Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sierrafp.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 19:34:40 UTC · ↺ Refresh
MX Hostnames
- sierrafp-com.mail.protection.outlook.com
MX Priorities
- sierrafp-com.mail.protection.outlook.com: 0
A / AAAA Records
- 52.3.163.37 ↩ ec2-52-3-163-37.compute-1.amazonaws.com
Mail Server IPs
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.itweapons.com hostmaster.itweapons.com 2026020229 3600 600 1209600 3600
Primary NS (mname)
dns1.itweapons.com
Admin Email (rname)
hostmaster@itweapons.com
Serial
2026020229
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns5.itweapons.com
dns4.itweapons.com
dns2.itweapons.com
dns1.itweapons.com
dns6.itweapons.com
dns3.itweapons.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf1.sierrafp.com include:spf.protection.outlook.com include:_spf.salesforce.com include:spf-us.emailsignatures365.com include:mailgun.org include:342409003.spf02.hubspotemail.net ip4:69.77.185.49 ip4:67.210.212.212 ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
12 records- adobe-idp-site-verification=c527334c187f6338efedb042949bffd7d4241905f1b0c4694dae6e68be4ab96f
- google-site-verification=5lSo6wd_ckYEdMYAg_B1cx76JPiSydTqzyPb4moyNZY
- mjhu4tv40fe8n1rieeeb99snc9
- spop1024._do
- MS=ms63115774
- docusign=5b24da3d-d642-4c8b-9de9-0215f92a7d7f
- knowbe4-site-verification=0f21ec81c688fb06eeef283fb09913d5
- epbn8g7istporrm8soloadq7f2
- DGWKMBAaNruf/PPXMprck8WUYP9n2ZwD1at/7d6m3jXbLmaXLreP4NY/hnSVzjRTQuZ20CMQ0Vsp5+l2TG96mw==
- docusign=2dd3f8d5-7785-44c7-a766-9f6c713dc658
- SPFv=spf1 include:spf1.sierrafp.com include:spf.protection.outlook.com include:_spf.salesforce.com include:spf-us.emailsignatures365.com include:mailgun.org include:342409003.spf02.hubspotemail.net ip4:69.77.185.49 ip4:67.210.212.212 ~all
- a45p2fcfhbbe5naq1k0cekc6f2
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