constructionskillstest.com - dns.ninja

`constructionskillstest.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:3684^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:8ace^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.54.132^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.138.206^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`joel.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bb8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`joel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`joel.ns.cloudflare.com`
		A	108.162.193.184^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joel.ns.cloudflare.com`
		A	172.64.33.184^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joel.ns.cloudflare.com`
		A	173.245.59.184^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joel.ns.cloudflare.com`
NS	`sara.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a90^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c090^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2090^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sara.ns.cloudflare.com`
		A	108.162.192.144^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	172.64.32.144^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	173.245.58.144^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
MX	`_dc-mx.ef3b6e83c784.constructionskillstest.com` ⭐
		A	91.103.219.229
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.54.132, 172.67.138.206
		IPv6 hints	2606:4700:3030::6815:3684, 2606:4700:3032::ac43:8ace
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=172, name=cloudflare-ech.com
SOA	`joel.ns.cloudflare.com`dns@cloudflare.com serial=2407717659

`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=1785988019

🔒 HSTS Preload (+subdomains)

Previously MX for

constructionskillstest.com

Same first word

constructionskillstest.com

DNS History

28 records (7 active, 21 former)

●NSjoel.ns.cloudflare.com2017-03-30 → 2026-08-06 · 3 obs

○ 2016-07-13 10:46:52
● 2017-03-30 14:58:28
● 2026-08-06 03:55:10

○NSns1.3v0.net2015-07-22 → 2016-07-13 · 4 obs

● 2015-07-22 16:57:06
● 2016-07-13 10:46:52
○ 2017-03-30 14:58:28
○ 2026-08-06 03:55:10

○NSns2.3v0.net2015-07-22 → 2016-07-13 · 4 obs

● 2015-07-22 16:57:06
● 2016-07-13 10:46:52
○ 2017-03-30 14:58:28
○ 2026-08-06 03:55:10

○NSns3.3v0.net2015-07-22 → 2016-07-13 · 4 obs

● 2015-07-22 16:57:06
● 2016-07-13 10:46:52
○ 2017-03-30 14:58:28
○ 2026-08-06 03:55:10

○NSns4.3v0.net2015-07-22 → 2016-07-13 · 4 obs

● 2015-07-22 16:57:06
● 2016-07-13 10:46:52
○ 2017-03-30 14:58:28
○ 2026-08-06 03:55:10

●NSsara.ns.cloudflare.com2017-03-30 → 2026-08-06 · 3 obs

○ 2016-07-13 10:46:52
● 2017-03-30 14:58:28
● 2026-08-06 03:55:10

●MX_dc-mx.ef3b6e83c784.constructionskillstest.com2026-02-17 → 2026-08-06 · 3 obs

○ 2020-03-11 08:41:16
● 2026-02-17 09:43:58
● 2026-08-06 03:55:10

○MXconstructionskillstest.com2015-07-22 → 2016-07-13 · 4 obs

● 2015-07-22 16:57:06
● 2016-07-13 10:46:52
○ 2017-03-30 14:58:28
○ 2026-08-06 03:55:10

○MXdc-50894ab404c8.constructionskillstest.com2017-03-30 → 2017-03-30 · 4 obs

○ 2016-07-13 10:46:52
● 2017-03-30 14:58:28
○ 2020-03-11 08:41:16
○ 2026-08-06 03:55:10

○MXezmail.constructionskillstest.com2020-03-11 → 2020-03-11 · 4 obs

○ 2017-03-30 14:58:28
● 2020-03-11 08:41:16
○ 2026-02-17 09:43:58
○ 2026-08-06 03:55:10

●A104.21.54.1322026-02-17 → 2026-08-06 · 8 obs

○ 2020-03-11 08:41:16
● 2026-02-17 09:43:58
● 2026-03-27 18:11:02
○ 2026-04-27 11:30:54
● 2026-07-20 04:15:06
○ 2026-07-21 21:24:18
● 2026-07-26 17:07:40
● 2026-08-06 03:55:10

○A104.27.170.482017-03-30 → 2020-03-11 · 5 obs

○ 2016-07-13 10:46:52
● 2017-03-30 14:58:28
● 2020-03-11 08:41:16
○ 2026-02-17 09:43:58
○ 2026-08-06 03:55:10

○A104.27.171.482017-03-30 → 2020-03-11 · 5 obs

○ 2016-07-13 10:46:52
● 2017-03-30 14:58:28
● 2020-03-11 08:41:16
○ 2026-02-17 09:43:58
○ 2026-08-06 03:55:10

●A172.67.138.2062026-02-17 → 2026-08-06 · 8 obs

○ 2020-03-11 08:41:16
● 2026-02-17 09:43:58
● 2026-03-27 18:11:02
○ 2026-04-27 11:30:54
● 2026-07-20 04:15:06
○ 2026-07-21 21:24:18
● 2026-07-26 17:07:40
● 2026-08-06 03:55:10

