Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
keyrock.eu
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 18:15:12 UTC · ↺ Refresh
MX Hostnames
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt4.aspmx.l.google.com
MX Priorities
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
A / AAAA Records
- 172.66.40.216
- 172.66.43.40
- 2606:4700:3108::ac42:28d8
- 2606:4700:3108::ac42:2b28
Mail Server IPs
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 142.250.31.26 ↩ bj-in-f26.1e100.net
- 2607:f8b0:4004:c19::1a ↩ bk-in-f26.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
SOA Record
Raw SOA
coby.ns.cloudflare.com dns.cloudflare.com 2399923098 10000 2400 604800 1800
Primary NS (mname)
coby.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399923098
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
coby.ns.cloudflare.com
serena.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:5154532.spf06.hubspotemail.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; sp=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 1 found
google._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
19 records- zapier-domain-verification-challenge=2b9bb041-c227-40ab-a1cf-ca2c65ab8839
- notion-domain-verification=4ZAdTlawLO1z40R2dOsXFgVRW9DTYx13fATDB41MN59
- jamf-site-verification=-vUvJ60DRkNfXeRClj9zjw
- bw=6rr8WNqdUs6gsiEmxKQlL98QoPzccD7xfbFvrLLElVLU
- tipalti-domain-verification=dfb552ae-d50c-f111-838e-02501973a9c1
- apple-domain-verification=QmrdYp9GtXwh2HEG
- google-site-verification=VP-zf8IrtZLfosGXFlGd0qHA1S3LNR8T_NjiCLmqfIs
- anthropic-domain-verification-0k9x2g=CIcFNrJ9MJqodsZ60QuIFh5Qw
- mongodb-site-verification=8bw58GjwIRfHOrqcKyY5dujCgGsQHheC
- gather-domain-verification=7c92cb58-2da1-4686-bdb4-b4d6a2464c6f
- miro-verification=99927da2eb54daffe92561071ff80d7101eeca4b
- 1password-site-verification=6G6O26T6TFBRBIXVHZGBSD4RGE
- SPFv=spf1 include:_spf.google.com include:5154532.spf06.hubspotemail.net -all
- google-site-verification=Zn2O06iaYF48wYAqs0tJbsazKuCZvq-tcs7UNRrAGOM
- figma-domain-verification=4d07659b6dd7428e6249374c59bb7e07e1ae49ab91516da3a973b629251a0b56-1740665919
- cursor-domain-verification-zpdmwm=EcfJEVOiDsYU6uAEVDcvcq0mX
- MS=ms58590711
- 1|www.keyrock.eu
- slack-domain-verification=PxlKWQgsR2pHYluxUJKohc40Wbo2B9ZlkWRce6r6
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 keyrock.eu
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits