Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gumprecht.online
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 16:19:06 UTC · ↺ Refresh
MX Hostnames
- gumprecht-online.mail.protection.outlook.com
MX Priorities
- gumprecht-online.mail.protection.outlook.com: 0
A / AAAA Records
- 188.40.32.11 ↩ v4810.timmehosting.de
Mail Server IPs
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.timmehosting.de zonemaster.timmehosting.de 2025100704 7200 900 604800 86400
Primary NS (mname)
ns1.timmehosting.de
Admin Email (rname)
zonemaster@timmehosting.de
Serial
2025100704
Refresh
7200s
Retry
900s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns3.timmehosting.de
ns1.timmehosting.de
ns2.timmehosting.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;pct=50;adkim=r;aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine
⚠ Policy applies to 50% of failing messages only
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
11 records- SPFv=spf1 include:spf.protection.outlook.com -all
- openai-domain-verification=dv-kge1L7NSuklAb7ZqmHgBlp7W
- 3k2n1qd0rmtwdblmcq3l6n0dlnxxr8s0
- 36jrq71q9344lz052x2pdp0dkfzyy6k4
- google-site-verification=cd2TnSUQxJ9P-Wej9fpbU0yJRrOUfmRibnNpgVGtfZg
- 202105131003485w3v07kjsy1tvphzc9ujmr8k7j5wvu11xl6eact6j0py98dzgp
- _37jwhxyoxhjyb7wm3unzsfdmgosm94b
- pinterest-site-verification=e5744f636c5705756082a8f64913984c
- $2y$10$XYwpBU8WT2IKeRIskjJEnOVtWxqI4VGIjvHQZqOrrPCcCKUuP8g7i
- MS=ms94568680
- xnvbhsw6148tmh7x1rlhqdn4ggfkj2p2
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 gumprecht.online
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits