Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
aireco.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 20:05:34 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-2.mimecast.com
- usb-smtp-inbound-1.mimecast.com
MX Priorities
- usb-smtp-inbound-1.mimecast.com: 10
- usb-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 50.201.73.147 ↩ mail.aireco.com
Mail Server IPs
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
ns53.worldnic.com namehost.worldnic.com 125081117 10800 3600 604800 3600
Primary NS (mname)
ns53.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125081117
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns54.worldnic.com
ns53.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:50.201.73.146 ip4:50.201.73.147 ip4:8.192.40.0/24 ip4:50.205.118.0/24 ip4:64.106.173.0/25 ip4:192.69.130.0/24 include:usb._netblocks.mimecast.com include:_spf.billtrust.com include:spf.protection.outlook.com include:zcsend.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
4 records- google-site-verification=vSEUbEyufGsS2AURgkRGQJi3BSU4sHgqYrlJj_iacM8
- kLPOJ8znpF3S84m5wupy7JXJFtcDsgd/R16siNEo2k+9c1OhrwbDa9VCc4E+9Io++qW3F6EG5AQulbB537K+5A==
- MS=ms89152981
- SPFv=spf1 mx a ip4:50.201.73.146 ip4:50.201.73.147 ip4:8.192.40.0/24 ip4:50.205.118.0/24 ip4:64.106.173.0/25 ip4:192.69.130.0/24 include:usb._netblocks.mimecast.com include:_spf.billtrust.com include:spf.protection.outlook.com include:zcsend.net -all
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