engineering-specification.com - dns.ninja
engineering-specification.com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2606:4700:3035::6815:55a5🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:cfa6🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.85.165Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.207.166🇺🇸 Cloudflare172.67.192.0/20 , 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 | 104.21.85.165, 172.67.207.166 | ||||||
| IPv6 hints | 2606:4700:3035::6815:55a5, 2606:4700:3036::ac43:cfa6 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=33, name=cloudflare-ech.com | ||||||
| SOA | ns1.ubmdns.comdns@cloudflare.com serial=2411979114 | ||||||
com
| 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=1786553319 | ||||||
Same first word
engineering-specification.org |
engineering-specification.co.uk |
engineering-specification.net |
engineering-specification.com |
DNS History
11 records (6 active, 5 former)
●NSns1.ubmdns.com2018-07-27 → 2026-08-12 · 2 obs
● 2026-08-12 16:54:14
●NSns2.ubmdns.com2018-07-27 → 2026-08-12 · 2 obs
● 2026-08-12 16:54:14
○MXmail1.ubm-us.net2018-07-27 → 2018-07-27 · 3 obs
○ 2026-07-13 11:14:28
○ 2026-08-12 16:54:14
●A104.21.85.1652026-07-13 → 2026-08-12 · 3 obs
● 2026-07-13 11:14:28
● 2026-08-12 16:54:14
○A104.27.164.752018-07-27 → 2018-07-27 · 3 obs
○ 2026-07-13 11:14:28
○ 2026-08-12 16:54:14
○A104.27.165.752018-07-27 → 2018-07-27 · 3 obs
○ 2026-07-13 11:14:28
○ 2026-08-12 16:54:14
●A172.67.207.1662026-07-13 → 2026-08-12 · 3 obs
● 2026-07-13 11:14:28
● 2026-08-12 16:54:14
○A2400:cb00:2048:1::681b:a44b2018-07-27 → 2018-07-27 · 3 obs
○ 2026-07-13 11:14:28
○ 2026-08-12 16:54:14
○A2400:cb00:2048:1::681b:a54b2018-07-27 → 2018-07-27 · 3 obs
○ 2026-07-13 11:14:28
○ 2026-08-12 16:54:14
●A2606:4700:3035::6815:55a52026-07-13 → 2026-08-12 · 3 obs
● 2026-07-13 11:14:28
● 2026-08-12 16:54:14
●A2606:4700:3036::ac43:cfa62026-07-13 → 2026-08-12 · 3 obs
● 2026-07-13 11:14:28
● 2026-08-12 16:54:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| engineering-specification.com | ns1.ubmdns.com, ns2.ubmdns.com | 2 records |
✅ 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: 324ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.207.166, 104.21.85.165 |
| AAAA | 2 | 2606:4700:3035::6815:55a5, 2606:4700:3036::ac43:cfa6 |
| 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 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.ubmdns.com, ns2.ubmdns.com)
Analysis
IP Addresses
engineering-specification.com has four IP addresses: 104.21.85.165, 172.67.207.166, 2606:4700:3035::6815:55a5 and 2606:4700:3036::ac43:cfa6.
Among the host names that share IP numbers with engineering-specification.com are www.aliforgelab.com, yzhmyzs.com, 438s.com and two others.
Name Servers
DNS delegation for engineering-specification.com points to two name servers: ns1.ubmdns.com and ns2.ubmdns.com.
engineering-specification.com has the same name server delegation as a number of other domains, such as spaandresortexpony.com, securex2006.com, seeyouthere.club and two more.
ns1.ubmdns.com directs to 162.159.0.208 and 2400:cb00:2049:1::a29f:d0. ns2.ubmdns.com directs to 162.159.1.208 and 2400:cb00:2049:1::a29f:1d0. Each host name carries two IP addresses.