`national-engineering-specification.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:b7d2^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:2860^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.40.96^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.183.210^{🇺🇸 Cloudflare172.67.176.0/20 , 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	162.159.0.208^{Cloudflare162.159.0.0/24 , 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	162.159.1.208^{Cloudflare162.159.1.0/24 , 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	104.21.40.96, 172.67.183.210
		IPv6 hints	2606:4700:3034::ac43:b7d2, 2606:4700:3035::6815:2860
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=60, name=cloudflare-ech.com
SOA	`ns1.ubmdns.com`dns@cloudflare.com serial=2410224269

`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.net`nstld@verisign-grs.com serial=1785024152

Same first word

national-engineering-specification.net

national-engineering-specification.org

national-engineering-specification.co.uk

national-engineering-specification.com

DNS History

14 records (6 active, 8 former)

●NSns1.ubmdns.com2026-03-01 → 2026-07-26 · 3 obs

○ 2017-08-08 12:07:54
● 2026-03-01 23:15:42
● 2026-07-26 00:32:18

○NSns1.ubmits.com2017-08-08 → 2017-08-08 · 3 obs

● 2017-08-08 12:07:54
○ 2026-03-01 23:15:42
○ 2026-07-26 00:32:18

●NSns2.ubmdns.com2026-03-01 → 2026-07-26 · 3 obs

○ 2017-08-08 12:07:54
● 2026-03-01 23:15:42
● 2026-07-26 00:32:18

○NSns2.ubmits.com2017-08-08 → 2017-08-08 · 3 obs

● 2017-08-08 12:07:54
○ 2026-03-01 23:15:42
○ 2026-07-26 00:32:18

○NSns3.ubmits.com2017-08-08 → 2017-08-08 · 3 obs

● 2017-08-08 12:07:54
○ 2026-03-01 23:15:42
○ 2026-07-26 00:32:18

○MXmail1.ubm-us.net2017-08-08 → 2017-08-08 · 3 obs

● 2017-08-08 12:07:54
○ 2026-03-01 23:15:42
○ 2026-07-26 00:32:18

●A104.21.40.962026-03-01 → 2026-07-26 · 3 obs

○ 2017-08-08 12:07:54
● 2026-03-01 23:15:42
● 2026-07-26 00:32:18

●A172.67.183.2102026-03-01 → 2026-07-26 · 3 obs

○ 2017-08-08 12:07:54
● 2026-03-01 23:15:42
● 2026-07-26 00:32:18

○A192.155.48.932017-08-08 → 2017-08-08 · 3 obs

● 2017-08-08 12:07:54
○ 2026-03-01 23:15:42
○ 2026-07-26 00:32:18

○A2606:4700:3033::ac43:b7d22026-03-01 → 2026-06-14 · 5 obs

○ 2017-08-08 12:07:54
● 2026-03-01 23:15:42
● 2026-06-14 09:30:54
○ 2026-07-13 11:17:12
○ 2026-07-26 00:32:18

●A2606:4700:3034::ac43:b7d22026-07-13 → 2026-07-26 · 3 obs

○ 2026-06-14 09:30:54
● 2026-07-13 11:17:12
● 2026-07-26 00:32:18

●A2606:4700:3035::6815:28602026-07-13 → 2026-07-26 · 3 obs

○ 2026-06-14 09:30:54
● 2026-07-13 11:17:12
● 2026-07-26 00:32:18

○A2606:4700:3037::6815:28602026-03-01 → 2026-06-14 · 5 obs

○ 2017-08-08 12:07:54
● 2026-03-01 23:15:42
● 2026-06-14 09:30:54
○ 2026-07-13 11:17:12
○ 2026-07-26 00:32:18

○A2620:103::192:155:48:932017-08-08 → 2017-08-08 · 3 obs

● 2017-08-08 12:07:54
○ 2026-03-01 23:15:42
○ 2026-07-26 00:32:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net...	-
national-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: 1495ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.183.210, 104.21.40.96`
AAAA	2	`2606:4700:3034::ac43:b7d2, 2606:4700:3035::6815:2860`
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

national-engineering-specification.com resolves to four IP addresses: 104.21.40.96, 172.67.183.210, 2606:4700:3034::ac43:b7d2 and 2606:4700:3035::6815:2860.

winiarze.pl, big(0x736578)videos.com, ndspace.team and two other host names share IP numbers with national-engineering-specification.com.

Name Servers

national-engineering-specification.com has two authoritative name servers — ns1.ubmdns.com and ns2.ubmdns.com.

national-engineering-specification.com uses the same name servers as several other domains — among them pmec-sa.com, infrastructurenowevent.co.uk, drdobbs.com.cn and two more.

Both ns1.ubmdns.com and ns2.ubmdns.com have two IP addresses each. ns1.ubmdns.com resolves to 162.159.0.208 and 2400:cb00:2049:1::a29f:d0; ns2.ubmdns.com resolves to 162.159.1.208 and 2400:cb00:2049:1::a29f:1d0.

national-engineering-specification.com - robtex.com