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
✗ MissingNo 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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