Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
holtzbrinck.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 08:59:58 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
MX Priorities
- alt4.aspmx.l.google.com: 10
- alt3.aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 5
- alt1.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
A / AAAA Records
- 188.40.218.81
- 2a01:4f8:d0a:6448::2
Mail Server IPs
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 142.250.31.27 ↩ bj-in-f27.1e100.net
- 2607:f8b0:4004:c17::1a ↩ bl-in-f26.1e100.net
SOA Record
Raw SOA
ns71.domaincontrol.com dns.jomax.net 2026022000 28800 7200 604800 600
Primary NS (mname)
ns71.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026022000
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns71.domaincontrol.com
ns72.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:_spf-dc2.successfactors.com ip4:94.135.231.236 ip4:153.95.95.86 ip4:153.95.95.88 ip4:208.185.235.45 ip4:18.168.51.200 ip4:35.214.212.238 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected],mailto:[email protected]; sp=none; aspf=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none
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
9 records- atlassian-domain-verification=aE1S5NYibvstTac9hKsh3WuxTDc9fgC3EamozFJtMnfTvUFA8iHCeMTEDiCFV7MJ
- SPFv=spf1 include:_spf.google.com include:_spf-dc2.successfactors.com ip4:94.135.231.236 ip4:153.95.95.86 ip4:153.95.95.88 ip4:208.185.235.45 ip4:18.168.51.200 ip4:35.214.212.238 -all
- MS=ms50832950
- google-site-verification=SrbWrGxfjNsuGvbLBPWRoo764XjaiIsEEItpDhRYp1k
- apple-domain-verification=4oEtmynLlxohj8zc
- successfactors-site-verification=ZWE4ZmNjYzQxMDY4NTFiZjJhNDNlMjlhMjJjODA4ODQ0NGE2ZDUwNDJkYzJiZmIxYWRmY2EzYzJlMThjZTQwZQ==
- MS=9C0973D81DAE4156A60CAB340C560FC7DEC6486B
- google-site-verification=vL9mYqXiO8nq95TL0Ggdojma3L1VOMrhFiavPK4JYtk
- bw=VyRBXIenUPw1mpmS2FAO187tbmD1M7fkd4CEJb9Uag9B
Full email verification for holtzbrinck.com
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