`jnwengineering.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:946b^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:57ea^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.87.234^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.148.107^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`marek.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bca^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ca^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`marek.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ca^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`marek.ns.cloudflare.com`
		A	108.162.193.202^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	172.64.33.202^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
		A	173.245.59.202^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marek.ns.cloudflare.com`
NS	`wally.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aef^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wally.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ef^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`wally.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ef^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`wally.ns.cloudflare.com`
		A	108.162.192.239^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wally.ns.cloudflare.com`
		A	172.64.32.239^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wally.ns.cloudflare.com`
		A	173.245.58.239^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wally.ns.cloudflare.com`
MX	`mx.stackmail.com` ⭐
		A	185.151.28.67^{🇬🇧 TWENTYI185.151.28.0/24}
			PTR	`mx.stackmail.com`
TXT	`v=spf1 include:spf.stackmail.com a mx -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.87.234, 172.67.148.107
		IPv6 hints	2606:4700:3031::ac43:946b, 2606:4700:3033::6815:57ea
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=211, name=cloudflare-ech.com
SOA	`marek.ns.cloudflare.com`dns@cloudflare.com serial=2410245000

`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=1785002257

Previously MX for

jnwengineering.com

Same first word

jnwengineering.com.sg

jnwengineering.com

DNS History

19 records (7 active, 12 former)

●NSmarek.ns.cloudflare.com2026-07-09 → 2026-07-25 · 3 obs

○ 2017-09-26 07:17:28
● 2026-07-09 04:37:40
● 2026-07-25 18:10:34

○NSns1.imba.com.sg2015-11-12 → 2016-04-20 · 5 obs

○ 2015-07-17 13:51:00
● 2015-11-12 21:26:20
● 2016-04-20 07:05:56
○ 2016-12-02 22:54:46
○ 2026-07-25 18:10:34

○NSns1.livehostsupport.com2015-07-17 → 2015-07-17 · 3 obs

● 2015-07-17 13:51:00
○ 2015-11-12 21:26:20
○ 2026-07-25 18:10:34

○NSns1.vodien.com2016-12-02 → 2017-09-26 · 5 obs

○ 2016-04-20 07:05:56
● 2016-12-02 22:54:46
● 2017-09-26 07:17:28
○ 2026-07-09 04:37:40
○ 2026-07-25 18:10:34

○NSns2.imba.com.sg2015-11-12 → 2016-04-20 · 5 obs

○ 2015-07-17 13:51:00
● 2015-11-12 21:26:20
● 2016-04-20 07:05:56
○ 2016-12-02 22:54:46
○ 2026-07-25 18:10:34

○NSns2.livehostsupport.com2015-07-17 → 2015-07-17 · 3 obs

● 2015-07-17 13:51:00
○ 2015-11-12 21:26:20
○ 2026-07-25 18:10:34

○NSns2.vodien.com2016-12-02 → 2017-09-26 · 5 obs

○ 2016-04-20 07:05:56
● 2016-12-02 22:54:46
● 2017-09-26 07:17:28
○ 2026-07-09 04:37:40
○ 2026-07-25 18:10:34

○NSns3.vodien.com2016-12-02 → 2017-09-26 · 5 obs

○ 2016-04-20 07:05:56
● 2016-12-02 22:54:46
● 2017-09-26 07:17:28
○ 2026-07-09 04:37:40
○ 2026-07-25 18:10:34

●NSwally.ns.cloudflare.com2026-07-09 → 2026-07-25 · 3 obs

○ 2017-09-26 07:17:28
● 2026-07-09 04:37:40
● 2026-07-25 18:10:34

○MXjnwengineering.com2016-12-02 → 2017-09-26 · 5 obs

○ 2016-04-20 07:05:56
● 2016-12-02 22:54:46
● 2017-09-26 07:17:28
○ 2026-07-09 04:37:40
○ 2026-07-25 18:10:34

○MXmail.jnwengineering.com2015-07-17 → 2016-04-20 · 4 obs

● 2015-07-17 13:51:00
● 2016-04-20 07:05:56
○ 2016-12-02 22:54:46
○ 2026-07-25 18:10:34

