Domain Overview
DNS: ✓ just now
Checker: ✓ just now
b-monitor.ru
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-06-02 01:35:21 UTC · ↺ Refresh
MX Hostnames
- pfa.b-monitor.ru
MX Priorities
- pfa.b-monitor.ru: 100
A / AAAA Records
- 51.250.55.38 (no PTR)
Mail Server IPs
- 89.108.110.129 ↩ pfa.b-monitor.ru
SOA Record
Raw SOA
a.ns.selectel.ru support.selectel.ru 2026050102 10800 3600 604800 60
Primary NS (mname)
a.ns.selectel.ru
Admin Email (rname)
support@selectel.ru
Serial
2026050102
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
60s
Nameservers (NS)
a.ns.selectel.ru
b.ns.selectel.ru
c.ns.selectel.ru
d.ns.selectel.ru
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a ip4:185.76.145.44 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- ZOOM_verify_55UA-dJ9SnWNnw4minaL4Q
- SPFv=spf1 mx a ip4:185.76.145.44 ~all
- globalsign-domain-verification=dtk4qTvjX2V5Cv_TMgxWGYCexK8NBbhlWu6sMNkitH
- yandex-verification: 5fa2590b643f3065
- google-site-verification=OYuqeedvF8N2Vh3Ee-XQa1kmjpVA1mpSIOG-0M-hQkY
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 · Customize →
See demo & docs
Deep verification
Full email verification for b-monitor.ru
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits