Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sis.us
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 16:12:54 UTC · ↺ Refresh
MX Hostnames
- aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
MX Priorities
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- aspmx.l.google.com: 0
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
A / AAAA Records
- 52.34.247.217
Mail Server IPs
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
- 172.253.63.26 ↩ bi-in-f26.1e100.net
- 2607:f8b0:4004:c08::1a ↩ bi-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
SOA Record
Raw SOA
pdns01.domaincontrol.com dns.jomax.net 2026032303 28800 7200 604800 3600
Primary NS (mname)
pdns01.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026032303
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
pdns02.domaincontrol.com
pdns01.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:mailgun.org include:spf1.formassembly.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; pct=20; ri=86400
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
⚠ Policy applies to 20% of failing messages only
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 216 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
7 records- SPFv=spf1 include:_spf.google.com include:mailgun.org include:spf1.formassembly.com ~all
- google-site-verification=tTuIOJO5Regv4xHg466duymewdJhapEQLqwZrP8rzr0
- ZOOM_verify_GuukE9r8cseYpjeH9d2SYO
- DKIMv=DKIM1; h=sha256; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA455i26hjZtPvAzu7Bvl0PXYR2lkrjWGSLuKzaKAIp278Jncyf6/9gL0Mz4O+hI64CHkgwDsinoVK5j8JBRj807QTXuA1p+O32LN+Eqmln9zL7EuAhMBLgrVCPdG2A93CEKTeToMfuZIbn3walD8/l8uaSTOQoKpHCIN863+mS2i3SpfxV/T4z9vW3YGFA8ab8IX0zrvvSRBuYrk9YtJ33bp6IwZ5MDm82cuC3OP4JpDAMdg4/+2+iLJm+slVRtB8vut5hmRao6L2ulsAK3Tj+VVbeABfvkCZ0mELq9+T8ODThAFGhpklz1nzGfyhzMBGrbFN91ZyxY4T9f/vO+xNBQIDAQAB
- apple-domain-verification=RO4ft4Fbs9jfquHk
- airtable-verification=37ff5e2d60d3d4299aa09add48d368cc
- google-site-verification=gdUcmUlwRmZg3GGHe9PyF5mLPXD-FxOoThNR7dsbMpM
Full email verification for sis.us
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