Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cerebras.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 02:27:15 UTC · ↺ Refresh
MX Hostnames
- cerebras-net.mail.protection.outlook.com
MX Priorities
- cerebras-net.mail.protection.outlook.com: 0
A / AAAA Records
- 76.76.21.21 (no PTR)
Mail Server IPs
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns43.domaincontrol.com dns.jomax.net 2026031700 28800 7200 604800 600
Primary NS (mname)
ns43.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031700
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns43.domaincontrol.com
ns44.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:relay.kinstamailservice.com include:8968533.spf08.hubspotemail.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
28 records- smartsheet-site-validation=z557LlT-lk-Wlhz1ka70k8A0sipf-Evl
- notion-domain-verification=ab0sMxtIiZFznedfK3df8XseKxSRcUxaZQCkEJIDELO
- atlassian-sending-domain-verification=f3cbbb32-1b8b-4c28-8b97-09264b06a020
- dropbox-domain-verification=hg9zh4hywv5n
- include:8968533.spf08.hubspotemail.net
- cloudflare_dashboard_sso=e8c36af15503d852ce6800244bf60d29
- atlassian-domain-verification=Q92KGxpC3ywBvSd82JLIGJLSq7UsZJvtm9ZMFw6WASeZ7QIC1vbXKp8Dj4CORlWU
- atlassian-sending-domain-verification=bc51e326-be66-4abc-b5c5-783bc431a846
- google-site-verification=AlGT9hYHqv-qsLKbu1uOHa2SkQnLNvde_nfmyllNur8
- _43ob6eumfhom7ez1m8deyde7murt3kq
- 762181
- google-site-verification=V1t-S8xnNTN8-91-cL3PQo9GTQB6_ic3sgUAoMpU5d0
- stripe-verification=F95ECA00ECB1EB434F80E8692839220281D8D929A97D1971EBD6434C586FE453
- v=verifydomain MS=1553338
- _spf.salesforce.com
- google-site-verification=rhUrF_EHPBjX31iGA1dlQTLRldjsE1b74bQoXM5lUIs
- windsurf-verification=Ek1pehVwlPBJPxum6AEfaVj_aEiFDjIqPGvmQXhnRSs=
- atlassian-domain-verification=7QO0sJO3uHersIxI5rTf/BAz8TQgz4yaV0iiO5qHk9DhnUG6He4XxDSSZ9LXA9k5
- s2jyx5wwpmq9hspfy6xxw5sb26q8z587
- atlassian-domain-verification=6wcS3pL9TI3fLFNndTzYMKji6qfGkzMhZic7SAbqACNVOoLNDKV/fx9wlOvjFnct
- 44277BF71E
- slack-domain-verification=UOoZNVS5xbGyCKWKbioGZbiVvQueNZ1fOu6qY477
- 3dq03bwy1r8q550dg4cyqmszsjg69lng
- SPFv=spf1 include:spf.protection.outlook.com include:relay.kinstamailservice.com include:8968533.spf08.hubspotemail.net -all
- AWV+qDPyN/c3+5B3jpjEGPkiWgwKX4oK3wri/x1D0KY==
- apple-domain-verification=8b80NfVCbYEShUTE
- stripe-verification=f5aee54f10231116434408363387793975055f93aac1932b79ed4a399ca44036
- anthropic-domain-verification-bz7qen=wmPoivD8AiMxbqhEhXtb3hqVW
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