Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
redcapplumbingandair.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 22:36:11 UTC · ↺ Refresh
MX Hostnames
- redcapplumbingandair-com.mail.protection.outlook.com
MX Priorities
- redcapplumbingandair-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.88.246 (no PTR)
- 172.67.154.128 (no PTR)
- 2606:4700:3036::ac43:9a80
- 2606:4700:3030::6815:58f6
Mail Server IPs
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
adrian.ns.cloudflare.com dns.cloudflare.com 2398896934 10000 2400 604800 1800
Primary NS (mname)
adrian.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398896934
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
walt.ns.cloudflare.com
adrian.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:216.37.42.139 include:relay.mailchannels.net include:spf.intermedia.net include:spf.protection.outlook.com +a +mx ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
8 records- yahoo-verification-key=cWPBucY7u3D6Fi1Eu3WVrz8rmxf3fmN9Cz9rMKJ2W3E=
- MS=ms13479412
- google-site-verification=disxicb-nPgIabrPypbsefEn0C3E0VP8J0hU60qnvT4
- google-site-verification=rO_iDVu5TusGJiR1el43ru4rsPwn2mRSdd5yYBpFfCg
- google-site-verification=xnYVwPUrfItMZj2FLOBuy9FWyxJYy8IklxUshUeNRrA
- google-site-verification=xsgsF_9NQqzy5AlMBjlJB16QkL0T7Xy_hNI3zRKdcHA
- knowbe4-site-verification=ff5af0ee0401aca65511e07c8249422f
- SPFv=spf1 ip4:216.37.42.139 include:relay.mailchannels.net include:spf.intermedia.net include:spf.protection.outlook.com +a +mx ~all
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