Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
katchkan.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 09:02:19 UTC · ↺ Refresh
MX Hostnames
- katchkan-com.mail.protection.outlook.com
MX Priorities
- katchkan-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.10 (no PTR)
- 141.193.213.11 (no PTR)
Mail Server IPs
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.hover.com dnsmaster.hover.com 1732651519 1800 900 604800 300
Primary NS (mname)
ns1.hover.com
Admin Email (rname)
dnsmaster@hover.com
Serial
1732651519
Refresh
1800s
Retry
900s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns2.hover.com
ns1.hover.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:transmail.net include:spf.sendinblue.com include:zcsend.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; rua=mailto:[email protected]!10m; ruf=mailto:[email protected]!10m; rf=afrf; pct=100; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]!10m
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
9 records- SPFv=spf1 include:spf.protection.outlook.com include:transmail.net include:spf.sendinblue.com include:zcsend.net -all
- MS=ms43112445
- Sendinblue-code:e5eda137b2a49b6092742e20e52bb56a
- brevo-code:bdf98310ef5f3da0d2ea12e8b8140825
- apple-domain-verification=ByLPUdfVUOZzdlyu
- zoho-verification=zb88759637.zmverify.zoho.com
- duo_sso_verification=ngSVaiwKx8qc1cZHe7O93Qfcc3YFQp3dbaDUfONAN0ElYFw1lnUM4f3hayEz9AVg
- google-site-verification=EJjMs9PuXP8hg0-YdgdKCSbRos0fTwkgkg4NDY9oz7g
- amazon-business-verification=0137f2f9d3c173e2beee81710365fd3d1ef4a676b8ccf123ea8980fbcca67a05
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