Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
calteccorp.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 11:31:15 UTC · ↺ Refresh
MX Hostnames
- calteccorp-com.mail.protection.outlook.com
- caltec-la.mail.protection.outlook.com
MX Priorities
- calteccorp-com.mail.protection.outlook.com: 0
- caltec-la.mail.protection.outlook.com: 10
A / AAAA Records
- 172.67.194.115
- 104.21.34.3
- 2606:4700:3037::6815:2203
- 2606:4700:3032::ac43:c273
Mail Server IPs
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.10.1
SOA Record
Raw SOA
jean.ns.cloudflare.com dns.cloudflare.com 2399292383 10000 2400 604800 1800
Primary NS (mname)
jean.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399292383
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
jean.ns.cloudflare.com
matt.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:zcsend.net include:sender.zohobooks.com include:46391543.spf07.hubspotemail.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
11 records- google-site-verification=Dm7hxE-TO_YC5ntVPWdui-BVTzJ_bE5I36CpGN3BMvw
- linkedin-site-verification=a3616ae9-66c4-45cc-b6b1-a15eaf6f167a
- notion-domain-verification=G5QAqRWJm4aCiWc3dDWUGDeT88oAoRO5SvEu7pDrIej
- openai-domain-verification=dv-d4GFRWzTvwfU8eUCXPTnsxuK
- SPFv=spf1 include:spf.protection.outlook.com include:zcsend.net include:sender.zohobooks.com include:46391543.spf07.hubspotemail.net ~all
- adobe-idp-site-verification=72db64b575238ff216656767abb21b36b5dbd3591e081ad0d3ffd7b8a9496775
- apple-domain-verification=006ImkqLCbMJd4Bd
- apple-domain-verification=oS7Qrdg6VV9b9k8lJecxdma8ofVHxsv9Plgqc2tzp0w
- autodesk-domain-verification=VIhjmZ66xt5VBbNOgQzz
- docusign=94450fc3-1060-4ad7-a288-eb75935eba80
- dropbox-domain-verification=074m8ps86u9v
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