Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
geuder.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-06 14:26:45 UTC · ↺ Refresh
MX Hostnames
- geuder-de.mail.protection.outlook.com
MX Priorities
- geuder-de.mail.protection.outlook.com: 0
A / AAAA Records
- 23.227.38.65 ↩ myshopify.com
Mail Server IPs
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
ns5.kasserver.com hostmaster.kasserver.com 2511182106 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2511182106
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s
Nameservers (NS)
ns5.kasserver.com
ns6.kasserver.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:217.6.249.128/28 ip4:80.155.9.224/28 ip4:87.190.49.185/29 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:_spf.qp-mail.eu include:spf.artrevolverserver.de include:spf.heyrecruit.de include:143764351.spf06.hubspotemail.net -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; ruf=mailto:[email protected]; sp=reject; aspf=r; adkim=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
8 records- amazon-business-verification=604b9a3c063677ae62294a137632d18b662405ebd4f76ac02d8c2c4dbee418b6
- apple-domain-verification=mq0YRyJTn4RfLdRY
- MS=208BAE84E5779CA9559D3591B8F930BCEEB48E5E
- atlassian-domain-verification=laPd3MLSNz5ReriPFDuGzyDIlVYvJl3mMVa1q4gnEIW6NuXk2O73Nl7hr5WZM9b/
- ZOOM_verify_EFJ7Zv3m9FcZP7AMa9MFvb
- d7f1d1796de0855fa70341a0e4246ac00ccd5eaee369bbc0df
- SPFv=spf1 a mx ip4:217.6.249.128/28 ip4:80.155.9.224/28 ip4:87.190.49.185/29 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com include:_spf.qp-mail.eu include:spf.artrevolverserver.de include:spf.heyrecruit.de include:143764351.spf06.hubspotemail.net -all
- google-site-verification=zG2QWRu3dJZNbQouFz-wiOOsukEpxBZfp1Nv032qmP4
Full email verification for geuder.de
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