Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
chesterzoo.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 18:49:48 UTC · ↺ Refresh
MX Hostnames
- chesterzoo-org.mail.protection.outlook.com
MX Priorities
- chesterzoo-org.mail.protection.outlook.com: 10
A / AAAA Records
- 20.33.24.98 (no PTR)
Mail Server IPs
- 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-cloud-e1.googledomains.com cloud-dns-hostmaster.google.com 48 21600 3600 259200 300
Primary NS (mname)
ns-cloud-e1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
48
Refresh
21600s
Retry
3600s
Expire
259200s
Minimum TTL
300s
Nameservers (NS)
ns-cloud-e4.googledomains.com
ns-cloud-e3.googledomains.com
ns-cloud-e2.googledomains.com
ns-cloud-e1.googledomains.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com a include:spf.uk.exclaimer.net include:_vccnets.8x8.com include:spf.mandrillapp.com ip4:81.134.128.20 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
7 records- X0bLNAgy/epdzGCjqFtzahgaeJKfbbJVqau5S1Mr9fN2zUBmLSdszXXIxlgOpapUv/IQ44miTZnngF5AM4b0qg==
- jp85ckvm0rgrhovmfb6qb7e2m0
- o46s9j1g0o8pn6u915sp9fcoio
- 84jmhgfsnd0eh0j0uvu7tl6eej
- 1password-site-verification=GDONWYYJ7RGZ7PVNG7BKFIEPAE
- SPFv=spf1 include:spf.protection.outlook.com a include:spf.uk.exclaimer.net include:_vccnets.8x8.com include:spf.mandrillapp.com ip4:81.134.128.20 -all
- asv=555178931d384854889908b5bfe2c6a1
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