Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nubank.com.br
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 09:31:51 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx.l.google.com
- alt2.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
- 13.33.252.63
- 13.33.252.52
- 13.33.252.36
- 13.33.252.102
Mail Server IPs
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.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
- 64.233.180.27 ↩ pe-in-f27.1e100.net
- 2607:f8b0:4004:c08::1a ↩ bi-in-f26.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
SOA Record
Raw SOA
ns-340.awsdns-42.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-340.awsdns-42.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1460.awsdns-54.org
ns-1569.awsdns-04.co.uk
ns-340.awsdns-42.com
ns-736.awsdns-28.net
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.nubank.com.br include:49129220.spf05.hubspotemail.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 4 found
google._domainkey
k1._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
29 records- bw=RKeHX8kpCnGh1MUvbxXrnb7DkwnyOEzGPfbFsoFgFPyI
- mongodb-site-verification=n3aFwxOu7WKHdsMbwcEB0T21BHove744
- tac=0.MEUCIQC3R29b12vh4nNI8wO1O4xvtBqkIqs9Y2DotCafltyCpQIgFtsL2AxZ1ZSSKkxqmL2XWLHz9WB3VMC4LgQWLbcdt1M=
- postman-domain-verification=61240a3723a0ab702d8b13193afa515f59485b0f9f8f323b17a119560e8fb0231a0c52229ce5a51da5a884ed851844da4ff024af99395e50e763f268b4f6b52e
- SPFv=spf1 include:_spf.nubank.com.br include:49129220.spf05.hubspotemail.net -all
- apple-domain-verification=NNGzWQ_OTl52kMeodYTIvWwHjRA286418b7sEHq8ZKE
- adobe-idp-site-verification=2dee39e70bd413767a505a950bdba1f62123c41f1c12116eb09749620a4e2206
- anthropic-domain-verification-kgjwk6=LGq7352dVfGTWW01SwDoUwKWH
- slack-domain-verification=bpjapX4qSRxNMqOsvPXK4o095AxC3GJRhXlXJbIV
- openai-domain-verification=dv-IafVD1O2ZGAfFYVXtCuMr1JU
- dtm-domain-verification=-5ob8ewQfdaMHxzCH8q2J-6-vZLln-O7V90cxjxq3FU
- _globalsign-domain-verification=3yVViME4ns2Qo4ZmvqAgQAXbhTto8nO9WLYjFvC1XJ
- bitrise-verification=9c87c59eeb40f778-mCrHHIek8MDI
- docker-verification=7cf8788c-5045-4c7c-aaaf-e4cb15d44856
- miro-verification=d1eb2dfdb8a5636ac73e3530a41f8a9c30046d9a
- apple-domain-verification=54GVXafijpwzYvyT
- cursor-domain-verification-j03a5g=FbcYWX0NlPwbXlEDe9zvNBuaj
- atlassian-domain-verification=4XxGBGTEV+Y0cYEcmdcVTnx3NPLBFSa+199MiTHvilyYH162ge7A3F4Vydl0/YYt
- MS=ms84751479
- _globalsign-domain-verification=QadbaC0E_WDSlUaXnQ1NtPBsiNbpNGbrMVoQo7kNCH
- h1-domain-verification=RKapM1RPuSf4gMSsqC7usvALh69nBbTtzbYqbyTMU7CwShg8
- mongodb-site-verification=I6PLZURjjuG3G2JAEnh4MTLyyViv4Qyx
- facebook-domain-verification=vfwggo8uik9iuv2x26k4a8t4cqr988
- twilio-domain-verification=042ec0d789125d878d0565f7d0653057
- mgverify=5a90ff535b3933a16d9c43a4a51e2ae23432c1e94c226f51d1c0dea6f605c32b
- bw=+xcRit0vy9dmOdEQvjfimzdxnU9KKd70TlGioxRoobFR
- google-site-verification=7EVB5Wl3OtqzYVg8VQn-7aDuHZIti_dS6uunQCQDjLk
- 4CcmptAv6Sy+YNB6HcptROTycd8QMFaS3mo4oK2qwUU=
- mongodb-site-verification=mJwTZ6mlDYcejScPIvidy80HE50DsUyZ
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