Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
darkhorse.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 12:35:05 UTC · ↺ Refresh
MX Hostnames
- darkhorse-co.mail.protection.outlook.com
MX Priorities
- darkhorse-co.mail.protection.outlook.com: 0
A / AAAA Records
- 162.159.134.42 (no PTR)
Mail Server IPs
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1155.awsdns-16.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1155.awsdns-16.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-908.awsdns-49.net
ns-1155.awsdns-16.org
ns-1923.awsdns-48.co.uk
ns-413.awsdns-51.com
SPF Record
✓ Strict (-all)
v=spf1 include:authsmtp.com include:eu.zcsend.net include:spf.protection.outlook.com include:amazonses.com include:one.zoho.eu -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; fo=1; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
7 records- ca3-9b31004110e24bf0960a0532a48e0db9
- google-site-verification=5lv-8BGjJ4cXyfSZDmcAKKrI5CR-xNakS_nPInOu7G0
- google-site-verification=YMBqbkwWTtDAKLO5SF8AUXXuiQvVTRKpdgdi8y6bFiU
- prowly-verification=9fc0fcba0fdb0fe77d8d0a1bf95c2a432ff12375379e6da341d2e0ae551c72af
- SPFv=spf1 include:authsmtp.com include:eu.zcsend.net include:spf.protection.outlook.com include:amazonses.com include:one.zoho.eu -all
- MS=ms77369822
- as=1328697621
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