Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
blistex.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 03:14:59 UTC · ↺ Refresh
MX Hostnames
- blistex-com.mail.protection.outlook.com
MX Priorities
- blistex-com.mail.protection.outlook.com: 10
A / AAAA Records
- 192.190.221.99 ↩ cloudhost-4486497.us-midwest-2.nxcli.net
Mail Server IPs
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.prncpm.com tech.brandshelter.com 2026030500 10800 3600 604800 300
Primary NS (mname)
ns1.prncpm.com
Admin Email (rname)
tech@brandshelter.com
Serial
2026030500
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns3.prncpm.com
ns1.prncpm.com
ns2.prncpm.com
SPF Record
✓ Strict (-all)
v=spf1 include:_phishspf.knowbe4.com ip4:38.48.86.242 ip4:38.142.64.106 ip4:24.15.3.103 ip4:38.48.86.246 a:hybrid2.blistex.com include:spf.protection.outlook.com ip4:38.48.86.226 ip4:38.32.158.194 ip4:157.133.190.158 ip4:40.90.195.191 ip4:20.57.129.106 ip4:20.57.128.95 ip4:20.57.128.118 ip4:40.90.209.71 ip4:20.72.210.109 ip4:20.72.209.240 ip4:20.72.209.187 ip4:40.90.200.224 ip4:40.90.201.197 ip4:40.90.201.85 ip4:40.90.200.237 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ 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- SPFv=spf1 include:_phishspf.knowbe4.com ip4:38.48.86.242 ip4:38.142.64.106 ip4:24.15.3.103 ip4:38.48.86.246 a:hybrid2.blistex.com include:spf.protection.outlook.com ip4:38.48.86.226 ip4:38.32.158.194 ip4:157.133.190.158 ip4:40.90.195.191 ip4:20.57.129.106 ip4:20.57.128.95 ip4:20.57.128.118 ip4:40.90.209.71 ip4:20.72.210.109 ip4:20.72.209.240 ip4:20.72.209.187 ip4:40.90.200.224 ip4:40.90.201.197 ip4:40.90.201.85 ip4:40.90.200.237 -all
- openai-domain-verification=dv-28rFOliGMbgVJk3oZ0Zw4TjS
- IKII3BOwHoeyHDtxYhstAJkMUbnZ1ICcAOET/JVyBYLhSC6OzBaSH5jH1o24HY1LHQYkfS2fMi04CzW+E05PrQ
- dropbox-domain-verification=xv27e8wud7q5
- MS=ms24727739
- anthropic-domain-verification-dmsgfm=WGZosgg4BJmrfsYOTCOCZsmGU
- docusign=e6c6287f-ea3f-47a4-8ff1-65486808f181
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