Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tonerbuyer.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 07:58:45 UTC · ↺ Refresh
MX Hostnames
- mx00.ionos.com
- mx01.ionos.com
MX Priorities
- mx00.ionos.com: 10
- mx01.ionos.com: 10
A / AAAA Records
- 144.208.67.249 ↩ server.webnetws.com
Mail Server IPs
- 74.208.5.3 ↩ mx00.perfora.net
- 74.208.5.21 ↩ mx01.perfora.net
SOA Record
Raw SOA
ns1083.ui-dns.org hostmaster.1and1.com 2017040733 28800 7200 604800 300
Primary NS (mname)
ns1083.ui-dns.org
Admin Email (rname)
hostmaster@1and1.com
Serial
2017040733
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1083.ui-dns.biz
ns1083.ui-dns.org
ns1083.ui-dns.de
ns1083.ui-dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx include:_spf.perfora.net include:_spf-us.ionos.com include:server.webnetws.com include:_spf.kundenserver.de ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; ruf=mailto:[email protected]; rf=afrf; pct=100; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
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
2 records- SPFv=spf1 +a +mx include:_spf.perfora.net include:_spf-us.ionos.com include:server.webnetws.com include:_spf.kundenserver.de ~all
- google-site-verification=YWEVuQ8HUNxxxzC4WLHX0e-ijRu68bYkBmg0NXWeUp8
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 tonerbuyer.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits