Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ceros.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 13:01:28 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx3.googlemail.com
- aspmx2.googlemail.com
MX Priorities
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- aspmx2.googlemail.com: 10
- aspmx3.googlemail.com: 10
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 76.76.21.21 (no PTR)
Mail Server IPs
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 142.251.167.27 ↩ ww-in-f27.1e100.net
- 2607:f8b0:4004:c09::1b ↩ bh-in-f27.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
SOA Record
Raw SOA
ns-1824.awsdns-36.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1824.awsdns-36.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1824.awsdns-36.co.uk
ns-929.awsdns-52.net
ns-1194.awsdns-21.org
ns-14.awsdns-01.com
SPF Record
✓ Strict (-all)
v=spf1 include:_u.ceros.com._spf.dmarclb.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; sp=quarantine; pct=75; fo=0:1:d:s;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: quarantine
⚠ Policy applies to 75% of failing messages only
DKIM Selectors
✓ 4 found
google._domainkey
selector1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
26 records- google-site-verification=eca44zd7jQ0iH4vBP-ghKK7NSynjcfCQJu1S7Uhx_Rk
- ZOOM_verify_nIkjfDLSQnCgD7hglu_U6Q
- cursor-domain-verification-me8t0a=Cp209eMHRUbzKatlrjlU5HVLZ
- facebook-domain-verification=m4k6k0lfitsbrpybcgpzjbfxj4jw1h
- notion-domain-verification=NalPvB76aKXx7g6egdFEY5MRcDbbMaeRC03WStfgWZW
- status-page-domain-verification=cf79ws4k1lnn
- SPFv=spf1 include:_u.ceros.com._spf.dmarclb.com -all
- apple-domain-verification=wFnvuqb2NPbXjWf2
- mixpanel-domain-verify=4e5675c3-0d7b-4735-8da1-3620fe61e640
- b5a83250b6fe41749f2c9242a2d433bb
- google-site-verification=SKtKm8lorBGUqJ_wPRRSbKqXwniOeUKl7D0SlyoWgx4
- _ovghlxg1xmygl063ab1ora20srktm3i
- globalsign-domain-verification=QCdmvx2FmvCpeqYXQsTAMJMq2YjyK0VzLosSdN6aMP
- MS=ms13538393
- reachdesk-verification=c6TKhnFl1yA1MJmwnutSQf1Vv0v4KmwTwfC08LNYkZf7aM0sVmvOzPYnEzPUQ2s4
- google-site-verification=VpZTAihRt-LUA54cijp5DKO5evf73MtzQVD_tBGgR4o
- _globalsign-domain-verification=eRi2ZQZJ99fAou8jrSC06eUJpasrvj8YgWl21vaW5G
- atlassian-domain-verification=RASa3T1kZ8nFyu62mzidwKhyJuzqVE1/oh2dFKyQxubc9AEef0DU2MbCDDA1OgNn
- miro-verification=df8d80440e7246cff688c55d7da5d8d3522f027d
- pandadoc-domain-verification=YiUPQ4k9yQUTbEhTq98Z7K
- zapier-domain-verification-challenge=076dd49c-0d6b-4619-945d-546c5bd4cfd6
- google-site-verification=1gbtopnwt-mmo0XlDWHfiLi-Sa4ZHRCUF1vlZsblYt0
- anthropic-domain-verification-5n8rpe=18ChNbhWiMZSesN3OB7eVi6Nq
- jamf-site-verification=164yszJtfHRRYPjCicWVaA
- MS=E7A2C0C0BF3CE6DAC3AC592FDED971F39FBC930D
- hubspot-domain-verification=YWYyNjA3ZTEtODExNS00ZjQ3LWFmZDUtMjE3MzU4YTJhZWRi
Full email verification for ceros.com
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