Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kroff.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 02:40:21 UTC · ↺ Refresh
MX Hostnames
- kroff-com.mail.protection.outlook.com
MX Priorities
- kroff-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21 (no PTR)
Mail Server IPs
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
SOA Record
Raw SOA
ns43.worldnic.com namehost.worldnic.com 126012913 10800 3600 604800 3600
Primary NS (mname)
ns43.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126012913
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns43.worldnic.com
ns44.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:159.183.153.184 ip4:3.214.204.181 ip4:35.174.145.124 include:spf.protection.outlook.com include:spfa.cpmails.com include:sendgrid.net include:spf.emailsignatures365.com include:one.zoho.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=10;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
⚠ Policy applies to 10% of failing messages only
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
8 records- google-site-verification=n-uwXx6EkbSZASBaB6prkXCUh1IiqVrMhnnbs5fyYVY
- MS=ms34876467
- d365mktkey=EUH3uPw73p8qRpYlcPWxPsKd4zzGzmfNkw7n4vFPCL0x
- remarkable-domain-verification=f074f1cb-c0c9-457c-9e04-b4b3a916817f
- d365mktkey=cKAor5kpYigokSQMQU1f0BeMUWrfmxy0UyxWsYZTxugx
- 0ed1fe018a3d984ceb9ef04b53b26130f1bbd3380f
- apple-domain-verification=VqQ8shnc8lff3f5n
- SPFv=spf1 ip4:159.183.153.184 ip4:3.214.204.181 ip4:35.174.145.124 include:spf.protection.outlook.com include:spfa.cpmails.com include:sendgrid.net include:spf.emailsignatures365.com include:one.zoho.com ~all
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