gsk.de

Valid Email Server
Domain Lookup › gsk.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
gsk.de
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-18 10:57:09 UTC · ↺ Refresh

MX Hostnames

  • mxa-00947f01.gslb.pphosted.com
  • mxb-00947f01.gslb.pphosted.com

MX Priorities

  • mxb-00947f01.gslb.pphosted.com: 10
  • mxa-00947f01.gslb.pphosted.com: 10

A / AAAA Records

  • 185.175.199.40 (no PTR)
  • 2a00:1c98:60:1220::c27f:d9b2 (no PTR)

Mail Server IPs

  • 185.183.28.5 ↩ mx08-00947f01.pphosted.com
  • 185.132.181.232 ↩ mx07-00947f01.pphosted.com

SOA Record

Raw SOA ns.space.net hostmaster.space.net 2026030402 28800 3600 864000 86400
Primary NS (mname)
ns.space.net
Admin Email (rname)
hostmaster@space.net
Serial
2026030402
Refresh
28800s
Retry
3600s
Expire
864000s
Minimum TTL
86400s

Nameservers (NS)

ns4.dns.space.net
ns3.dns.space.net
ns.space.net

SPF Record

✓ Soft Fail (~all)
v=spf1 a:mail.gsk.de a:mail2.gsk.de a:gsk-gatekeeper1-relay.space.net a:gsk-gatekeeper2-relay.space.net ip4:195.30.103.193 ip4:195.30.103.194 ip4:185.132.181.232 ip4:185.183.28.5 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];ruf=mailto:[email protected]; fo=1
⚠ 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

14 records
  • apple-domain-verification=xd3Cacb17FaoqaIs
  • xsplit_verify=PVpqWRPcFiFYeGFA7T0X9iqJGcLxyKYsRBK8
  • g6cr3p7368na237jnhe9ii0pea
  • swisssign-check=mraWpDSrxJ2Ic1iEkgDCER5YuK8
  • lemontaps-domain-verification=d254152e964ea26efbd4f94edbe14880ff4c248cf073fd97bf35d30e46ddb7bf
  • SPFv=spf1 a:mail.gsk.de a:mail2.gsk.de a:gsk-gatekeeper1-relay.space.net a:gsk-gatekeeper2-relay.space.net ip4:195.30.103.193 ip4:195.30.103.194 ip4:185.132.181.232 ip4:185.183.28.5 ~all
  • facebook-domain-verification=b0kdnat6cx28jv836snldk2zr2i1s2
  • MS=ms53865881
  • docusign=73559c01-9b90-491f-af2b-76ef66370f5c
  • google-site-verification=a-PWyznW3I5EaUbOooKdevnqsR5XDzc_u67sWdK15lk
  • odmtoa7nh8bu8asreaqoc7g0gi
  • 1password-site-verification=U4LEGDM2OBDW3FCFAK2PKV37MQ
  • hrm66vgi75mj8dl9sgum9v1tk4
  • swisssign-check=5Cu0ys-c41O9k0jfCR4K8ZzKM98
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 gsk.de

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

No credit card required
Get 1,000 Free Credits