join.dev.slack.com - robtex.com
join.dev.slack.com
| CNAME | dev.slack.com | ||||||
| DNSSEC | β οΈ Not signed | ||||||
| A | 3.217.81.76πΊπΈ Amazon3.208.0.0/12 EC2 IAD prefix | ||||||
| PTR | ec2-3-217-81-76.compute-1.amazonaws.com | ||||||
| A | 50.16.84.201πΊπΈ Amazon50.16.0.0/16 EC2 IAD prefix | ||||||
| A | 54.204.100.241πΊπΈ Amazon54.204.0.0/15 EC2 IAD Prefix | ||||||
| MX | inbound-smtp.us-east-1.amazonaws.com β | ||||||
| A | 3.211.210.226πΊπΈ Amazon3.208.0.0/12 EC2 IAD prefix | ||||||
| PTR | ec2-3-211-210-226.compute-1.amazonaws.com | ||||||
| A | 44.206.9.87πΊπΈ Amazon44.192.0.0/11 EC2 IAD prefix | ||||||
| PTR | ec2-44-206-9-87.compute-1.amazonaws.com | ||||||
| A | 44.210.166.32πΊπΈ Amazon44.192.0.0/11 EC2 IAD prefix | ||||||
| PTR | ec2-44-210-166-32.compute-1.amazonaws.com | ||||||
| A | 54.164.173.191πΊπΈ Amazon54.164.0.0/15 EC2 IAD prefix | ||||||
| PTR | ec2-54-164-173-191.compute-1.amazonaws.com | ||||||
| A | 54.197.5.236πΊπΈ Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15 | ||||||
| PTR | ec2-54-197-5-236.compute-1.amazonaws.com | ||||||
| TXT | google-site-verification=u1SqTDXzeM4fMNOVnGYbYLYoxrXqTsAFIb7iLX9lMAw | ||||||
| TXT | v=spf1 include:amazonses.com ~all | ||||||
dev.slack.com
| DNSSEC | β οΈ Not signed | ||||||
| A | 3.217.81.76πΊπΈ Amazon3.208.0.0/12 EC2 IAD prefix | ||||||
| A | 50.16.84.201πΊπΈ Amazon50.16.0.0/16 EC2 IAD prefix | ||||||
| A | 54.204.100.241πΊπΈ Amazon54.204.0.0/15 EC2 IAD Prefix | ||||||
| MX | inbound-smtp.us-east-1.amazonaws.com β | ||||||
| TXT | google-site-verification=u1SqTDXzeM4fMNOVnGYbYLYoxrXqTsAFIb7iLX9lMAw | ||||||
| TXT | v=spf1 include:amazonses.com ~all | ||||||
WOT: SAFE (93/100)
Same first word
Similar names
DNS History
12 records (1 active, 11 former)
βMXmxa.mailgun.org2017-05-07 β 2017-05-07 Β· 2 obs
β 2026-03-19 08:17:24
βMXmxb.mailgun.org2017-05-07 β 2017-05-07 Β· 2 obs
β 2026-03-19 08:17:24
βA52.84.178.2042017-05-07 β 2017-05-07 Β· 2 obs
β 2026-03-19 08:17:24
βA52.84.19.1792017-05-07 β 2017-05-07 Β· 2 obs
β 2026-03-19 08:17:24
βA52.85.71.732017-05-07 β 2017-05-07 Β· 2 obs
β 2026-03-19 08:17:24
βA54.192.111.1922017-05-07 β 2017-05-07 Β· 2 obs
β 2026-03-19 08:17:24
βA54.192.146.1102017-05-07 β 2017-05-07 Β· 2 obs
β 2026-03-19 08:17:24
βA54.192.30.1792017-05-07 β 2017-05-07 Β· 2 obs
β 2026-03-19 08:17:24
βA54.230.17.1442017-05-07 β 2017-05-07 Β· 2 obs
β 2026-03-19 08:17:24
βA54.230.240.102017-05-07 β 2017-05-07 Β· 2 obs
β 2026-03-19 08:17:24
βA54.240.168.1992017-05-07 β 2017-05-07 Β· 2 obs
β 2026-03-19 08:17:24
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| slack.com | ns-166.awsdns-20.com, ns-606.awsdns-11.net, ns-1901.awsdns-45.co.uk, ns-1493.awsdns-58.org | 1 record |
| slack.com | ns-1493.awsdns-58.org, ns-166.awsdns-20.com, ns-1901.awsdns-45.co.uk, ns-606.awsdns-11.net | - |
| slack.com | ns-1493.awsdns-58.org, ns-166.awsdns-20.com, ns-1901.awsdns-45.co.uk, ns-606.awsdns-11.net | - |
| slack.com | ns-1493.awsdns-58.org, ns-166.awsdns-20.com, ns-1901.awsdns-45.co.uk, ns-606.awsdns-11.net | - |
| slack.com | ns-1493.awsdns-58.org, ns-166.awsdns-20.com, ns-1901.awsdns-45.co.uk, ns-606.awsdns-11.net | - |
