Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
alterramtnco.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 06:02:59 UTC · ↺ Refresh
MX Hostnames
- alterramtnco-com.mail.protection.outlook.com
MX Priorities
- alterramtnco-com.mail.protection.outlook.com: 10
A / AAAA Records
- 18.238.80.53 ↩ server-18-238-80-53.jfk52.r.cloudfront.net
- 18.238.80.8 ↩ server-18-238-80-8.jfk52.r.cloudfront.net
- 18.238.80.94
- 18.238.80.127
Mail Server IPs
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-778.awsdns-33.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-778.awsdns-33.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-427.awsdns-53.com
ns-778.awsdns-33.net
ns-1122.awsdns-12.org
ns-1740.awsdns-25.co.uk
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_u.alterramtnco.com._spf.dmarclf.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=reject; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
dkim._domainkey
s1._domainkey
s2._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
14 records- _fi09skgsly1cxy89clofo4stzw80qw2
- airtable-verification=cbf36902f44d792c96c202e9ac9b150b
- brevo-code:91482bc46500e48fb9361c4a8a9c27cd
- cursor-domain-verification-ffjhgg=fCjDdtP6j6cDB5zDFTBBe0B6V
- docusign=d4d6f9b3-fe05-4e4e-b090-4e61c8d0cdc5
- google-site-verification=4REIcdgTy0eUTHJO12YGJAW1pFHeXUSxTXn6b_rlIbs
- hcp-domain-verification=e04c91c67babcdfd30dc3d6ae0acecef604e1f5ea0f0b8a06dc8cf29a719f9fc
- matillion:alterramtnco-com-saml
- onetrust-domain-verification=4324834226a74fd8991d208b79173199
- SPFv=spf1 include:_u.alterramtnco.com._spf.dmarclf.com ~all
- wrike-verification=NzAxMjMzOTphZTE3MDU4NDU3MjAyOWI5ZjdlYzU1NjRhYTI4NjdmOWMyYjk3NjM1Y2RiZjkzNWI0NDcwYjlmNjZiZDhjMmQy
- 00DSu000000ljcn=1TBSu000000003F
- 13c76c3d5cd6e710620516e3f1b095158b0b013062931bb755
- PWB155Vb9OQNoKatqkAe1lnlEop8t8A2vknCRl7w+RvKuQgrJR0HofUPstBckYsTxnD3vV14J6etsZL5CyUpXA==
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