Domain Overview
DNS: ✓ just now
Checker: ✓ just now
ctc.es
No
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-21 07:27:25 UTC · ↺ Refresh
MX Hostnames
MX Priorities
- : 0
A / AAAA Records
- 134.199.240.162 (no PTR)
- 2604:a880:800:14::1:f06c:6000 (no PTR)
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
ns1.nameshift.com hostmaster.nameshift.com 1779346800 3600 1200 604800 3600
Primary NS (mname)
ns1.nameshift.com
Admin Email (rname)
hostmaster@nameshift.com
Serial
1779346800
Refresh
3600s
Retry
1200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
poit15.ns3.nameshift.com
ns1.nameshift.com
ns2.nameshift.com
SPF Record
✗ Invalid
v=spf1 -all
📊 DNS lookups: 0/10
⚠ Strict -all with no allowed senders — no servers can send email for this domain.
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;adkim=s;aspf=s;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
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
3 records- 99262a05fdba6feaf0310b14cec5ecae48f31ed6
- SPFv=spf1 -all
- afternic-verification-fFfzWTQx5FSsxkzrwJPPXv
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