Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ace-alternatives.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 16:36:26 UTC · ↺ Refresh
MX Hostnames
- acealternatives-com0i.mail.protection.outlook.com
MX Priorities
- acealternatives-com0i.mail.protection.outlook.com: 0
A / AAAA Records
- 3.71.182.187 ↩ ec2-3-71-182-187.eu-central-1.compute.amazonaws.com
Mail Server IPs
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1029.ui-dns.biz hostmaster.1und1.com 2017060291 28800 7200 604800 600
Primary NS (mname)
ns1029.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060291
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1101.ui-dns.org
ns1070.ui-dns.com
ns1029.ui-dns.biz
ns1033.ui-dns.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:139538239.spf03.hubspotemail.net include:mailgun.org ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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- google-site-verification=nmKc8Hu8uYztoYInwOH-PJG5XOce_n0NF5QfzztRkMc
- v=verifydomain MS=4572724
- linkedin-site-verification=b243721d-b320-48e1-9599-d43f5c6097d1
- SPFv=spf1 include:spf.protection.outlook.com include:139538239.spf03.hubspotemail.net include:mailgun.org ~all
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