Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
doppel-n.at
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 22:16:58 UTC · ↺ Refresh
MX Hostnames
- SMTP.GOOGLE.COM
MX Priorities
- smtp.google.com: 1
A / AAAA Records
- 185.175.196.9 (no PTR)
- 2a00:1c98:60:1020::e3d:14de
Mail Server IPs
- 142.250.31.26 ↩ bj-in-f26.1e100.net
- 142.250.31.27 ↩ bj-in-f27.1e100.net
- 142.251.111.26 ↩ bk-in-f26.1e100.net
- 142.251.111.27 ↩ bk-in-f27.1e100.net
- 172.253.63.26 ↩ bi-in-f26.1e100.net
- 2607:f8b0:4004:c19::1a ↩ bk-in-f26.1e100.net
- 2607:f8b0:4004:c08::1a ↩ bi-in-f26.1e100.net
- 2607:f8b0:4004:c0b::1a ↩ bj-in-f26.1e100.net
- 2607:f8b0:4004:c0b::1b ↩ bj-in-f27.1e100.net
SOA Record
Raw SOA
ns1.webgo.de hostmaster.webgo.de 2020030101 28800 7200 1309600 86400
Primary NS (mname)
ns1.webgo.de
Admin Email (rname)
hostmaster@webgo.de
Serial
2020030101
Refresh
28800s
Retry
7200s
Expire
1309600s
Minimum TTL
86400s
Nameservers (NS)
ns1.webgo.de
ns3.webgo.de
ns2.webgo.de
ns4.webgo.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:185.30.32.226 ip4:37.17.224.0/21 ip4:185.30.32.0/22 ip4:88.82.224.0/19 ip4:45.153.56.0/22 include:spf.mailjet.com include:_spf.google.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
google._domainkey
mail._domainkey
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- google-site-verification=qotq4mul_oHN9UuaKOY_qDBIOcSCbeZ6ivWyqq4-jCc
- SPFv=spf1 a mx ip4:185.30.32.226 ip4:37.17.224.0/21 ip4:185.30.32.0/22 ip4:88.82.224.0/19 ip4:45.153.56.0/22 include:spf.mailjet.com include:_spf.google.com ~all
- google-site-verification=vJoNdWqcF_dUoxo-NlI4flhGkqGy_ztYZui_6PayEvA
- apple-domain-verification=ApHtMeEh7laMsqC9
- google-site-verification=gxXvU_bvUxxdBJw5bqOmSFLetoMXpLrVJx9I3tTE_I4
- google-site-verification=7DfhNXURd5Xxl4xSkyIJpSXLqn2hLKv1G1pB-dkEgOI
- brevo-code:a88c0ba32961823a4a55952e174c469d
- google-site-verification=EblqZ2CHKuAfkWjETdajN8FBv1itpibNB-7U3Pqc9_Q
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 doppel-n.at
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits