leibniz-irs.de

Valid Email Server
Domain Lookup › leibniz-irs.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
leibniz-irs.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 21:31:25 UTC · ↺ Refresh

MX Hostnames

  • owa.leibniz-irs.de
  • mx-bck.leibniz-irs.de

MX Priorities

  • mx-bck.leibniz-irs.de: 20
  • owa.leibniz-irs.de: 10

A / AAAA Records

  • 88.99.96.38 ↩ leibniz-irs.de
  • 2a01:4f8:221:c27::2 (no PTR)

Mail Server IPs

  • 80.155.25.235 ↩ mx-bck.leibniz-irs.de
  • 195.37.16.19 ↩ owa.leibniz-irs.de

SOA Record

Raw SOA ns5.kasserver.com hostmaster.kasserver.com 2601061412 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2601061412
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s

Nameservers (NS)

ns5.kasserver.com
ns6.kasserver.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx ip4:85.13.129.78 ip4:176.94.245.46 ip4:195.37.16.19 ip4:80.155.25.235 ip4:75.119.132.181 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; ruf=mailto:[email protected]; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✗ None detected

No 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

3 records
  • SPFv=spf1 a mx ip4:85.13.129.78 ip4:176.94.245.46 ip4:195.37.16.19 ip4:80.155.25.235 ip4:75.119.132.181 ~all
  • MS=ms37606348
  • google-site-verification=3lfnzSjXb7GEDR5Y2xSIk1FfYv6bnXglu25d93BIpTc
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