Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cest-inc.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 23:09:30 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 1
- alt2.aspmx.l.google.com: 5
- alt4.aspmx.l.google.com: 10
- alt3.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 185.27.133.7
Mail Server IPs
- 192.178.155.27 ↩ yuiadrs-in-f27.1e100.net
- 2607:f8b0:4004:c09::1b ↩ bh-in-f27.1e100.net
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 142.250.102.26 ↩ rb-in-f26.1e100.net
- 2a00:1450:4025:402::1b ↩ rb-in-f27.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
SOA Record
Raw SOA
ns1077.ifastnet.com response.ifastnet.com 2026011601 3660 951 604810 952
Primary NS (mname)
ns1077.ifastnet.com
Admin Email (rname)
response@ifastnet.com
Serial
2026011601
Refresh
3660s
Retry
951s
Expire
604810s
Minimum TTL
952s
Nameservers (NS)
ns2077.ifastnet.com
ns1077.ifastnet.com
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +ip4:185.27.133.6 +ip4:82.163.176.115 +include:relay.mailchannels.net +ip4:82.163.176.78 +ip4:31.22.4.169 +ip4:185.27.133.7 +include:_spf.google.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
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
1 record- SPFv=spf1 +a +mx +ip4:185.27.133.6 +ip4:82.163.176.115 +include:relay.mailchannels.net +ip4:82.163.176.78 +ip4:31.22.4.169 +ip4:185.27.133.7 +include:_spf.google.com -all
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