Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hotblack.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 01:07:33 UTC · ↺ Refresh
MX Hostnames
- hotblack-co-uk.mail.protection.outlook.com
MX Priorities
- hotblack-co-uk.mail.protection.outlook.com: 5
A / AAAA Records
- 37.9.175.165 ↩ ing.r3.websupport.sk
- 2a00:4b40:aaaa:2005::5 (no PTR)
Mail Server IPs
- 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
- 52.101.89.0 ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
- 52.101.99.0 ↩ mail-cwxp265cu00600.inbound.protection.outlook.com
- 52.101.99.2 ↩ mail-cwxp265cu00502.inbound.protection.outlook.com
- 2a01:111:f403:ca0b:: ↩ mail-lo2p265cu02300.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
- 2a01:111:f403:ca1a:: ↩ mail-cwxp265cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.websupport.cz admin.websupport.cz 1773768417 7200 2048 1048576 2560
Primary NS (mname)
ns1.websupport.cz
Admin Email (rname)
admin@websupport.cz
Serial
1773768417
Refresh
7200s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
ns3.websupport.eu
ns1.websupport.cz
ns2.websupport.cz
SPF Record
✓ Soft Fail (~all)
v=spf1 a:outbound.transpeed.co.uk include:spf.protection.outlook.com include:sendgrid.net include:spf.brandingserver.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
6 records- susk20se6fl5rrr0cu17n4ej1q
- SPFv=spf1 a:outbound.transpeed.co.uk include:spf.protection.outlook.com include:sendgrid.net include:spf.brandingserver.net ~all
- KOL-896-KAR
- jbev0lrvaae411j87qa2j957q0
- k4krh4m3qj8lt2gfbpmoi43dib
- lfgvtt62l0d91392m0ffr0v9au
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