server IPs
- 217.244.2.110 ↩ mx.tb-i.eu
SOA Record
Raw SOA
ns1521.webempresa.eu servidores.wpdoctor.es 2022012722 3600 1800 1209600 86400
Primary NS (mname)
ns1521.webempresa.eu
Admin Email (rname)
servidores@wpdoctor.es
Serial
2022012722
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1521.webempresa.eu
ns1522.webempresa.eu
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:213.158.84.48 ip4:213.158.84.48 include:_spf.webempresa.eu +a +mx +ip4:217.244.2.110 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=none
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:213.158.84.48 ip4:213.158.84.48 include:_spf.webempresa.eu +a +mx +ip4:217.244.2.110 ~all
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