Domain Overview
DNS: ✓ 1d ago
Checker: ✓ 1d ago
concept33.net
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 19:57:14 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt2.aspmx.l.google.com
MX Priorities
- alt1.aspmx.l.google.com: 5
- alt4.aspmx.l.google.com: 10
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 5
A / AAAA Records
- 99.83.190.102
- 75.2.70.75
Mail Server IPs
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
- 172.253.139.26 ↩ yuiadsk-in-f26.1e100.net
- 2607:f8b0:4004:c21::1a ↩ pe-in-f26.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
SOA Record
Raw SOA
ns1.siteground.net root.us183.siteground.us 2020030693 86400 7200 3600000 86400
Primary NS (mname)
ns1.siteground.net
Admin Email (rname)
root@us183.siteground.us
Serial
2020030693
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns2.siteground.net
ns1.siteground.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:concept33.net.spf.auto.dnssmarthost.net ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._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
2 records- SPFv=spf1 include:_spf.google.com include:concept33.net.spf.auto.dnssmarthost.net ~all
- google-site-verification=u-uSfMa8YvzdXhHuFGfoHxFt2-7R9vdB8llFFxtbBSY
Full email verification for concept33.net
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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