Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
calidore.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 06:17:20 UTC · ↺ Refresh
MX Hostnames
- calidore-com.mail.protection.outlook.com
MX Priorities
- calidore-com.mail.protection.outlook.com: 1
A / AAAA Records
- 193.8.241.220 (no PTR)
Mail Server IPs
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
ns0.zen.co.uk dnsmaster.zen.co.uk 2022111061 2400 3600 2419200 86400
Primary NS (mname)
ns0.zen.co.uk
Admin Email (rname)
dnsmaster@zen.co.uk
Serial
2022111061
Refresh
2400s
Retry
3600s
Expire
2419200s
Minimum TTL
86400s
Nameservers (NS)
ns0.zen.co.uk
ns1.zen.co.uk
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:91.103.188.225/29 ip4:193.8.241.218 ip4:136.243.50.19 ip4:213.123.206.52 include:mailgun.org include:servers.icm-marketingportal.com include:spf.mandrillapp.com include:one.zoho.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → 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
3 records- linkedin-site-verification=ed979220-6546-4fdf-9ff0-8a985639d813
- SPFv=spf1 include:spf.protection.outlook.com ip4:91.103.188.225/29 ip4:193.8.241.218 ip4:136.243.50.19 ip4:213.123.206.52 include:mailgun.org include:servers.icm-marketingportal.com include:spf.mandrillapp.com include:one.zoho.com -all
- google-site-verification=2hKmZup7jPGJ2h8MChcQT49wzDaKqIzsEtC3dwpldME
Full email verification for calidore.com
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