Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
costa.co.uk
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 12:19:17 UTC · ↺ Refresh
MX Hostnames
- mxa-00494401.gslb.pphosted.com
- mxb-00494401.gslb.pphosted.com
MX Priorities
- mxb-00494401.gslb.pphosted.com: 20
- mxa-00494401.gslb.pphosted.com: 10
A / AAAA Records
- 23.48.224.102 ↩ a23-48-224-102.deploy.static.akamaitechnologies.com
- 23.48.224.113 ↩ a23-48-224-113.deploy.static.akamaitechnologies.com
- 2600:141b:1c00:16::17c4:31f ↩ g2600-141b-1c00-0016-0000-0000-17c4-031f.deploy.static.akamaitechnologies.com
- 2600:141b:1c00:16::17c4:309 ↩ g2600-141b-1c00-0016-0000-0000-17c4-0309.deploy.static.akamaitechnologies.com
Mail Server IPs
- 185.132.182.228 ↩ mx07-00494401.pphosted.com
- 185.183.30.33 ↩ mx08-00494401.pphosted.com
SOA Record
Raw SOA
costa.co.uk a1-61.akam.net 2500100754 7200 3600 86400 300
Primary NS (mname)
costa.co.uk
Admin Email (rname)
a1-61@akam.net
Serial
2500100754
Refresh
7200s
Retry
3600s
Expire
86400s
Minimum TTL
300s
Nameservers (NS)
a14-66.akam.net
a26-64.akam.net
a9-66.akam.net
a3-65.akam.net
a1-61.akam.net
a24-65.akam.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf1.costa.co.uk include:spf2.costa.co.uk -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
16 records- MS=ms49465215
- have-i-been-pwned-verification=5adf2238ad1e9f4685d92180a209edba
- google-site-verification=n1t931xqN0i4UWzYWyy701SeC7TMwFeyz6IhksnYcOs
- MS=ms65915513
- apple-domain-verification=giRdv-dDgdmiUTVu-tHU_pcZKPfZu6Q-RFSDunuhBwA
- y6p6KC/+TGik+yrLzjnxQtwxm7XNl/5Jhp+ctPs3sezkN98gaT5khlmTpoIz2wlCFafYxVmpLoLWS+527LlLhA==
- facebook-domain-verification=tuigiddnh16hbujxw39cvp12cyvh48
- have-i-been-pwned-verification=dweb_k5v4xnsng7kozvvjldrba81c
- google-site-verification=ERAJGBIQLeuztgQGRaTsfhAy_qnLfqppfUE--44QfNA
- google-site-verification=YM0va0MGKingTcQ6Z-_QT6cgSAP6lIHe6xje65dNPEQ
- have-i-been-pwned-verification=69ca683939c20a459e4cf47d46f6070d
- google-site-verification=EzWAp8qWwZGtpOV771Dx97SdHuiJQpxntyv7umGteN0
- google-site-verification=Wa4naU8AO9bVkYoFYetptkWFVSyoOlnUvB-kIfd_HB4
- MS=1821E6DA78A58675A4061C6452CD994EA799A2BF
- SPFv=spf1 include:spf1.costa.co.uk include:spf2.costa.co.uk -all
- google-site-verification=1TJxRrjCaocUqmX3wzOxnHfFO5sGGNqijmgFpoQE0Hc
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