ulmer.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ulmer.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-23 21:29:13 UTC · ↺ Refresh

MX Hostnames

  • ulmer-de.mail.protection.outlook.com

MX Priorities

  • ulmer-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 217.28.108.192 ↩ nextcloud.ulmer.data-center.host

Mail Server IPs

  • 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.routing.net hostmaster.ulmer.de 2026030600 86400 7200 3600000 900
Primary NS (mname)
ns1.routing.net
Admin Email (rname)
hostmaster@ulmer.de
Serial
2026030600
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
900s

Nameservers (NS)

ns1.routing.net
ns3.routing.net
ns2.routing.net

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:217.28.108.192 ip4:84.17.184.240/28 ip4:84.17.190.192/26 ip4:84.17.171.128/26 include:_spf-ipa.badencloud.de include:_spf-ma.badencloud.de include:_spf.senders.scnem.com include:spf.protection.outlook.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

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

4 records
  • apple-domain-verification=7fVkOpfW7V8vDuB2
  • SPFv=spf1 a mx ip4:217.28.108.192 ip4:84.17.184.240/28 ip4:84.17.190.192/26 ip4:84.17.171.128/26 include:_spf-ipa.badencloud.de include:_spf-ma.badencloud.de include:_spf.senders.scnem.com include:spf.protection.outlook.com -all
  • dzc=mzcekky
  • adb9dca44e93529ea5c9247c789fb7e0
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