Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
redchillinetwork.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-18 17:02:15 UTC · ↺ Refresh
MX Hostnames
- redchillinetwork-co-uk.mail.protection.outlook.com
MX Priorities
- redchillinetwork-co-uk.mail.protection.outlook.com: 0
A / AAAA Records
- 185.151.30.159 ↩ 185-151-30-159.ptr4.stackcp.net
- 2a07:7800::159 (no PTR)
Mail Server IPs
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.redchillinetwork.uk hostmaster.stackdns.com 1767718677 1800 900 1209600 300
Primary NS (mname)
ns1.redchillinetwork.uk
Admin Email (rname)
hostmaster@stackdns.com
Serial
1767718677
Refresh
1800s
Retry
900s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
ns3.redchillinetwork.uk
ns4.redchillinetwork.uk
ns1.redchillinetwork.uk
ns2.redchillinetwork.uk
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.stackmail.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=0:1:d:s; pct=100; adkim=s; aspf=s; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
2 records- google-site-verification=9paCMQ7Z2cNmpsksKrmnmCb8OILsEc10kzTvLYA9Jkk
- SPFv=spf1 include:spf.protection.outlook.com include:spf.stackmail.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 redchillinetwork.co.uk
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits