Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
psy.lmu.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-07-19 07:25:17 UTC · ↺ Refresh
MX Hostnames
- mailrelay2.lrz.de
- mailrelay1.lrz.de
MX Priorities
- mailrelay2.lrz.de: 100
- mailrelay1.lrz.de: 100
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 129.187.255.134 ↩ mailrelay2.lrz.de
- 2001:4ca0:0:103::81bb:ff86 ↩ mailrelay2.lrz.de
- 129.187.255.133 ↩ mailrelay1.lrz.de
- 2001:4ca0:0:103::81bb:ff85 ↩ mailrelay1.lrz.de
SOA Record
Raw SOA
dns1.lrz.de hostmaster.lrz.de 2026062308 21600 1800 3600000 86400
Primary NS (mname)
dns1.lrz.de
Admin Email (rname)
hostmaster@lrz.de
Serial
2026062308
Refresh
21600s
Retry
1800s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
dns1.lrz.de
dns3.lrz.de
dns2.lrz.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.mail.lrz.de ~all
📊 DNS lookups: 1/10
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
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:_spf.mail.lrz.de ~all
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