Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ceos.group
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 08:32:53 UTC · ↺ Refresh
MX Hostnames
- ceos-group.mail.protection.outlook.com
MX Priorities
- ceos-group.mail.protection.outlook.com: 0
A / AAAA Records
- 217.160.0.81 ↩ 217-160-0-81.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.164.0 ↩ mail-mrzp264cu00100.inbound.protection.outlook.com
- 52.101.166.1 ↩ mail-pr0p264cu01301.inbound.protection.outlook.com
- 52.101.166.0 ↩ mail-pa5p264cu00200.inbound.protection.outlook.com
- 52.101.166.2 ↩ mail-paup264cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca25::2 ↩ mail-paup264cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca1e:: ↩ mail-mrzp264cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca25:: ↩ mail-pa5p264cu00200.inbound.protection.outlook.com
- 2a01:111:f403:ca25::1 ↩ mail-pr0p264cu01301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1091.ui-dns.com hostmaster.1und1.com 2017060195 28800 7200 604800 600
Primary NS (mname)
ns1091.ui-dns.com
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060195
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1016.ui-dns.org
ns1091.ui-dns.com
ns1108.ui-dns.biz
ns1060.ui-dns.de
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:213.41.247.248 a:smtp5.silae.fr include:spf.protection.outlook.com include:mailgun.org ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; fo=1; ri=3600; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
s1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- google-site-verification=U6WWySPfqcHH5TA7RHgr_dl3CCuHgoBNU-ik8ru_fYE
- MS=ms22580297
- SPFv=spf1 ip4:213.41.247.248 a:smtp5.silae.fr include:spf.protection.outlook.com include:mailgun.org ~all
Full email verification for ceos.group
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