sdh-hamburg.de

Valid Email Server
Domain Lookup › sdh-hamburg.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sdh-hamburg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 11:43:10 UTC · ↺ Refresh

MX Hostnames

  • xa8.serverdomain.org

MX Priorities

  • xa8.serverdomain.org: 10

A / AAAA Records

  • 89.107.186.104 ↩ xa8.serverdomain.org

Mail Server IPs

  • 89.107.186.104 ↩ xa8.serverdomain.org

SOA Record

Raw SOA ns1.nshost2.de hostmaster.webhostone.de 2016022736 10800 3600 604800 3600
Primary NS (mname)
ns1.nshost2.de
Admin Email (rname)
hostmaster@webhostone.de
Serial
2016022736
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns3.nshost2.net
ns2.nshost2.de
ns1.nshost2.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:89.107.184.0/21 ip4:185.18.92.0/22 ip4:176.28.21.205/32 ip6:2a01:50c0::/32 a mx include:spf.nl2go.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • SPFv=spf1 ip4:89.107.184.0/21 ip4:185.18.92.0/22 ip4:176.28.21.205/32 ip6:2a01:50c0::/32 a mx include:spf.nl2go.com -all
  • DKIMv=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCxg2tYVoxO4cJjPj+88mjBYfPoFQGa07I1Kaa+mWfmyUf0y/swrzXDW/HcwRc/JYCiBFtysPGuSVJ886gE9bZQMcVXtW1tMVvsw/thgJtL2Zia1YL778e81N0lYWrdmfxCaI1M4pDCD75I36DmSSk8pmh1/AabDhWBuuvYPSZbjQIDAQAB;
  • brevo-code:3bc00e98bf0165bfe73d3d67025fd7a1
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 sdh-hamburg.de

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits