Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cosconstruction.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 17:41:47 UTC · ↺ Refresh
MX Hostnames
- mail.cosconstruction.net
MX Priorities
- mail.cosconstruction.net: 0
A / AAAA Records
- 185.43.232.200 ↩ lh48.dnsireland.com
Mail Server IPs
- 185.43.232.200 ↩ lh48.dnsireland.com
SOA Record
Raw SOA
ns5.dnsireland.com null.letshost.ie 2025062601 3600 1800 1209600 86400
Primary NS (mname)
ns5.dnsireland.com
Admin Email (rname)
null@letshost.ie
Serial
2025062601
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns6.dnsireland.com
ns5.dnsireland.com
ns7.dnsireland.ie
SPF Record
✓ Strict (-all)
v=spf1 ip4:185.43.232.200 ip4:78.137.164.88 ip4:78.137.164.122 +a +mx +include:spf.antispamcloud.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
1 record- SPFv=spf1 ip4:185.43.232.200 ip4:78.137.164.88 ip4:78.137.164.122 +a +mx +include:spf.antispamcloud.com -all
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