Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
isaac.com.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 23:09:26 UTC · ↺ Refresh
MX Hostnames
- alt2.aspmx.l.google.com
- alt3.aspmx.l.google.com
- aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt1.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
- 198.202.211.1
- 2620:cb:2000::1
Mail Server IPs
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 142.251.163.27 ↩ wv-in-f27.1e100.net
- 2607:f8b0:4004:c07::1a ↩ bc-in-f26.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
SOA Record
Raw SOA
erin.ns.cloudflare.com dns.cloudflare.com 2399948958 10000 2400 604800 1800
Primary NS (mname)
erin.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399948958
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
erin.ns.cloudflare.com
noah.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:sendgrid.net include:amazonses.com include:cust-spf.exacttarget.com include:20646345.spf03.hubspotemail.net -all ip4:149.72.87.191 ip4:149.72.90.239 ip4:149.72.89.237 ip4:149.72.88.241 ip4:168.245.116.95 ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=reject; pct=100; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected];aspf=r;adkim=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
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
15 records- MS=ms24177328
- anthropic-domain-verification-99w56n=MYLuZ39cdSIMvPUZUxRhKzqrG
- miro-verification=d16a7ebc7099a500caa10862e30216aba32e5a5e
- google-site-verification=hM9NO3Bj3bYdJ4kjRAGVpOTkLu7bfhTQfI2pxKkbmho
- SPFv=spf1 include:_spf.google.com include:sendgrid.net include:amazonses.com include:cust-spf.exacttarget.com include:20646345.spf03.hubspotemail.net -all ip4:149.72.87.191 ip4:149.72.90.239 ip4:149.72.89.237 ip4:149.72.88.241 ip4:168.245.116.95 ~all
- apple-domain-verification=OQ1GufcDMKT8rRQj
- ZAC900112217
- wiz-domain-verification=e4e5d54b5c3f6c69150a6c28b6cbe16c375beb1da9490778e46687e4a9c45162
- knowbe4-site-verification=2f3d5bc75e55e2b4290202d72e3599e4
- google-site-verification=5gJLQw1QxrAXIqfPL5GrwcYy99r-6l47fjYIO0Cx8I0
- google-site-verification=7Ka0siCQko6AMZAazdKT2GzN8b85qhM0b5s6Hhgdw_s
- google-site-verification=nGC0bZfxH2_f_sFSpytmkXuHUqvZt_ZkB82e-kHiBfw
- google-site-verification=IV9m8cXF7zf-ISC1B4JhT-S3Iq8QfFSdMVaLrdbUDLM
- google-site-verification=7sxveTrrmZCcUHOI52K9iB8srWBEx_Vw1RH1CS01wY4
- zscaler-verification-133327181-5272025-fwOyTy
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