engineeringspecification.net - dns.ninja
engineeringspecification.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:d2a9🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3031::6815:42fb🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.66.251Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.210.169🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | ns1.ubmdns.com ⭐ | ||||||
| A | 2400:cb00:2049:1::a29f:d0🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| PTR | ns1.ubmdns.com | ||||||
| A | 162.159.0.208Cloudflare162.159.0.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.ubmdns.com | ||||||
| A | 2400:cb00:2049:1::a29f:1d0🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| PTR | ns2.ubmdns.com | ||||||
| A | 162.159.1.208Cloudflare162.159.1.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.ubmdns.com | ||||||
| TXT | v=spf1 mx include:spf.ubm-us.net -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.66.251, 172.67.210.169 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:d2a9, 2606:4700:3031::6815:42fb | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=104, name=cloudflare-ech.com | ||||||
| SOA | ns1.ubmdns.comdns@cloudflare.com serial=2411192145 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1786540899 | ||||||
Same first word
engineeringspecification.net |
DNS History
6 records (6 active, 0 former)
●NSns1.ubmdns.com2026-07-13 → 2026-08-12 · 2 obs
● 2026-08-12 13:52:06
●NSns2.ubmdns.com2026-07-13 → 2026-08-12 · 2 obs
● 2026-08-12 13:52:06
●A104.21.66.2512026-07-13 → 2026-08-12 · 2 obs
● 2026-08-12 13:52:06
●A172.67.210.1692026-07-13 → 2026-08-12 · 2 obs
● 2026-08-12 13:52:06
●A2606:4700:3030::ac43:d2a92026-07-13 → 2026-08-12 · 2 obs
● 2026-08-12 13:52:06
●A2606:4700:3031::6815:42fb2026-07-13 → 2026-08-12 · 2 obs
● 2026-08-12 13:52:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| engineeringspecification.net | ns1.ubmdns.com, ns2.ubmdns.com | - |
✅ Authoritative Response
Server:162.159.0.208
NS records: ns1.ubmdns.com, ns2.ubmdns.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 245ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.66.251, 172.67.210.169 |
| AAAA | 2 | 2606:4700:3031::6815:42fb, 2606:4700:3030::ac43:d2a9 |
| NS | 2 | ns1.ubmdns.com, ns2.ubmdns.com |
| TXT | 1 | v=spf1 mx include:spf.ubm-us.net -all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | ns1.ubmdns.com dns.cloudflare.com |
Analysis
IP Addresses
engineeringspecification.net directs to four IP numbers, which are 104.21.66.251, 172.67.210.169, 2606:4700:3030::ac43:d2a9 and 2606:4700:3031::6815:42fb.
ohrana-market.com.ua, www.seattle-implants.com, www.reconrobotics.com plus two other host names have IP numbers in common with engineeringspecification.net.
Name Servers
engineeringspecification.net is served by two delegated name servers, ns1.ubmdns.com and ns2.ubmdns.com.
The name server configuration of engineeringspecification.net is shared with other domains, for instance 4gtrends.com, seatradeasia-online.com, engineeringzone.com and two others.
Each of the two host names carries two IP addresses: ns1.ubmdns.com points to 162.159.0.208 and 2400:cb00:2049:1::a29f:d0, and ns2.ubmdns.com points to 162.159.1.208 and 2400:cb00:2049:1::a29f:1d0.