Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fastwaterheater.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 00:56:56 UTC · ↺ Refresh
MX Hostnames
- fastwaterheater-com.mail.protection.outlook.com
MX Priorities
- fastwaterheater-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.10 (no PTR)
- 141.193.213.11 (no PTR)
Mail Server IPs
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c946::2 ↩ mail-ch4pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:c92c::3 ↩ mail-dm5pr04cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
clayton.ns.cloudflare.com dns.cloudflare.com 2396932600 10000 2400 604800 1800
Primary NS (mname)
clayton.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396932600
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
clayton.ns.cloudflare.com
peaches.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=d; sp=reject; adkim=s; aspf=s; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 3 found
dkim._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- MS=ms73860254
- apple-domain-verification=lcROxMFLjqmMDQrf
- google-site-verification=DAyGXjujCgohNFN2NjnoIndh_jhcVmmj4IvyF2BA8fc
- google-site-verification=NZJCTki22Fnv0MgGKrOh7-BY9-t5UqVZLMHOY0vTA_E
- google-site-verification=X-R9MzbXh-356FHL7KYfSJXhOKfGlGPTbEN0BB5zM60
- linkedin-site-verification=eb06f782-fa3e-4614-84de-5eec4dc9569a
- mscid=bgaUGk4JFdRNjDuiP40KDF72VxvsAbF8zFHhaBHTFo4fTowyXbXQ5UMBrR3oX6ypPowfctgNpu6ACKVm62VN6Q==
- SPFv=spf1 include:spf.protection.outlook.com -all
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for fastwaterheater.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits