knowbe4.work - robtex.com
knowbe4.work
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1-01.azure-dns.com ⭐ | ||||||
| A | 2603:1061:0:700::1🇺🇸 Microsoft2603:1000::/25 MICROSOFT | ||||||
| PTR | ns1-01.azure-dns.com | ||||||
| A | 13.107.236.1🇺🇸 Microsoft13.104.0.0/14 MICROSOFT | ||||||
| PTR | ns1-01.azure-dns.com | ||||||
| NS | ns2-01.azure-dns.net | ||||||
| A | 2620:1ec:8ec:700::1🇺🇸 Microsoft2620:1ec::/36 MICROSOFT | ||||||
| PTR | ns2-01.azure-dns.net | ||||||
| A | 150.171.21.1🇺🇸 Microsoft150.171.0.0/16 MICROSOFT | ||||||
| NS | ns3-01.azure-dns.org | ||||||
| A | 2a01:111:4000:700::1🇬🇧 Microsoft2a01:111:4000::/36 | ||||||
| PTR | ns3-01.azure-dns.org | ||||||
| A | 204.14.183.1🇺🇸 Microsoft204.14.180.0/22 | ||||||
| PTR | ns3-01.azure-dns.org | ||||||
| NS | ns4-01.azure-dns.info | ||||||
| A | 2620:1ec:bda:700::1🇺🇸 Microsoft2620:1ec::/36 MICROSOFT | ||||||
| PTR | ns4-01.azure-dns.info | ||||||
| A | 208.84.5.1🇺🇸 Microsoft208.84.0.0/21 MICROSOFT | ||||||
| PTR | ns4-01.azure-dns.info | ||||||
| MX | mxa.mailgun.org ⭐ | ||||||
| A | 34.149.254.5🇺🇸 Google34.148.0.0/14 | ||||||
| PTR | 5.254.149.34.bc.googleusercontent.com | ||||||
| MX | mxb.mailgun.org ⭐ | ||||||
| A | 34.149.254.5🇺🇸 Google34.148.0.0/14 | ||||||
| PTR | 5.254.149.34.bc.googleusercontent.com | ||||||
| TXT | v=spf1 include:mailgun.org ~all | ||||||
| SOA | ns1-01.azure-dns.comazuredns-hostmaster@microsoft.com serial=1 | ||||||
work
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.work ⭐ | ||||||
| NS | b.nic.work | ||||||
| NS | c.nic.work | ||||||
| NS | x.nic.work | ||||||
| NS | y.nic.work | ||||||
| NS | z.nic.work | ||||||
| SOA | a.nic.workadmin@tldns.godaddy serial=1785856425 | ||||||
⚠️ On DNS blocklist: spam-tlds
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
○NSns03.domaincontrol.com2026-05-07 → 2026-05-07 · 3 obs
○ 2026-08-02 09:16:18
○ 2026-08-04 15:16:56
○NSns04.domaincontrol.com2026-05-07 → 2026-05-07 · 3 obs
○ 2026-08-02 09:16:18
○ 2026-08-04 15:16:56
●NSns1-01.azure-dns.com2026-08-02 → 2026-08-04 · 3 obs
● 2026-08-02 09:16:18
● 2026-08-04 15:16:56
●NSns2-01.azure-dns.net2026-08-02 → 2026-08-04 · 3 obs
● 2026-08-02 09:16:18
● 2026-08-04 15:16:56
●NSns3-01.azure-dns.org2026-08-02 → 2026-08-04 · 3 obs
● 2026-08-02 09:16:18
● 2026-08-04 15:16:56
●NSns4-01.azure-dns.info2026-08-02 → 2026-08-04 · 3 obs
● 2026-08-02 09:16:18
● 2026-08-04 15:16:56
●MXmxa.mailgun.org2026-08-02 → 2026-08-04 · 2 obs
● 2026-08-04 15:16:56
●MXmxb.mailgun.org2026-08-02 → 2026-08-04 · 2 obs
● 2026-08-04 15:16:56
○A15.197.148.332026-05-07 → 2026-05-07 · 3 obs
○ 2026-08-02 09:16:18
○ 2026-08-04 15:16:56
○A3.33.130.1902026-05-07 → 2026-05-07 · 3 obs
○ 2026-08-02 09:16:18
○ 2026-08-04 15:16:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| work | b.nic.work, x.nic.work, z.nic.work, c.nic.work... | 12 records |
| knowbe4.work | ns3-01.azure-dns.org, ns2-01.azure-dns.net, ns1-01.azure-dns.com, ns4-01.azure-dns.info | - |
✅ Authoritative Response
Server:204.14.183.1
NS records: ns3-01.azure-dns.org, ns2-01.azure-dns.net, ns1-01.azure-dns.com, ns4-01.azure-dns.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knowbe4.work (unsigned zone)
⏱️ Timing
Total: 792ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1-01.azure-dns.com, ns2-01.azure-dns.net... |
| MX | 2 | mxa.mailgun.org (pri: 10), mxb.mailgun.org (pri: 10) |
| TXT | 1 | v=spf1 include:mailgun.org ~all |
| SOA | 1 | ns1-01.azure-dns.com azuredns-hostmaster |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (b.nic.work, b.nic.work, x.nic.work...)
Analysis
Name Servers
knowbe4.work has four authoritative name servers: ns1-01.azure-dns.com, ns4-01.azure-dns.info, ns2-01.azure-dns.net and ns3-01.azure-dns.org.
knowbe4.work shares at least some of its name servers with other domains, including 238.16.182.in-addr.arpa, hs-au.com.au, 80min.net and two others.
The host names ns1-01.azure-dns.com, ns4-01.azure-dns.info, ns2-01.azure-dns.net and ns3-01.azure-dns.org each resolve to two IP addresses: ns1-01.azure-dns.com resolves to 13.107.236.1 and 2603:1061:0:700::1; ns4-01.azure-dns.info resolves to 208.84.5.1 and 2620:1ec:bda:700::1; ns2-01.azure-dns.net resolves to 150.171.21.1 and 2620:1ec:8ec:700::1; ns3-01.azure-dns.org resolves to 204.14.183.1 and 2a01:111:4000:700::1.
Mail Servers
knowbe4.work has two mail servers: mxa.mailgun.org and mxb.mailgun.org.
knowbe4.work shares the same mail server setup as other domains, including akudaikan.com, healthdate.com, clangsoul.com and two others.
knowbe4.work shares mail servers — at least in part — with other domains, including retireease.com, wonderflow.co, slemma.com and two others.
Each of mxa.mailgun.org and mxb.mailgun.org points to exactly one IP address: 34.149.254.5.
mxa.mailgun.org and mxb.mailgun.org each have 34.149.254.5 IP addresses.