Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mattheusser.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 20:15:39 UTC · ↺ Refresh
MX Hostnames
- mattheusser-de.mail.protection.outlook.com
MX Priorities
- mattheusser-de.mail.protection.outlook.com: 0
A / AAAA Records
- 217.160.0.253 ↩ 217-160-0-253.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::28e ↩ 2001-08d8-100f-f000-0000-0000-0000-028e.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.ui-global-dns.de hostmaster.1und1.com 2017060262 28800 7200 604800 600
Primary NS (mname)
ns.ui-global-dns.de
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060262
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns.ui-global-dns.biz
ns.ui-global-dns.com
ns.ui-global-dns.org
ns.ui-global-dns.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:79.174.2.34/32 ip4:79.174.2.35/32 ip4:109.235.59.30/32 ip4:167.89.28.235/32 ip4:217.72.192.74/32 include:spf.protection.outlook.com include:transmail.net include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
5 records- SPFv=spf1 a mx ip4:79.174.2.34/32 ip4:79.174.2.35/32 ip4:109.235.59.30/32 ip4:167.89.28.235/32 ip4:217.72.192.74/32 include:spf.protection.outlook.com include:transmail.net include:spf-de.emailsignatures365.com -all
- MS=ms30042946
- 5yqm3b16qwtj00pbw8y5xy0mn6q1z0mk
- zoho-verification=zb41012751.zmverify.zoho.com
- atlassian-domain-verification=96wgl7d1OkMsmNTU5eT27qT7CF7GrkOCPvLu/HgY8p2NsjFjTYQULd4AfiHUEevf
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