Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
1stclassab.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 16:57:48 UTC · ↺ Refresh
MX Hostnames
- ALT2.ASPMX.L.GOOGLE.com
- ALT1.ASPMX.L.GOOGLE.com
- ALT4.ASPMX.L.GOOGLE.com
- ALT3.ASPMX.L.GOOGLE.com
- ASPMX.L.GOOGLE.com
MX Priorities
- alt1.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 5
A / AAAA Records
- 199.180.140.11
- 199.180.140.12
Mail Server IPs
- 64.233.178.26 ↩ ol-in-f26.1e100.net
- 2607:f8b0:4020:c07::1b ↩ lcyulk-in-f27.1e100.net
- 209.85.201.26 ↩ qu-in-f26.1e100.net
- 2607:f8b0:400d:c09::1b ↩ qk-in-f27.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
SOA Record
Raw SOA
ns1.inmotionhosting.com systems-notices.inmotionhosting.com 2026022306 86400 7200 3600000 86400
Primary NS (mname)
ns1.inmotionhosting.com
Admin Email (rname)
systems-notices@inmotionhosting.com
Serial
2026022306
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns1.inmotionhosting.com
ns2.inmotionhosting.com
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
No TXT records found.
Full email verification for 1stclassab.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits