Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dynamo.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 02:34:31 UTC · ↺ Refresh
MX Hostnames
- dynamo-co-uk.mail.protection.outlook.com
MX Priorities
- dynamo-co-uk.mail.protection.outlook.com: 10
A / AAAA Records
- 51.104.28.78 (no PTR)
Mail Server IPs
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1091.ui-dns.org hostmaster.1und1.com 2017060188 28800 7200 604800 600
Primary NS (mname)
ns1091.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060188
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1125.ui-dns.biz
ns1091.ui-dns.org
ns1026.ui-dns.com
ns1101.ui-dns.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_u.dynamo.co.uk._spf.smart.ondmarc.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r; fo=0; rf=afrf; ri=3600
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
7 records- SPFv=spf1 include:_u.dynamo.co.uk._spf.smart.ondmarc.com ~all
- v=verifydomain MS=7480336
- 0ed1fe018adaf18687756145c199509f20b0cf1397
- 21042020
- atlassian-domain-verification=Xmg3uMgXasDXX/19LEAm8aYEHDHapmNymmhFvsmTt5/NxwIvru3/zPe/ZEsA2OQz
- google-site-verification=lVr7tdYsH3nLHXdNJ_4alXK1Gb72f9TZYnOWPxGOWc8
- MS=ms52842516
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