Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
instituto-iron.pt
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 10:58:34 UTC · ↺ Refresh
MX Hostnames
- instituto-iron.pt
MX Priorities
- instituto-iron.pt: 0
A / AAAA Records
- 94.46.135.167 ↩ web8.xcloudserver.com
Mail Server IPs
- 94.46.135.167 ↩ web8.xcloudserver.com
SOA Record
Raw SOA
ns1.designcornerprime.com web.designcorner.pt 2026020701 3600 1800 1209600 86400
Primary NS (mname)
ns1.designcornerprime.com
Admin Email (rname)
web@designcorner.pt
Serial
2026020701
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns3.designcornerprime.com
ns1.designcornerprime.com
ns2.designcornerprime.com
ns4.designcornerprime.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:94.46.135.167 +a +mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=7kcw5kod_61AMbtqE9ovpdwd-hPQXfjb-DrogBrMM5Q
- SPFv=spf1 ip4:94.46.135.167 +a +mx -all
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