Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
constructin.com.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 06:07:08 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- alt3.aspmx.l.google.com
- aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt2.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
- 52.223.52.2
Mail Server IPs
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 172.253.62.27 ↩ bc-in-f27.1e100.net
- 2607:f8b0:4004:c27::1b ↩ yuiadsk-in-f27.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
SOA Record
Raw SOA
ns-1403.awsdns-47.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1403.awsdns-47.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-953.awsdns-55.net
ns-1403.awsdns-47.org
ns-168.awsdns-21.com
ns-1971.awsdns-54.co.uk
SPF Record
✓ Soft Fail (~all)
v=spf1 include:amazonses.com include:_spf.google.com include:_spf.rdstation.com.br include:sendgrid.net include:_spf.psm.knowbe4.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected],mailto:[email protected]; fo=1; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._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
8 records- google-site-verification=paG-weTNn72IPUPS25iOrhC6GPFB0f_Luej5-DeAU4U
- SPFv=spf1 include:amazonses.com include:_spf.google.com include:_spf.rdstation.com.br include:sendgrid.net include:_spf.psm.knowbe4.com ~all
- cursor-domain-verification-x86bhj=CPDeDkHrA6ggEj0hk7s0Hp8E6
- facebook-domain-verification=p3h1h8po1ucionv1abiuoq6fsh4xal
- google-site-verification=-nSsMV8rZ76g6JfTHyDqHjHmmiRHzk9KDN4nz8Hx0q0
- google-site-verification=KVgCR_FYkErcRyXwPfUnkUxdhkQmSgLA9sQh5DeE2EU
- google-site-verification=VPsrs3sTIfAeV5g07dq2S6E5cMZVc94m3SLvbhqPBA8
- google-site-verification=iRE4ls5w0MKkum9UEZJVOX4e36XGbK8mXWFJGV53UZ8
Full email verification for constructin.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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