Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
altera.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 02:18:27 UTC · ↺ Refresh
MX Hostnames
- altera-com.mail.protection.outlook.com
MX Priorities
- altera-com.mail.protection.outlook.com: 10
A / AAAA Records
- 35.155.36.56 ↩ ec2-35-155-36-56.us-west-2.compute.amazonaws.com
- 44.235.189.9 ↩ ec2-44-235-189-9.us-west-2.compute.amazonaws.com
Mail Server IPs
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f903:: (no PTR)
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-04.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-04.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-04.azure-dns.net
ns3-04.azure-dns.org
ns4-04.azure-dns.info
ns1-04.azure-dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:52.234.124.226 ip4:192.55.52.195 ip4:13.83.14.143 ip4:13.64.239.74 ip4:20.184.132.133 ip4:159.183.193.109 ip4:159.183.200.101 ip4:159.183.213.105 ip4:159.183.213.107 ip4:159.183.213.204 ip4:159.183.214.96 ip4:167.89.110.192 ip4:167.89.126.180 ip4:50.31.57.204 include:spf.protection.outlook.com mx include:docebosaas.com include:spf_c.oraclecloud.com include:_spf.psm.knowbe4.com include:_spf.salesforce.com mx:antidot.net ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; f0=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
9 records- airtable-verification=1adcf14fe8e62a6b5a6013d8c5fd3faf
- _a924xvh0xprvo73hfeuww8xtdrr71dg
- google-site-verification=wCBS-91ylwoOt8tYgW_v4nhLMcKez0LVx6rPNpGO7us
- cursor-domain-verification-bqyw2d=iAtjWU5tePB6sAqv5VQqTGtzq
- 00DHr000009zOM2=1TBUi00000000BJ;00DVD000008xmLl=1TBVD00000004DJ;00DVD00000AhQj3=1TBVD00000004Ev;00DVD000007FHUL=1TBVD00000004Bh;00Dce000008r76n=1TBce00000000eL;00DVD00000CRcyL=1TBVD0000000FTh
- SPFv=spf1 ip4:52.234.124.226 ip4:192.55.52.195 ip4:13.83.14.143 ip4:13.64.239.74 ip4:20.184.132.133 ip4:159.183.193.109 ip4:159.183.200.101 ip4:159.183.213.105 ip4:159.183.213.107 ip4:159.183.213.204 ip4:159.183.214.96 ip4:167.89.110.192 ip4:167.89.126.180 ip4:50.31.57.204 include:spf.protection.outlook.com mx include:docebosaas.com include:spf_c.oraclecloud.com include:_spf.psm.knowbe4.com include:_spf.salesforce.com mx:antidot.net ~all
- sending_domain1090322=1b64584b703c39140ad08a1e294e842ecaaa10495ef90f41cd39956b86e586cc
- google-site-verification=XlOyC738jPmvB-NNOSUAQdJ-8FFaN6bN0tvIACJa3qA
- pardot1090322=15a10b2588ce6b438a85fc00019a6a74f71fca6ce0131d2d7c3e1d3ddaf56db7
Full email verification for altera.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits