back.engineering - robtex.com
back.engineering
engineering
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.engineering ⭐ | ||||||
| NS | v0n1.nic.engineering | ||||||
| NS | v0n2.nic.engineering | ||||||
| NS | v0n3.nic.engineering | ||||||
| NS | v2n0.nic.engineering | ||||||
| NS | v2n1.nic.engineering | ||||||
| SOA | v0n0.nic.engineeringhostmaster@donuts.email serial=1776971140 | ||||||
Same first word
Similar names
DNS History
15 records (9 active, 6 former)
●NSmemphis.ns.cloudflare.com2026-02-21 → 2026-04-23 · 2 obs
● 2026-04-23 19:25:26
●NSveronica.ns.cloudflare.com2026-02-21 → 2026-04-23 · 2 obs
● 2026-04-23 19:25:26
●MXalt2.aspmx.l.google.com2026-02-21 → 2026-04-23 · 2 obs
● 2026-04-23 19:25:26
●MXalt4.aspmx.l.google.com2026-02-21 → 2026-04-23 · 2 obs
● 2026-04-23 19:25:26
●MXaspmx.l.google.com2026-02-21 → 2026-04-23 · 2 obs
● 2026-04-23 19:25:26
●A104.21.82.252026-03-27 → 2026-04-23 · 5 obs
● 2026-03-27 16:24:06
○ 2026-03-31 04:28:14
● 2026-04-09 13:02:18
● 2026-04-23 19:25:26
○A172.64.80.12026-02-21 → 2026-04-23 · 2 obs
○ 2026-04-23 19:25:26
●A172.67.151.932026-03-27 → 2026-04-23 · 5 obs
● 2026-03-27 16:24:06
○ 2026-03-31 04:28:14
● 2026-04-09 13:02:18
● 2026-04-23 19:25:26
○A188.114.96.02026-02-21 → 2026-03-31 · 5 obs
○ 2026-03-27 16:24:06
● 2026-03-31 04:28:14
○ 2026-04-09 13:02:18
○ 2026-04-23 19:25:26
○A188.114.97.02026-02-21 → 2026-03-31 · 5 obs
○ 2026-03-27 16:24:06
● 2026-03-31 04:28:14
○ 2026-04-09 13:02:18
○ 2026-04-23 19:25:26
○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-21 → 2026-04-23 · 2 obs
○ 2026-04-23 19:25:26
●A2606:4700:3035::6815:52192026-03-27 → 2026-04-23 · 5 obs
● 2026-03-27 16:24:06
○ 2026-03-31 04:28:14
● 2026-04-09 13:02:18
● 2026-04-23 19:25:26
●A2606:4700:3036::ac43:975d2026-03-27 → 2026-04-23 · 5 obs
● 2026-03-27 16:24:06
○ 2026-03-31 04:28:14
● 2026-04-09 13:02:18
● 2026-04-23 19:25:26
○A2a06:98c1:3120::2026-02-21 → 2026-03-31 · 5 obs
○ 2026-03-27 16:24:06
● 2026-03-31 04:28:14
○ 2026-04-09 13:02:18
○ 2026-04-23 19:25:26
○A2a06:98c1:3121::2026-02-21 → 2026-03-31 · 5 obs
○ 2026-03-27 16:24:06
● 2026-03-31 04:28:14
○ 2026-04-09 13:02:18
○ 2026-04-23 19:25:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| engineering | v2n1.nic.engineering, v0n3.nic.engineering, v0n1.nic.engineering, v0n0.nic.engineering... | 12 records |
| back.engineering | memphis.ns.cloudflare.com, veronica.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.34.173
NS records: memphis.ns.cloudflare.com, veronica.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for back.engineering (unsigned zone)
⏱️ Timing
Total: 466ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.151.93, 104.21.82.25 |
| AAAA | 2 | 2606:4700:3035::6815:5219, 2606:4700:3036::ac43:975d |
| NS | 2 | memphis.ns.cloudflare.com, veronica.ns.cloudflare.com |
| MX | 3 | aspmx.l.google.com (pri: 1), alt4.aspmx.l.google.com (pri: 10)... |
| TXT | 1 | google-site-verification=QFVanmps5d2gA1j |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | memphis.ns.cloudflare.com dns.cloudflare |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v2n1.nic.engineering, v2n0.nic.engineering, v0n3.nic.engineering...)
Analysis
IP Addresses
back.engineering resolves to four IPs: 2606:4700:3035::6815:5219, 2606:4700:3036::ac43:975d, 104.21.82.25 and 172.67.151.93.
Other host names, for instance ufabet.cologne, deja.bg, www.pdmusic.org.cdn.cloudflare.net, ciese.org and kopi4dwala.com share IP numbers with back.engineering.
Name Servers
back.engineering has two name servers: memphis.ns.cloudflare.com and veronica.ns.cloudflare.com.
back.engineering shares the same name server setup as other domains, for example freegoogleai.top, ambassen.dk, demoprise.com, perthgreenmrc.org and tabakstore.de.
back.engineering shares some name servers with other domains, for example smilestudio.com, musicgearcenter.com, softs32.com, cdshenke.com and space.cat.
These name servers are commonly used together with venus.ns.cloudflare.com and coleman.ns.cloudflare.com.
Host names with six IP numbers: memphis.ns.cloudflare.com points to: 2606:4700:58::a29f:2cbd, 2803:f800:50::6ca2:c3bd, 2a06:98c1:50::ac40:23bd, 108.162.195.189, 162.159.44.189 and 172.64.35.189; veronica.ns.cloudflare.com points to: 2606:4700:50::a29f:26ad, 2803:f800:50::6ca2:c2ad, 2a06:98c1:50::ac40:22ad, 108.162.194.173, 162.159.38.173 and 172.64.34.173.
Mail Servers
back.engineering is handled by three mail servers: aspmx.l.google.com, alt2.aspmx.l.google.com and alt4.aspmx.l.google.com.
back.engineering shares some mail servers with other domains, at least partially; for instance finhydro.com, ns500731.ns500671.ns500754.ns500731.ns500688.ns500688.ns500688.ns500678.ns500666.ns500291.ns500291.ns500291.ns500131.lustychickser.com, port5.net, ns500754.ns500742.ns500671.ns500731.ns500671.ns500704.ns500671.ns500705.ns500688.ns500705.ns500649.ns500666.ns500653.ns500153.tenderladiesbz.com and hashicpa.com.
these mail servers are often used together with the mail servers alt1.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.
Host names with two IP numbers:
aspmx.l.google.com: 2607:f8b0:4023:c03::1a and 142.251.2.26
alt2.aspmx.l.google.com: 2a00:1450:400b:c02::1a and 172.253.116.26
alt4.aspmx.l.google.com: 2a00:1450:400c:c00::1b and 173.194.76.26