Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
seidel.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 12:03:58 UTC · ↺ Refresh
MX Hostnames
- seidel-de.mail.protection.outlook.com
MX Priorities
- seidel-de.mail.protection.outlook.com: 0
A / AAAA Records
- 188.40.32.30 ↩ k58o38.meinserver.io
Mail Server IPs
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.telekom-domains.de dns.telekom.de 2026010503 10800 3600 2419200 43200
Primary NS (mname)
ns1.telekom-domains.de
Admin Email (rname)
dns@telekom.de
Serial
2026010503
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
43200s
Nameservers (NS)
ns2.telekom-domains.de
ns1.telekom-domains.de
SPF Record
✓ Strict (-all)
v=spf1 a:k27032.coveto.de include:spf-de.emailsignatures365.com include:_spf.atlassian.net include:spf.protection.outlook.com ip4:212.89.197.0/24 ip4:212.185.106.0/24 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- apple-domain-verification=vnDFilJvMpUsVK1V
- SPFv=spf1 a:k27032.coveto.de include:spf-de.emailsignatures365.com include:_spf.atlassian.net include:spf.protection.outlook.com ip4:212.89.197.0/24 ip4:212.185.106.0/24 -all
- atlassian-domain-verification=fC6wkM9iaZONP/7TEIXesHVYBLYiwGlzpQMuWlPZ/D35/zu7Lnk1ya8PU7omHrBY
- +05lpBNbHwP4APGj7VmjOMLvc7TU+m+nTTxdVru4wTjBKPmTd7eDbUbdG6l6oBck+4ehdxCpynEQWFSrARbFQA==
Full email verification for seidel.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits