hno-zentrum-ulm.de

Valid Email Server
Domain Lookup › hno-zentrum-ulm.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
hno-zentrum-ulm.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 05:02:50 UTC · ↺ Refresh

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MX Hostnames

  • mx-um.hno-zentrum-ulm.de
  • mx01.hno-zentrum-ulm.de

MX Priorities

  • mx-um.hno-zentrum-ulm.de: 10
  • mx01.hno-zentrum-ulm.de: 20

A / AAAA Records

  • 198.202.211.1 (no PTR)

Mail Server IPs

  • 5.158.170.51 ↩ mx-um.hno-zentrum-ulm.de
  • 80.81.2.95 ↩ mx01.hno-zentrum-ulm.de

SOA Record

Raw SOA ns1063.ui-dns.com hostmaster.1and1.com 2018061718 28800 7200 604800 300
Primary NS (mname)
ns1063.ui-dns.com
Admin Email (rname)
hostmaster@1and1.com
Serial
2018061718
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1020.ui-dns.org
ns1063.ui-dns.com
ns1040.ui-dns.biz
ns1045.ui-dns.de

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:5.158.170.51 ip4:80.81.2.95 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

5 records
  • google-site-verification=HFccBt0p1S8sItVcmdTRthGs83ZINxWqVeskjv2c1Es
  • MS=ms65555245
  • google-site-verification=nuXsSAKrU1XToLoGEoZio7SoST8XfXX15jR7m6oiS68
  • SPFv=spf1 a mx ip4:5.158.170.51 ip4:80.81.2.95 include:spf.protection.outlook.com -all
  • 2018061612293941iz4hr3v6nrv7i1d47kcs8akqakyw27gr9k9ezkr40qg34mnw
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