Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
carbonaccountancy.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 06:16:29 UTC · ↺ Refresh
MX Hostnames
- carbonaccountancy-co-uk.mail.protection.outlook.com
MX Priorities
- carbonaccountancy-co-uk.mail.protection.outlook.com: 10
A / AAAA Records
- 160.153.0.87 ↩ 87.0.153.160.host.secureserver.net
Mail Server IPs
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
ns0.phase8.net support.phase8.net 2025111105 28800 3600 604800 86400
Primary NS (mname)
ns0.phase8.net
Admin Email (rname)
support@phase8.net
Serial
2025111105
Refresh
28800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns2.phase8.net
ns0.phase8.net
ns1.phase8.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ 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
1 record- SPFv=spf1 include:spf.protection.outlook.com -all
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