Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cestwhat.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 13:36:24 UTC · ↺ Refresh
MX Hostnames
- cestwhat-com.mail.protection.outlook.com
MX Priorities
- cestwhat-com.mail.protection.outlook.com: 0
A / AAAA Records
- 74.208.236.228 ↩ 74-208-236-228.elastic-ssl.ui-r.com
- 2607:f1c0:100f:f000::273 ↩ 2607-f1c0-100f-f000-0000-0000-0000-0273.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1045.ui-dns.com hostmaster.1und1.com 2017060124 28800 7200 604800 600
Primary NS (mname)
ns1045.ui-dns.com
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060124
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1045.ui-dns.org
ns1045.ui-dns.com
ns1045.ui-dns.biz
ns1045.ui-dns.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:192.223.15.242 ip4:74.208.4.194 ip4:74.208.4.195 ip4:74.208.4.196 ip4:74.208.4.197 ip4:99.229.202.8 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MS=ms58851302
- brevo-code:97b49c9a7722529f617c51a7b3f3e983
- SPFv=spf1 ip4:192.223.15.242 ip4:74.208.4.194 ip4:74.208.4.195 ip4:74.208.4.196 ip4:74.208.4.197 ip4:99.229.202.8 include:spf.protection.outlook.com -all
- default._domainkey	14400	IN	TXT	v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2sHK8Vq032wfAFtCL6R/B8T/fHotj6VHBPhUKm6DrbME4hK2oeyiZGdMLrdqB9jwL6c66z9jqHwGFcUkpD7urXxEGRxr6huWMqthMpdY+DOO7GkWodskwol5OaZmc+zR/XhrtO2ZpuFsCapyRGh+HydAOrQDQ79O0iBUC37tf4r6/2Cb46wXv/0BIAKp1bXLJ vBPhEa8Aev5VsRqk2KnAeLkKFYSm/LL5rZ0Lbw8ovNoFh44xlGRpwOvkkmcQmQvISgp25BY+iTUhXDD27iu+hShyF+zkL6pmf0ez3l8MsNvKGF9m/fn/b/2qZwtCshdvlTob7q5bDBbDh7yibUXEwIDAQAB;
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