Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
vulcanet.com.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 19:36:37 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt3.aspmx.l.google.com
- aspmx.l.google.com
MX Priorities
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
A / AAAA Records
- 15.204.149.145
Mail Server IPs
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 142.251.163.27 ↩ wv-in-f27.1e100.net
- 2607:f8b0:4004:c0b::1b ↩ bj-in-f27.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
SOA Record
Raw SOA
coco.ns.cloudflare.com dns.cloudflare.com 2399756947 10000 2400 604800 1800
Primary NS (mname)
coco.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399756947
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
gabe.ns.cloudflare.com
coco.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx mx:vulcanet.com.br include:_spf.google.com include:sendgrid.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=s; aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
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
7 records- google-site-verification=HXAcRSM2slGg92iZzjbe2NajG0CTVO3Ddopo-enfJYw
- google-site-verification=btd087YcaeLN_GDQlGWENN2X6_U0AbDGfIKs-KiyKEI
- google-site-verification=i6RXQ6d-UkmKTxedpNQ6maq4RDj153kA7JggoxQaLA4
- hubspot-developer-verification=ZTIwNGVmODItZTk4Ny00NWQyLTk3NDYtMjI2NzQ3NGIwMDFm
- SPFv=spf1 mx mx:vulcanet.com.br include:_spf.google.com include:sendgrid.net -all
- facebook-domain-verification=zp99p6x48ir95hc6lgw25e2gb9f2vx
- google-site-verification=B573F0C1u3vSVjdV4_wDaSWoNeMXWGr2mhA7zqvhk5o
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