Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
redcat.red
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 06:18:51 UTC · ↺ Refresh
MX Hostnames
- redcat.mail.protection.office365.us
MX Priorities
- redcat.mail.protection.office365.us: 0
A / AAAA Records
- 160.153.0.50 ↩ 50.0.153.160.host.secureserver.net
Mail Server IPs
- 23.103.199.138 ↩ mail-bn3usg020138.inbound.protection.outlook.com
- 23.103.199.170 ↩ mail-cy1usg020170.inbound.protection.outlook.com
- 2001:489a:2202:4::10 ↩ mail-bn3usg020010.inbound.protection.outlook.com
- 2001:489a:2202:5::10 ↩ mail-cy1usg020010.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-821.awsdns-38.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-821.awsdns-38.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-821.awsdns-38.net
ns-110.awsdns-13.com
ns-1188.awsdns-20.org
ns-1564.awsdns-03.co.uk
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; adkim=r; aspf=r; rua=mailto:[email protected],mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 4 found
google._domainkey
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- protonmail-verification=628fa734325d9dcc659d44ca507a6a9bc8586f4b
- smartsheet-gov-site-validation=d5d7XGdjCXMBwV0H_Tym6VcHlDrbD4bY
- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
- MS=ms80624696
- apple-domain-verification=ZChuZ9C9zFJRAbRr
- atlassian-domain-verification=90nuSmedq15QE6mfboNHbTCYW2oiCg4NBVdmQiKTeVfF5zPSa8FJ5KjGccEhvk9H
- atlassian-domain-verification=Hqzam3fxaN6ObqBTHqZoAt7heSy/zaLpUczffO10wYQ4sV69HHSthh9hLKETdfLR
- ca3-783675e9b24349cbb5588d66da075528
- google-site-verification=_O2Tg6FxfSbK1Cb-qbjUh8gp85ztrpy_j4HePv7Sm-4
- google-site-verification=jvpJhNc8kL0uvjfwnFj3U_JhCD1kurfpG2WinnRdHfw
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