Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
esw.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 17:44:15 UTC · ↺ Refresh
MX Hostnames
- esw-de.mail.protection.outlook.com
MX Priorities
- esw-de.mail.protection.outlook.com: 10
A / AAAA Records
- 46.38.249.187 ↩ af9bb.netcup.net
Mail Server IPs
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1088.ui-dns.de hostmaster.1und1.de 2017033263 28800 7200 604800 300
Primary NS (mname)
ns1088.ui-dns.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2017033263
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1088.ui-dns.de
ns1088.ui-dns.biz
ns1088.ui-dns.org
ns1088.ui-dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:_spf-eu.ionos.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:spf-eu.emailsignatures365.com include:_spf.reteach.io ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];adkim=s;aspf=r
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
11 records- bw=LaBWZMOcXJmgWbvIGmx5j8h21lZkBVRDAO1AN3humKYO
- v=verifydomain MS=6475921
- atlassian-domain-verification=aGOP/OaTZdHu0zy8OaMhJzwAZoVA04CXYqYKDTiFkqEJR4kyniLm9yM6jNZehGkK
- have-i-been-pwned-verification=9625f70b479e0c03260843a4faad179c
- MS=ms40357154
- teamviewer-sso-verification=115ddaea466046bc89391af19c79efde
- sophos-domain-verification=eee3904a731aa3da4b073c71c0d6bae2ef17d0a0d82d831da45073e4f83c2160
- apple-domain-verification=quOvSdxBa2Ikue5g
- atlassian-sending-domain-verification=2cd6d1d7-0f1e-4288-8aaa-ee7b0e8960cf
- SPFv=spf1 mx include:_spf-eu.ionos.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:spf-eu.emailsignatures365.com include:_spf.reteach.io ~all
- MS=AA08F9AF8BAE4F3D47984C8C890C3D0F2A6D9A31
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