| slack.com | ns-1493.awsdns-58.org, ns-166.awsdns-20.com, ns-1901.awsdns-45.co.uk, ns-606.awsdns-11.net | - |
| slack.com | ns-1493.awsdns-58.org, ns-166.awsdns-20.com, ns-1901.awsdns-45.co.uk, ns-606.awsdns-11.net | - |
| slack.com | ns-1493.awsdns-58.org, ns-166.awsdns-20.com, ns-1901.awsdns-45.co.uk, ns-606.awsdns-11.net | - |
| slack.com | ns-1493.awsdns-58.org, ns-166.awsdns-20.com, ns-1901.awsdns-45.co.uk, ns-606.awsdns-11.net | - |
| slack.com | ns-1493.awsdns-58.org, ns-166.awsdns-20.com, ns-1901.awsdns-45.co.uk, ns-606.awsdns-11.net | - |
| slack.com | ns-1493.awsdns-58.org, ns-166.awsdns-20.com, ns-1901.awsdns-45.co.uk, ns-606.awsdns-11.net | - |
| slack.com | ns-1493.awsdns-58.org, ns-166.awsdns-20.com, ns-1901.awsdns-45.co.uk, ns-606.awsdns-11.net | - |
| slack.com | ns-1493.awsdns-58.org, ns-166.awsdns-20.com, ns-1901.awsdns-45.co.uk, ns-606.awsdns-11.net | - |
| slack.com | ns-1493.awsdns-58.org, ns-166.awsdns-20.com, ns-1901.awsdns-45.co.uk, ns-606.awsdns-11.net | - |
| slack.com | ns-1493.awsdns-58.org, ns-166.awsdns-20.com, ns-1901.awsdns-45.co.uk, ns-606.awsdns-11.net | - |
| slack.com | ns-1493.awsdns-58.org, ns-166.awsdns-20.com, ns-1901.awsdns-45.co.uk, ns-606.awsdns-11.net | - |
| slack.com | ns-1493.awsdns-58.org, ns-166.awsdns-20.com, ns-1901.awsdns-45.co.uk, ns-606.awsdns-11.net | - |
| slack.com | ns-1493.awsdns-58.org, ns-166.awsdns-20.com, ns-1901.awsdns-45.co.uk, ns-606.awsdns-11.net | - |
| slack.com | ns-1493.awsdns-58.org, ns-166.awsdns-20.com, ns-1901.awsdns-45.co.uk, ns-606.awsdns-11.net | - |
| slack.com | ns-1493.awsdns-58.org, ns-166.awsdns-20.com, ns-1901.awsdns-45.co.uk, ns-606.awsdns-11.net | - |
β Authoritative Response
Server: 205.251.194.94
NS records: ns-1493.awsdns-58.org, ns-166.awsdns-20.com, ns-1901.awsdns-45.co.uk, ns-606.awsdns-11.net
π DNSSEC Status
π Secure (DNSSEC validated)
Chain of trust verified from root to domain
β±οΈ Timing
Total: 1277ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | dev.slack.com |
π Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-166.awsdns-20.com)
Analysis
IP Addresses
join.dev.slack.com points to three IP numbers: 3.217.81.76, 50.16.84.201 and 54.204.100.241.
Other host names such as ec2-54-204-100-241.compute-1.amazonaws.com, qa.slack.com, ec2-3-217-81-76.compute-1.amazonaws.com and ec2-50-16-84-201.compute-1.amazonaws.com share IP numbers with join.dev.slack.com.
Mail Servers
join.dev.slack.com is handled by a single mail server, inbound-smtp.us-east-1.amazonaws.com.
join.dev.slack.com shares its mail server setup with other domains, including auditservices.slack.com, fsg-resources.com, spectus.us, meganoche.com and has.slack.com.
The mail servers for join.dev.slack.com are shared with other domains, for instance accountfinxera.atlassian.net, softubon.com, fde.atlassian.net, fortium.atlassian.net and midfirst.atlassian.net.
These mail servers are commonly used with inbound-smtp.us-west-2.amazonaws.com, aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
inbound-smtp.us-east-1.amazonaws.com points 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.