Domain Overview
DNS: ✓ 2h ago
Checker: ✓ 2h ago
sesderma.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-07-01 14:12:17 UTC · ↺ Refresh
MX Hostnames
- sesderma-com.mail.protection.outlook.com
MX Priorities
- sesderma-com.mail.protection.outlook.com: 0
A / AAAA Records
- 31.170.100.204 ↩ sr4.sesderma.com
Mail Server IPs
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-344.awsdns-43.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-344.awsdns-43.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-854.awsdns-42.net
ns-1456.awsdns-54.org
ns-1559.awsdns-02.co.uk
ns-344.awsdns-43.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:94.127.193.126 include:spf.protection.outlook.com include:amazonses.com include:servers.mcsv.net include:spf.sendinblue.com a:production.eu01.sesderma.demandware.net mx ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; adkim=s; aspf=s;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 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
1 record- SPFv=spf1 ip4:94.127.193.126 include:spf.protection.outlook.com include:amazonses.com include:servers.mcsv.net include:spf.sendinblue.com a:production.eu01.sesderma.demandware.net mx ~all
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