Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
krollcorp.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 12:24:38 UTC · ↺ Refresh
MX Hostnames
- krollcorp-com.mail.protection.outlook.com
MX Priorities
- krollcorp-com.mail.protection.outlook.com: 1
A / AAAA Records
- 104.26.6.25 (no PTR)
- 172.67.74.17 (no PTR)
- 104.26.7.25
- 2606:4700:20::681a:619
- 2606:4700:20::681a:719
- 2606:4700:20::ac43:4a11
Mail Server IPs
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
SOA Record
Raw SOA
vick.ns.cloudflare.com dns.cloudflare.com 2399413004 10000 2400 604800 1800
Primary NS (mname)
vick.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399413004
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
vick.ns.cloudflare.com
zoe.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com mx a a:mail.krollcorp.com a:webmail.krollcorp.com a:spf.constantcontact.com a:in.constantcontact.com ip4:209.124.47.130 ip4:96.88.139.225 ip4:208.75.123.162 -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
5 records- klaviyo-site-verification=TfGbNZ
- SPFv=spf1 include:spf.protection.outlook.com mx a a:mail.krollcorp.com a:webmail.krollcorp.com a:spf.constantcontact.com a:in.constantcontact.com ip4:209.124.47.130 ip4:96.88.139.225 ip4:208.75.123.162 -all
- 5o9oc79073j3tls806ifv8k0dg
- 855e10c3b5n5lq9dnvob171tt8
- MS=ms86150699
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