Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
rkstock.eu
Yes
โ Yes
Unknown
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-03-24 04:16:24 UTC ยท โบ Refresh
MX Hostnames
- mx.stable.cz
- mx.stable.sk
MX Priorities
- mx.stable.sk: 10
- mx.stable.cz: 5
A / AAAA Records
- 62.109.151.146 โฉ dw095.webglobe.com
Mail Server IPs
- 62.109.128.119 โฉ mx-lb.core.webglobe.com
- 185.102.21.66 โฉ mx-lb-bra.core.webglobe.com
SOA Record
Raw SOA
ns.stable.cz hostmaster.stable.cz 2026031501 28800 7200 604800 10800
Primary NS (mname)
ns.stable.cz
Admin Email (rname)
hostmaster@stable.cz
Serial
2026031501
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns.stable.sk
ns.stable.cz
SPF Record
โ Soft Fail (~all)
v=spf1 include:smtpx.stable.cz ~all
๐ DNS lookups: 1/10
~ Soft fail (~all) โ moderate enforcement
DMARC Record
โ p=none
v=DMARC1; p=none;
โ p=none โ monitoring only, no enforcement
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
โ No aggregate reports (rua= not set)
DKIM Selectors
โ 1 found
default._domainkey
โ Public key: 216 chars (valid)
โ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:smtpx.stable.cz ~all
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for rkstock.eu
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits