Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
coder-world.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-04 14:36:36 UTC · ↺ Refresh
MX Hostnames
- coder-world.de
MX Priorities
- coder-world.de: 10
A / AAAA Records
- 213.32.107.133 ↩ coder-world.de
- 2001:41d0:303:8abd::7 ↩ coder-world.de
Mail Server IPs
- 213.32.107.133 ↩ coder-world.de
- 2001:41d0:303:8abd::7 ↩ coder-world.de
SOA Record
Raw SOA
ns1.axcoredns.com webmaster.coder-world.de 2026022608 14400 10800 2592000 900
Primary NS (mname)
ns1.axcoredns.com
Admin Email (rname)
webmaster@coder-world.de
Serial
2026022608
Refresh
14400s
Retry
10800s
Expire
2592000s
Minimum TTL
900s
Nameservers (NS)
ns1.axcoredns.com
ns2.axcoredns.org
SPF Record
✓ Strict (-all)
v=spf1 ip4:213.32.107.133 ip4:217.182.110.114 ip6:2001:41d0:303:8abd::7 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 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
2 records- google-site-verification=gmHMSLgo6mO6vKgHjKMdEegSSA0rS8W1pwokiprVCVo
- SPFv=spf1 ip4:213.32.107.133 ip4:217.182.110.114 ip6:2001:41d0:303:8abd::7 -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 · Customize →
See demo & docs
Deep verification
Full email verification for coder-world.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits