Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
caltechgroup.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 21:01:26 UTC · ↺ Refresh
MX Hostnames
- caltechgroup-com.mail.protection.outlook.com
MX Priorities
- caltechgroup-com.mail.protection.outlook.com: 0
A / AAAA Records
- 184.107.122.225 ↩ mtl202.greengeeks.net
Mail Server IPs
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.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
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.greengeeks.net root.mtl202.greengeeks.net 2025121900 3600 1800 1209600 86400
Primary NS (mname)
ns1.greengeeks.net
Admin Email (rname)
root@mtl202.greengeeks.net
Serial
2025121900
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns2.greengeeks.net
ns1.greengeeks.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:184.107.122.225 include:spf.greengeeks.net ip4:198.166.128.167 ip4:198.166.128.162 ip4:198.166.128.163 ip4:216.36.165.51 ip4:216.232.163.95 ip4:69.11.122.51 ip4:69.11.71.214 ip4:216.36.173.103 ip4:184.107.41.83 include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
default._domainkey
mail._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
9 records- s9mh0hhgje15nns16o4k333k3c
- _globalsign-domain-verification=w9oY3t7jaJpOzycW5-bwrTmS5lJ1u6otGzHvNTBTcw
- SPFv=spf1 ip4:184.107.122.225 include:spf.greengeeks.net ip4:198.166.128.167 ip4:198.166.128.162 ip4:198.166.128.163 ip4:216.36.165.51 ip4:216.232.163.95 ip4:69.11.122.51 ip4:69.11.71.214 ip4:216.36.173.103 ip4:184.107.41.83 include:spf.protection.outlook.com ~all
- _globalsign-domain-verification=E8Y1p-Llfw-NbDykKEiW3OBgAuYrRHxNicOFzCMq0F
- _globalsign-domain-verification=v2I1wclStS5fZtiP03DKMYdUVzxljCgWBeTvMLUOVK
- 3nq7pi2rp5l0ijtguc8vdkopl3
- sophos-domain-verification=f21c28e371aec7993bdb6a24c30a318e69563114949ef9d7acb004bc68c68c9d
- brevo-code:91ade0ce4d4292d64e10374491db5580
- _globalsign-domain-verification=vpIVbpoJzLEqDaP2_CJQJxof86ClFyv_XCM1IIesvV
Full email verification for caltechgroup.com
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