Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
keyconstruction.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 04:27:23 UTC · ↺ Refresh
MX Hostnames
- d106971b.ess.barracudanetworks.com
- d106971a.ess.barracudanetworks.com
MX Priorities
- d106971b.ess.barracudanetworks.com: 10
- d106971a.ess.barracudanetworks.com: 5
A / AAAA Records
- 35.212.43.104 ↩ 104.43.212.35.bc.googleusercontent.com
Mail Server IPs
- 209.222.82.255 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.252 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns1.bdm.microsoftonline.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1.bdm.microsoftonline.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns4.bdm.microsoftonline.com
ns1.bdm.microsoftonline.com
ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:12.216.19.38 ip4:208.76.133.46 ip4:50.204.34.230 ip4:167.89.64.119 include:spf.emailsignatures365.com include:spf.ess.barracudanetworks.com include:u69666.wl167.sendgrid.net include:spf.protection.outlook.com include:servers.mcsv.net include:spf.birddoghr.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
11 records- ugtksj9eruqd0auedrcqb2ip22
- orqj9ele5tp1nmakla4743nb8u
- uber-domain-verification=50fe9155-f4a7-4fa3-a17c-22024e337f80
- zapier-domain-verification-challenge=d48bc094-af72-49c6-8bc7-082c0773d7f5
- SPFv=spf1 ip4:12.216.19.38 ip4:208.76.133.46 ip4:50.204.34.230 ip4:167.89.64.119 include:spf.emailsignatures365.com include:spf.ess.barracudanetworks.com include:u69666.wl167.sendgrid.net include:spf.protection.outlook.com include:servers.mcsv.net include:spf.birddoghr.com -all
- mscid=8pntLsED2/pbsnpHIUvUu3/O5ZtCJXCQcZgLOBeY+y+hfGfEH9QLUGxtSebd05aH+tMmMJtf8UL+Z609/+F/eQ==
- /lXCi4kuec6+vxNZGyReGvwkjMZ9PouPTEppP/6f5CBGriZ53Zun7M5E8w2RzDbjtuPi7syuM4fj7jFXxf/yBA==
- MS=ms21936005
- 35.212.43.104
- ZOOM_verify_bPbF1Hv83ouiXAE34kyqjt
- apple-domain-verification=xs8c0xTST1JDaPyh
Full email verification for keyconstruction.com
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