Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
asc.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 04:53:11 UTC · ↺ Refresh
MX Hostnames
- asc-co-uk.mail.protection.outlook.com
MX Priorities
- asc-co-uk.mail.protection.outlook.com: 0
A / AAAA Records
- 77.72.2.88 ↩ octopus-lon.krystal.uk
Mail Server IPs
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.bdm.microsoftonline.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1.bdm.microsoftonline.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns1.bdm.microsoftonline.com
ns2.bdm.microsoftonline.com
ns3.bdm.microsoftonline.com
ns4.bdm.microsoftonline.com
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:80.87.129.93 ip4:80.87.129.94 ip4:80.87.129.95 ip4:88.208.241.74 include:spf.protection.outlook.com include:eu.zcsend.net include:one.zoho.eu -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; rf=afrf; pct=100;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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- ms-domain-verification=8f223662-08ac-4c71-9954-a2b69cc8bd42
- yahoo-verification-key=m+F5OGgWZ3n2VDX702tCrkmHCh+C9HqUegB6+QjByhE=
- zoho-verification=zb86710679.zmverify.zoho.eu
- SPFv=spf1 a mx ip4:80.87.129.93 ip4:80.87.129.94 ip4:80.87.129.95 ip4:88.208.241.74 include:spf.protection.outlook.com include:eu.zcsend.net include:one.zoho.eu -all
- mscid=JgEoJZutBmsEvbVx3Gux6rLLUmO1HymIvKWeH7xehQogZvUGZlJtw5SLK9NfYZg37rumP3wNou0getuU5MalJg==
- google-site-verification=b16jg2b1BB0YaSxMtolWzldJgVodZWqVdcd-h6IomhU
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