●MXmx.stackmail.com2026-07-09 → 2026-07-25 · 3 obs

○ 2017-09-26 07:17:28
● 2026-07-09 04:37:40
● 2026-07-25 18:10:34

○A101.100.204.362015-07-17 → 2015-07-17 · 3 obs

● 2015-07-17 13:51:00
○ 2015-11-12 21:26:20
○ 2026-07-25 18:10:34

○A103.11.190.2002015-11-12 → 2016-04-20 · 5 obs

○ 2015-07-17 13:51:00
● 2015-11-12 21:26:20
● 2016-04-20 07:05:56
○ 2016-12-02 22:54:46
○ 2026-07-25 18:10:34

●A104.21.87.2342026-07-09 → 2026-07-25 · 3 obs

○ 2017-09-26 07:17:28
● 2026-07-09 04:37:40
● 2026-07-25 18:10:34

○A119.31.233.502016-12-02 → 2017-09-26 · 5 obs

○ 2016-04-20 07:05:56
● 2016-12-02 22:54:46
● 2017-09-26 07:17:28
○ 2026-07-09 04:37:40
○ 2026-07-25 18:10:34

●A172.67.148.1072026-07-09 → 2026-07-25 · 3 obs

○ 2017-09-26 07:17:28
● 2026-07-09 04:37:40
● 2026-07-25 18:10:34

●A2606:4700:3031::ac43:946b2026-07-09 → 2026-07-25 · 3 obs

○ 2017-09-26 07:17:28
● 2026-07-09 04:37:40
● 2026-07-25 18:10:34

●A2606:4700:3033::6815:57ea2026-07-09 → 2026-07-25 · 3 obs

○ 2017-09-26 07:17:28
● 2026-07-09 04:37:40
● 2026-07-25 18:10:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
jnwengineering.com	wally.ns.cloudflare.com, marek.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.202

NS records: wally.ns.cloudflare.com, marek.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jnwengineering.com (unsigned zone)

⏱️ Timing

Total: 124ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.148.107, 104.21.87.234`
AAAA	2	`2606:4700:3031::ac43:946b, 2606:4700:3033::6815:57ea`
NS	2	`marek.ns.cloudflare.com, wally.ns.cloudflare.com`
MX	1	`mx.stackmail.com (pri: 10)`
TXT	1	`v=spf1 include:spf.stackmail.com a mx -a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`marek.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (wally.ns.cloudflare.com, wally.ns.cloudflare.com, wally.ns.cloudflare.com...)

Analysis

IP Addresses

jnwengineering.com points to the four IP addresses 104.21.87.234, 172.67.148.107, 2606:4700:3031::ac43:946b and 2606:4700:3033::6815:57ea.

Among the host names that share IP numbers with jnwengineering.com are webszazas.hu, lvkenzhongmiao.com.cn, cy45.net and two others.

Name Servers

DNS delegation for jnwengineering.com points to two name servers: marek.ns.cloudflare.com and wally.ns.cloudflare.com.

jnwengineering.com has the same name server delegation as a number of other domains, such as oceanworldseafoodmarket.com, tanverharen.com.es, pcgamefreetop.com and two more.

At least some of jnwengineering.com's name servers are shared with other domains, for example flannery.co, sedco.co.uk, 59va.com and two more.

These name servers tend to be deployed in combination with the name servers thomas.ns.cloudflare.com and clint.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

marek.ns.cloudflare.com has IP addresses 108.162.193.202, 172.64.33.202 and 173.245.59.202, plus 3 other.

wally.ns.cloudflare.com has IP addresses 108.162.192.239, 172.64.32.239 and 173.245.58.239, plus 3 other.

Mail Servers

jnwengineering.com routes its mail through a single mail server, mx.stackmail.com.

jnwengineering.com has the same mail server arrangement as a number of other domains, for example wessexlocksmiths.co.uk, redemptorists.co.uk, linzicrawford.com and two more.

mx.stackmail.com has exactly one IP number: 185.151.28.67.

jnwengineering.com - robtex.com