Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
erfurt.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 06:47:35 UTC · ↺ Refresh
MX Hostnames
- erfurt-com.mail.protection.outlook.com
MX Priorities
- erfurt-com.mail.protection.outlook.com: 0
A / AAAA Records
- 136.243.123.185 ↩ dedi5709.your-server.de
- 2a01:4f8:d0a:668f::2 ↩ dedi5709.your-server.de
Mail Server IPs
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.ui-global-dns.de hostmaster.1und1.com 2017060143 28800 7200 604800 600
Primary NS (mname)
ns.ui-global-dns.de
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060143
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns.ui-global-dns.com
ns.ui-global-dns.biz
ns.ui-global-dns.de
ns.ui-global-dns.org
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:24.40.142.0/27 ip4:136.243.123.185 include:spf.protection.outlook.com include:spf-westeu.emailsignatures365.com include:spf.emailsignatures365.com include:_spf.senders.scnem.com include:spf.talention.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected], mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], mailto:[email protected]
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
5 records- MS=ms73102574
- 2a01:04f8:0d0a:668f:0000:0000:0000:0002
- apple-domain-verification=qjumKyNiHVi8AUTd
- facebook-domain-verification=6dskip7al2prpbh6qimi4lpx609mbr
- SPFv=spf1 mx a ip4:24.40.142.0/27 ip4:136.243.123.185 include:spf.protection.outlook.com include:spf-westeu.emailsignatures365.com include:spf.emailsignatures365.com include:_spf.senders.scnem.com include:spf.talention.com -all
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