Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
london-marathon.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 09:32:14 UTC · ↺ Refresh
MX Hostnames
- londonmarathon-co-uk01e.mail.protection.outlook.com
MX Priorities
- londonmarathon-co-uk01e.mail.protection.outlook.com: 0
A / AAAA Records
- 104.18.20.84 (no PTR)
- 104.18.21.84 (no PTR)
- 2606:4700::6812:1454
- 2606:4700::6812:1554
Mail Server IPs
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
SOA Record
Raw SOA
piotr.ns.cloudflare.com dns.cloudflare.com 2398075844 10000 2400 604800 1800
Primary NS (mname)
piotr.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398075844
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
piotr.ns.cloudflare.com
uma.ns.cloudflare.com
SPF Record
✗ Invalid
v=spf1 -all
📊 DNS lookups: 0/10
⚠ Strict -all with no allowed senders — no servers can send email for this domain.
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected];fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MS=ms8034745
- have-i-been-pwned-verification=d874c0e3f8c33506120f4ea869d71970
- SPFv=spf1 -all
- DJJJ/qQ43a071SHgAvIPwcS9dUN9sgiKfGInggedfpMW5hz/CoqWyasw+CFiTaYs7yCBkZD5N7UBwX1jCEIV9Q==
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