Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
chainguard.dev
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 06:24:02 UTC · ↺ Refresh
MX Hostnames
- alt3.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx.l.google.com
- alt4.aspmx.l.google.com
MX Priorities
- alt4.aspmx.l.google.com: 10
- aspmx.l.google.com: 1
- alt2.aspmx.l.google.com: 5
- alt3.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 76.76.21.21
Mail Server IPs
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
- 142.251.167.26 ↩ ww-in-f26.1e100.net
- 2607:f8b0:4004:c06::1a ↩ bg-in-f26.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
SOA Record
Raw SOA
ns-cloud-c1.googledomains.com cloud-dns-hostmaster.google.com 95 21600 3600 259200 300
Primary NS (mname)
ns-cloud-c1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
95
Refresh
21600s
Retry
3600s
Expire
259200s
Minimum TTL
300s
Nameservers (NS)
ns-cloud-c3.googledomains.com
ns-cloud-c1.googledomains.com
ns-cloud-c4.googledomains.com
ns-cloud-c2.googledomains.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:mail.zendesk.com include:21744766.spf06.hubspotemail.net include:_spf.google.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected],mailto:[email protected]; sp=none; aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._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
11 records- google-site-verification=U_dJTE86SWAcb6LrSkGutTiufm1hJWMppfQFZ1kZsds
- ZOOM_verify_5Kw8ygrzuIy0ZHrVAHPrSs
- hubspot-domain-verification=OTExYzA4MGYtOTQzYS00NjdlLWI2ZWEtMWFkMGRmMzlhZGNj
- google-site-verification=exuql4GlTVQ5iwYvBB_l3ZUiYXrGgSem8CWx0yC9zyI
- SPFv=spf1 include:mail.zendesk.com include:21744766.spf06.hubspotemail.net include:_spf.google.com ~all
- docker-verification=24fe39cc-0b16-49a3-aa32-53f610f8cb0b
- MS=ms37278482
- cisco-ci-domain-verification=1b9139a5ca723ec7dd7d2d19e677d3a2b1d72fe51fcd648940f346f154588022
- atlassian-domain-verification=kPw2VJJvkxUcTVRoO4FJJDi1/cFjRAMvkCjopQZq2EfQLFdbsHtZrkv1bqAAzJjs
- canva-site-verification=JIwXjY4dAs00GMy03JNOLg
- docusign=e2fcba6b-4489-4d62-8725-275149c6a0d0
Full email verification for chainguard.dev
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