Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
firstteam.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 14:27:00 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 10
- us-smtp-inbound-2.mimecast.com: 20
A / AAAA Records
- 104.16.161.240 (no PTR)
Mail Server IPs
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns1.firstteam.com hostmaster.firstteam.com 2024125545 1200 600 1209600 300
Primary NS (mname)
ns1.firstteam.com
Admin Email (rname)
hostmaster@firstteam.com
Serial
2024125545
Refresh
1200s
Retry
600s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
ns3.firstteam.com
ns1.firstteam.com
ns4.firstteam.com
ns2.firstteam.com
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=73m1ca8v._spf._d.mim.ec
📊 DNS lookups: 1/10
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
16 records- ACR:fe0cf39f-113e-4982-bd0f-2cfba7de0d16
- google-site-verification=ugjgFS3wwEVv0rHod5j8iJV8e9VFziV1xSR1o8PDkv0
- 7mt2tgfo0ckmv2k0u2g6svkcgj
- amazonses:cf/jLewfLCnB8J6bYkzLjIVmzPS3njxfrEWZlFD01fs=
- ca3-4a37dbdc9ce243239eb29a215b274010
- airtable-verification=26a4757545f036a6a5d749feb8e62104
- MS=AAF120E98FBC34B173A61B88273224A1747BFEF5
- t9q38vgj3d536adoutdat829kh
- SPFv=spf1 redirect=73m1ca8v._spf._d.mim.ec
- facebook-domain-verification=6w5rfj9exy08wa7rt4g4soiqnpu910
- uqlipkh7a36fartj5bpo4mrij2
- mailerlite-domain-verification=6e407e1dcea5215df3f8935754cd351574ab648e
- google-site-verification=- eC7PWEzIH7rLBVx1-Hyc9ehr90isa5a1zBCKdPPJQZ
- apple-domain-verification=CrOXFEMO1iDU98Hk
- h70gnk653mn5heat4v1j9op08b
- google-site-verification=Y7F5HfV4XiRmFyy3CqQbyi8hoF-Yd-Cc5-1Os1WFuX4
Full email verification for firstteam.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits