sdn.engineering - robtex.com
sdn.engineering
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.dnsimple.com ⭐ | ||||||
| A | 2400:cb00:2049:1::a29f:1804🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| PTR | ns1.dnsimple.com | ||||||
| A | 162.159.24.4Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.dnsimple.com | ||||||
| NS | ns2.dnsimple.com | ||||||
| A | 2620:111:8005::53🇺🇸 AS327712620:111:8005::/48 Vultr Customer Route | ||||||
| A | 199.247.153.53🇺🇸 AS32771199.247.153.0/24 Vultr Customer Route | ||||||
| NS | ns3.dnsimple.com | ||||||
| A | 2400:cb00:2049:1::a29f:1a04🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| PTR | ns3.dnsimple.com | ||||||
| A | 162.159.26.4Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.dnsimple.com | ||||||
| NS | ns4.dnsimple.com | ||||||
| A | 2620:111:8007::53🇺🇸 AS327712620:111:8007::/48 Vultr Customer Route | ||||||
| A | 199.247.155.53🇺🇸 AS32771199.247.155.0/24 Vultr Customer Route | ||||||
| MX | mail.sdn.engineering ⭐ | ||||||
| SOA | ns1.dnsimple.comadmin@dnsimple.com serial=1436836713 | ||||||
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=1775929587 | ||||||
Subdomains
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.dnsimple.com2016-12-10 → 2026-04-11 · 2 obs
● 2026-04-11 18:16:54
●NSns2.dnsimple.com2016-12-10 → 2026-04-11 · 2 obs
● 2026-04-11 18:16:54
●NSns3.dnsimple.com2016-12-10 → 2026-04-11 · 2 obs
● 2026-04-11 18:16:54
●NSns4.dnsimple.com2016-12-10 → 2026-04-11 · 2 obs
● 2026-04-11 18:16:54
●MXmail.sdn.engineering2016-12-10 → 2026-04-11 · 2 obs
● 2026-04-11 18:16:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| engineering | v0n1.nic.engineering, v2n0.nic.engineering, v0n2.nic.engineering, v0n3.nic.engineering... | 12 records |
| sdn.engineering | ns2.dnsimple.com, ns3.dnsimple.com, ns1.dnsimple.com, ns4.dnsimple.com | - |
✅ Authoritative Response
Server:199.247.155.53
NS records: ns2.dnsimple.com, ns3.dnsimple.com, ns1.dnsimple.com, ns4.dnsimple.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sdn.engineering (unsigned zone)
⏱️ Timing
Total: 454ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1.dnsimple.com, ns2.dnsimple.com... |
| MX | 1 | mail.sdn.engineering (pri: 5) |
| SOA | 1 | ns1.dnsimple.com admin.dnsimple.com |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v0n1.nic.engineering, v0n1.nic.engineering, v2n0.nic.engineering...)
Analysis
Hierarchy
sdn.engineering is a parent of www.sdn.engineering and mail.sdn.engineering.
Name Servers
sdn.engineering is delegated to four name servers: ns1.dnsimple.com, ns2.dnsimple.com, ns3.dnsimple.com and ns4.dnsimple.com.
sdn.engineering shares name servers with other domains at least partially, for instance bellawatt.com, thepikerestaurant.com, preheader.com, mattrobbins.org and wacked.org.
These name servers are commonly used with ns4.dnsimple-edge.org, ns2.dnsimple-edge.net, ns1.ordereze.net, ns2.ordereze.net, ns3.ordereze.net and ns4.ordereze.net.
Host names with two IP numbers:
ns1.dnsimple.com resolves to 2400:cb00:2049:1::a29f:1804 and 162.159.24.4.
ns2.dnsimple.com resolves to 2620:111:8005::53 and 199.247.153.53.
ns3.dnsimple.com resolves to 2400:cb00:2049:1::a29f:1a04 and 162.159.26.4.
ns4.dnsimple.com resolves to 2620:111:8007::53 and 199.247.155.53.
Mail Servers
The mail server for sdn.engineering is mail.sdn.engineering.