Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
smart-base.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 22:20:25 UTC · ↺ Refresh
MX Hostnames
- smartbase-co-uk01c.mail.protection.outlook.com
MX Priorities
- smartbase-co-uk01c.mail.protection.outlook.com: 0
A / AAAA Records
- 68.183.33.185 ↩ 471493.cloudwaysapps.com
Mail Server IPs
- 52.101.89.2 ↩ mail-lo3p265cu00302.inbound.protection.outlook.com
- 52.101.89.0 ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
- 52.101.99.0 ↩ mail-cwxp265cu00600.inbound.protection.outlook.com
- 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
- 2a01:111:f403:ca0b:: ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::1 ↩ mail-lo3p265cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca1a::1 ↩ mail-cwxp265cu00601.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::2 ↩ mail-lo0p265cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1031.ui-dns.org hostmaster.1und1.com 2017060141 28800 7200 604800 600
Primary NS (mname)
ns1031.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060141
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1031.ui-dns.org
ns1115.ui-dns.de
ns1033.ui-dns.com
ns1123.ui-dns.biz
SPF Record
✓ Strict (-all)
v=spf1 a mx include:_spf.elasticemail.com include:_spf.nexudus.com include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=reject; fo=1; ri=86400
✓ 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
4 records- have-i-been-pwned-verification=dweb_irldrhoe0zo68i4v660cz97j
- SPFv=spf1 a mx include:_spf.elasticemail.com include:_spf.nexudus.com include:spf.protection.outlook.com -all
- apple-domain-verification=SFlwUPN71MZ7zECh
- google-site-verification=6_SSaTUOq177uZm_KMvnBvpCe646xYhaNnnifdi7Utc
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