Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gunnercooke.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 11:24:01 UTC · ↺ Refresh
MX Hostnames
- gunnercooke-com.mail.protection.outlook.com
MX Priorities
- gunnercooke-com.mail.protection.outlook.com: 1
A / AAAA Records
- 141.193.213.21 (no PTR)
- 141.193.213.20 (no PTR)
Mail Server IPs
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
autumn.ns.cloudflare.com dns.cloudflare.com 2399154472 10000 2400 604800 1800
Primary NS (mname)
autumn.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399154472
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
autumn.ns.cloudflare.com
huxley.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf-eu.emailsignatures365.com include:19905971.spf10.hubspotemail.net include:mail.zendesk.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; pct=100; fo=1; ri=84600;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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- docusign=ef98535a-7936-498a-9ff1-3f209621f2aa
- google-site-verification=mflKHQiFEEvZrJVghRvKePZxkrPAxIrgIpwvURc5q-Q
- swisssign-check=vQTh5jnzrmkAoPdMcST-MQCTzsE
- SPFv=spf1 include:spf.protection.outlook.com include:spf-eu.emailsignatures365.com include:19905971.spf10.hubspotemail.net include:mail.zendesk.com -all
- anthropic-domain-verification-emp4z6=H2z3uoqqpziKDXCF8Emh2I1lw
- docusign=5e4d31d8-288f-445e-aac8-2de026ef56f3
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