Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
osconstructionservices.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 06:12:03 UTC · ↺ Refresh
MX Hostnames
- osconstructionservices-com.p40.mxthunder.net
- osconstructionservices-com.p20.mxthunder.net
- osconstructionservices-com.p30.mxthunder.net
- osconstructionservices-com.p10.mxthunder.com
MX Priorities
- osconstructionservices-com.p20.mxthunder.net: 20
- osconstructionservices-com.p30.mxthunder.net: 30
- osconstructionservices-com.p40.mxthunder.net: 40
- osconstructionservices-com.p10.mxthunder.com: 10
A / AAAA Records
- 148.66.220.75 ↩ 148-66-220-75.static-ip.redpanda.systems
Mail Server IPs
- 209.41.68.130 ↩ bolt106b.mxthunder.net
- 216.172.106.23 ↩ bolt106a.mxthunder.net
SOA Record
Raw SOA
lloyd.ns.cloudflare.com dns.cloudflare.com 2396862599 10000 2400 604800 1800
Primary NS (mname)
lloyd.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396862599
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
mckenzie.ns.cloudflare.com
lloyd.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1:d:s
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
2 records- SPFv=spf1 include:spf.protection.outlook.com -all
- apple-domain-verification=fGHJaicY0ch2RcPX
Full email verification for osconstructionservices.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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