Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mcl.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 09:01:30 UTC · ↺ Refresh
MX Hostnames
- mcl-co-uk.mail.protection.outlook.com
MX Priorities
- mcl-co-uk.mail.protection.outlook.com: 0
A / AAAA Records
- 185.151.30.209 ↩ 185-151-30-209.ptr4.stackcp.net
- 2a07:7800::209 (no PTR)
Mail Server IPs
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.stackdns.com hostmaster.stackdns.com 1764336669 1800 900 1209600 300
Primary NS (mname)
ns1.stackdns.com
Admin Email (rname)
hostmaster@stackdns.com
Serial
1764336669
Refresh
1800s
Retry
900s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
ns3.stackdns.com
ns2.stackdns.com
ns4.stackdns.com
ns1.stackdns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.stackmail.com include:one.zoho.eu -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100;
~ Quarantine — good protection (failing mail goes to spam)
📋 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
2 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.stackmail.com include:one.zoho.eu -all
- google-site-verification=YlZI7_nnsal6i8lNwosyb8dACCj8SYPkFegLT3DiRtI
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