Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mondragon-assembly.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 20:40:56 UTC · ↺ Refresh
MX Hostnames
- smtp.sarenet.es
MX Priorities
- smtp.sarenet.es: 5
A / AAAA Records
- 194.30.12.197 (no PTR)
Mail Server IPs
- 194.30.0.71 ↩ smtp2.sarenet.es
- 194.30.0.72 ↩ smtp1.sarenet.es
- 194.30.0.70 ↩ smtp3.sarenet.es
SOA Record
Raw SOA
ns1.sarenet.es dnsmaster.sarenet.es 2026031701 86400 7200 2592000 300
Primary NS (mname)
ns1.sarenet.es
Admin Email (rname)
dnsmaster@sarenet.es
Serial
2026031701
Refresh
86400s
Retry
7200s
Expire
2592000s
Minimum TTL
300s
Nameservers (NS)
ns1.sarenet.es
ns2.sarenet.es
SPF Record
✓ Strict (-all)
v=spf1 ip4:212.81.206.34 ip4:212.81.206.35 ip4:94.16.0.20 ip4:94.16.0.21 ip4:94.16.0.33 ip4:94.16.0.34 ip4:185.188.88.8 ip4:170.81.236.121 ip4:194.30.12.197 include:sarenet.es include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- y0wnpl8iUCYIz/DS1eOqBL3CIgN4IdPHutwCNpHacquDaJpeN4FI8F1M9nRViiGIg8hkwiLQmSbacOtYsMASrg==
- 4A79D046DA
- 6XOOKTS8CMFC0XI8Q9RVXACK3JIW44CB1DOFMJRS
- SPFv=spf1 ip4:212.81.206.34 ip4:212.81.206.35 ip4:94.16.0.20 ip4:94.16.0.21 ip4:94.16.0.33 ip4:94.16.0.34 ip4:185.188.88.8 ip4:170.81.236.121 ip4:194.30.12.197 include:sarenet.es include:spf.protection.outlook.com -all
- google-site-verification=IDPaph3NdNe4lNIDClhv4VBrzxgYUCUGpK7IJPBFUuU
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