Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jmayerh.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 23:57:20 UTC · ↺ Refresh
MX Hostnames
- jmayerh-de.mail.protection.outlook.com
MX Priorities
- jmayerh-de.mail.protection.outlook.com: 0
A / AAAA Records
- 217.160.0.53 ↩ 217-160-0-53.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::29b ↩ 2001-08d8-100f-f000-0000-0000-0000-029b.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1045.ui-dns.com hostmaster.1und1.com 2017060234 28800 7200 604800 600
Primary NS (mname)
ns1045.ui-dns.com
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060234
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1045.ui-dns.com
ns1045.ui-dns.biz
ns1045.ui-dns.de
ns1045.ui-dns.org
SPF Record
✓ Strict (-all)
v=spf1 include:_spf1.snafu.de include:_spf2.snafu.de ip4:89.246.251.30 a:sg.cloud.wycomco.de include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
4 records- SPFv=spf1 include:_spf1.snafu.de include:_spf2.snafu.de ip4:89.246.251.30 a:sg.cloud.wycomco.de include:spf.protection.outlook.com -all
- MS=4C433D257F2DF810A98360DACB616354B5C0471D
- apple-domain-verification=NrHVnrSmPOS3pTzK
- v=verifydomain MS=1619537
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