Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
isc-sl.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 06:07:57 UTC · ↺ Refresh
MX Hostnames
- mail.iscsl.cloud
MX Priorities
- mail.iscsl.cloud: 10
A / AAAA Records
- 79.116.178.42 ↩ 79-116-178-42.digimobil.es
Mail Server IPs
- 2.136.161.11 ↩ isc.company
SOA Record
Raw SOA
ns1.dondominio.com dnsadmin.dondominio.com 2026021300 10800 1800 691200 3600
Primary NS (mname)
ns1.dondominio.com
Admin Email (rname)
dnsadmin@dondominio.com
Serial
2026021300
Refresh
10800s
Retry
1800s
Expire
691200s
Minimum TTL
3600s
Nameservers (NS)
ns1.dondominio.com
ns2.dondominio.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100; ri=86400;fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ 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
3 records- SPFv=spf1 mx ~all
- linkedin-site-verification=bec02d59-40f2-49ee-8e59-bccd4329ad3e
- google-site-verification=B3xTa9bvurNnCbsox4--mS5z1l6HANECEs4h8ehqbI8
Full email verification for isc-sl.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits