Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
casfin.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 02:00:49 UTC · ↺ Refresh
MX Hostnames
- casfin-co-uk.mail.protection.outlook.com
MX Priorities
- casfin-co-uk.mail.protection.outlook.com: 10
A / AAAA Records
- 5.134.14.106 ↩ grh70.myukcloud.com
Mail Server IPs
- 52.101.99.2 ↩ mail-cwxp265cu00502.inbound.protection.outlook.com
- 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
- 52.101.89.2 ↩ mail-lo3p265cu00302.inbound.protection.outlook.com
- 52.101.89.0 ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
- 2a01:111:f403:ca1a:: ↩ mail-cwxp265cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::2 ↩ mail-lo0p265cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::1 ↩ mail-lo3p265cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca1a::1 ↩ mail-cwxp265cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
dns0.proweb.net hostmaster.proweb.net 1764237911 7200 3600 86400 120
Primary NS (mname)
dns0.proweb.net
Admin Email (rname)
hostmaster@proweb.net
Serial
1764237911
Refresh
7200s
Retry
3600s
Expire
86400s
Minimum TTL
120s
Nameservers (NS)
dns2.proweb.net
dns1.proweb.net
dns0.proweb.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:82.118.124.68 ip4:82.118.124.65 ip4:62.105.175.216 ip4:209.42.21.105 ip4:5.134.14.106 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- _ime2167v4te4k5afiv2ia6d5kl4uwx9
- SPFv=spf1 include:spf.protection.outlook.com ip4:82.118.124.68 ip4:82.118.124.65 ip4:62.105.175.216 ip4:209.42.21.105 ip4:5.134.14.106 -all
- apple-domain-verification=kRMKfkmU-3WaBuq0DAS5nme4XKZUzXbt8Kn9lSdK--o
- g23bl7lkrct3lzyct1r3rmtv79cv2n65
- MS=ms97340422
- 491cxh4nvrqdp7skhnhx14gcp4qvl3nl
- zvsj09mgs784qr6hg39vjxjwfqlvdjnl
- adobe-sign-verification=ed54421f2fd1679b8b137df93f6a5cf1
- qT3Vjc3mw+7p3vHqBHALmFB6rUdM9u9pCbkThpDsJn34ZEWsch72d5ldjCVssR1ll6oQwuG1ixBqzDazqUM6wQ==
- shkraassfgjdqqh5ihm07van4a
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 casfin.co.uk
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits