Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rednucleus.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 22:41:46 UTC · ↺ Refresh
MX Hostnames
- rednucleus-com.mail.protection.outlook.com
MX Priorities
- rednucleus-com.mail.protection.outlook.com: 0
A / AAAA Records
- 76.76.21.21 (no PTR)
Mail Server IPs
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
pdns07.domaincontrol.com dns.jomax.net 2026031905 28800 7200 604800 600
Primary NS (mname)
pdns07.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031905
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
pdns08.domaincontrol.com
pdns07.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.salesforce.com ip4:71.162.154.202 ip4:209.190.225.154 ip4:114.143.14.116 ip4:182.76.160.122 ip4:64.207.180.51 ip4:173.166.112.109 ip4:64.18.219.57 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._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
20 records- docusign=d1765ffd-83aa-40d6-b186-6673afd88ba9
- sophos-domain-verification=217f921a7b6d62240d1a4cdffcf1bfa16434282cd66eb074e7874922f9398a5a
- MS=B542E438771B1468C1B786F02A6C73F9B4F003D4
- SPFv=spf1 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.salesforce.com ip4:71.162.154.202 ip4:209.190.225.154 ip4:114.143.14.116 ip4:182.76.160.122 ip4:64.207.180.51 ip4:173.166.112.109 ip4:64.18.219.57 ~all
- atlassian-domain-verification=UGx5m092IO5Q41RXeMQ8xrVjim3vBsEgQNoyGz3mIEFbaOXp1TJ1yn522cF17KYR
- MS=ms30987835
- Fathom_DomainChange
- google-site-verification=5Ca8WM4asyiaSCyJULjgedGGK7MLWgjbIaYRR-hW8yI
- jamf-site-verification=Bey04Pozz-A0sDTO1SjkXg
- parsec-domain-verification=td_2rGEJPTCUNW67rQGBfH0n81j6ec
- v=verifydomain MS=2156851
- apple-domain-verification=ZlS9NluRLkUTBLpt
- _gitlab-pages-verification-code.rednucleus.com TXT gitlab-pages-verification-code=0138dfd3f02f16054f502304a30249dc
- naju0bEXthsyFs6dKGf7zQlualBxwXACxtixy7DdvuJfVwDFIUJflKLXcHY2aVQzjW3CuIN452s7i1cEWiJQdQ==
- box-domain-verification=70cd086f0ffd96e0265897476a560c1fa4ff437844b78e6cb5ff26827a7b7dc7
- 0ed1fe018a2c562f1fde684c8c9a66d9bc5c99366a
- pardot904642=2eb05c472868a63505dc826942430983fdd28cedb98b4365f283eb5a337a88b4
- logmein-verification-code=612afc59-1932-487a-8c15-cdee4ef267ad
- _gitlab-pages-verification-code.rednucleus.com TXT gitlab-pages-verification-code=e41b7b91b9f85009289cb7ed26354132
- sending_domain904642=2273824e0559db9ff4fb22994fa97c4dd21c3a7378ea21b2a648a6e58482f174
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