doublecheck.com.br - robtex.com
doublecheck.com.br
com.br
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.br ⭐ ⚠️ Not in parent delegation 🔒 | ||||||
| NS | b.dns.br ⚠️ Not in parent delegation 🔒 | ||||||
| NS | c.dns.br ⚠️ Not in parent delegation 🔒 | ||||||
| NS | d.dns.br ⚠️ Not in parent delegation 🔒 | ||||||
| NS | e.dns.br ⚠️ Not in parent delegation 🔒 | ||||||
| NS | f.dns.br ⚠️ Not in parent delegation 🔒 | ||||||
| SOA | a.dns.brhostmaster@registro.br serial=2026048032 | ||||||
rank #4036 in the tld
WOT: SAFE (69/100)
Same first word
Similar names
DNS History
9 records (9 active, 0 former)
●NSns-1267.awsdns-30.org2026-02-20 → 2026-02-20 · 2 obs
● 2026-02-20 16:53:42
●NSns-159.awsdns-19.com2026-02-20 → 2026-02-20 · 2 obs
● 2026-02-20 16:53:42
●NSns-1623.awsdns-10.co.uk2026-02-20 → 2026-02-20 · 2 obs
● 2026-02-20 16:53:42
●NSns-752.awsdns-30.net2026-02-20 → 2026-02-20 · 2 obs
● 2026-02-20 16:53:42
●MXinbound-smtp.us-east-1.amazonaws.com2026-02-20 → 2026-02-20 · 2 obs
● 2026-02-20 16:53:42
●A3.170.19.1082026-02-20 → 2026-02-20 · 2 obs
● 2026-02-20 16:53:42
●A3.170.19.1172026-02-20 → 2026-02-20 · 2 obs
● 2026-02-20 16:53:42
●A3.170.19.802026-02-20 → 2026-02-20 · 2 obs
● 2026-02-20 16:53:42
●A3.170.19.902026-02-20 → 2026-02-20 · 2 obs
● 2026-02-20 16:53:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | e.dns.br, d.dns.br, c.dns.br, a.dns.br... | - |
| doublecheck.com.br | ns-752.awsdns-30.net, ns-159.awsdns-19.com, ns-1623.awsdns-10.co.uk, ns-1267.awsdns-30.org | - |
✅ Authoritative Response
Server: 205.251.194.240
NS records: ns-752.awsdns-30.net, ns-159.awsdns-19.com, ns-1623.awsdns-10.co.uk, ns-1267.awsdns-30.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for doublecheck.com.br (unsigned zone)
⏱️ Timing
Total: 781ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 3.170.19.90, 3.170.19.117... |
| NS | 4 | ns-1267.awsdns-30.org, ns-159.awsdns-19.com... |
| MX | 1 | inbound-smtp.us-east-1.amazonaws.com (pr |
| TXT | 1 | v=spf1 include:amazonses.com include:mai |
| SOA | 1 | ns-752.awsdns-30.net awsdns-hostmaster.a |
AI analysis
doublecheck.com.br points to four IP numbers: 3.170.19.80, 3.170.19.90, 3.170.19.108 and 3.170.19.117.
Other host names, for instance 91056.measurementapi.com, amsterdamtradebank.com, 179.measurementapi.com, vancompare.com and soccernike.com share IP numbers with doublecheck.com.br.
doublecheck.com.br is delegated to four name servers: ns-159.awsdns-19.com, ns-752.awsdns-30.net, ns-1267.awsdns-30.org and ns-1623.awsdns-10.co.uk.
doublecheck.com.br at least partially shares its name servers with other domains, for instance 384084d3b-frontier.amazon.com, 107.135.18.in-addr.arpa, shingenhf.com, t2o.com and application-stats.com.
these name servers are commonly used together with ns1-24-eu-west-2.ec2-rdns.amazonaws.com, ns2-24-eu-west-2.ec2-rdns.amazonaws.com, ns3-24-eu-west-2.ec2-rdns.amazonaws.com and ns4-24-eu-west-2.ec2-rdns.amazonaws.com.
Host names with two IPs: ns-159.awsdns-19.com points to 2600:9000:5300:9f00::1 and 205.251.192.159; ns-752.awsdns-30.net points to 2600:9000:5302:f000::1 and 205.251.194.240; ns-1267.awsdns-30.org points to 2600:9000:5304:f300::1 and 205.251.196.243; ns-1623.awsdns-10.co.uk points to 2600:9000:5306:5700::1 and 205.251.198.87.
doublecheck.com.br is served by a single mail server, inbound-smtp.us-east-1.amazonaws.com.
doublecheck.com.br uses the same mail server setup as other domains such as bottomline.slack.com, redbulleditorial.slack.com, osakahibachithomasville.com, creat1veatwork.slack.com and digitalprofitz.slack.com.
doublecheck.com.br shares some mail servers with other domains, including qualibrate.atlassian.net, linksystems.atlassian.net, telematel.atlassian.net, audioborn.atlassian.net and rambase.atlassian.net.
these mail servers are often used alongside the mail servers inbound-smtp.us-west-2.amazonaws.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
Host inbound-smtp.us-east-1.amazonaws.com resolves to five IP numbers: 3.211.210.226, 44.206.9.87, 44.210.166.32, 54.164.173.191 and 54.197.5.236.