○A185.11.240.1692015-11-30 → 2016-07-13 · 5 obs

○ 2015-07-22 16:57:06
● 2015-11-30 13:39:52
● 2016-07-13 10:46:52
○ 2017-03-30 14:58:28
○ 2026-08-06 03:55:10

○A188.114.96.02026-04-27 → 2026-07-21 · 6 obs

○ 2026-03-27 18:11:02
● 2026-04-27 11:30:54
○ 2026-07-20 04:15:06
● 2026-07-21 21:24:18
○ 2026-07-26 17:07:40
○ 2026-08-06 03:55:10

○A188.114.97.02026-04-27 → 2026-07-21 · 6 obs

○ 2026-03-27 18:11:02
● 2026-04-27 11:30:54
○ 2026-07-20 04:15:06
● 2026-07-21 21:24:18
○ 2026-07-26 17:07:40
○ 2026-08-06 03:55:10

○A2400:cb00:2048:1::681b:aa302017-03-30 → 2017-03-30 · 4 obs

○ 2016-07-13 10:46:52
● 2017-03-30 14:58:28
○ 2020-03-11 08:41:16
○ 2026-08-06 03:55:10

○A2400:cb00:2048:1::681b:ab302017-03-30 → 2017-03-30 · 4 obs

○ 2016-07-13 10:46:52
● 2017-03-30 14:58:28
○ 2020-03-11 08:41:16
○ 2026-08-06 03:55:10

●A2606:4700:3030::6815:36842026-07-20 → 2026-08-06 · 5 obs

○ 2026-04-27 11:30:54
● 2026-07-20 04:15:06
○ 2026-07-21 21:24:18
● 2026-07-26 17:07:40
● 2026-08-06 03:55:10

●A2606:4700:3032::ac43:8ace2026-07-20 → 2026-08-06 · 5 obs

○ 2026-04-27 11:30:54
● 2026-07-20 04:15:06
○ 2026-07-21 21:24:18
● 2026-07-26 17:07:40
● 2026-08-06 03:55:10

○A2606:4700:3035::681b:aa302020-03-11 → 2020-03-11 · 4 obs

○ 2017-03-30 14:58:28
● 2020-03-11 08:41:16
○ 2026-02-17 09:43:58
○ 2026-08-06 03:55:10

○A2606:4700:3035::ac43:8ace2026-02-17 → 2026-03-27 · 5 obs

○ 2020-03-11 08:41:16
● 2026-02-17 09:43:58
● 2026-03-27 18:11:02
○ 2026-04-27 11:30:54
○ 2026-08-06 03:55:10

○A2606:4700:3036::6815:36842026-02-17 → 2026-03-27 · 5 obs

○ 2020-03-11 08:41:16
● 2026-02-17 09:43:58
● 2026-03-27 18:11:02
○ 2026-04-27 11:30:54
○ 2026-08-06 03:55:10

○A2606:4700:3037::681b:ab302020-03-11 → 2020-03-11 · 4 obs

○ 2017-03-30 14:58:28
● 2020-03-11 08:41:16
○ 2026-02-17 09:43:58
○ 2026-08-06 03:55:10

○A2a06:98c1:3120::2026-04-27 → 2026-07-21 · 6 obs

○ 2026-03-27 18:11:02
● 2026-04-27 11:30:54
○ 2026-07-20 04:15:06
● 2026-07-21 21:24:18
○ 2026-07-26 17:07:40
○ 2026-08-06 03:55:10

○A2a06:98c1:3121::2026-04-27 → 2026-07-21 · 6 obs

○ 2026-03-27 18:11:02
● 2026-04-27 11:30:54
○ 2026-07-20 04:15:06
● 2026-07-21 21:24:18
○ 2026-07-26 17:07:40
○ 2026-08-06 03:55:10

○A46.249.223.302015-07-22 → 2015-07-22 · 3 obs

● 2015-07-22 16:57:06
○ 2015-11-30 13:39:52
○ 2026-08-06 03:55:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net...	-
constructionskillstest.com	sara.ns.cloudflare.com, joel.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:173.245.58.144

NS records: sara.ns.cloudflare.com, joel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for constructionskillstest.com (unsigned zone)

⏱️ Timing

Total: 177ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.138.206, 104.21.54.132`
AAAA	2	`2606:4700:3030::6815:3684, 2606:4700:3032::ac43:8ace`
NS	2	`joel.ns.cloudflare.com, sara.ns.cloudflare.com`
MX	1	`_dc-mx.ef3b6e83c784.constructionskillste`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`joel.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

constructionskillstest.com has four IP addresses: 104.21.54.132, 172.67.138.206, 2606:4700:3030::6815:3684 and 2606:4700:3032::ac43:8ace.

Two other host names, along with www.s9ordrverlfy94.com, spacvb.com and listingdock.org, also share IP numbers with constructionskillstest.com.

Name Servers

constructionskillstest.com is served by two delegated name servers, joel.ns.cloudflare.com and sara.ns.cloudflare.com.

constructionskillstest.com shares its NS records with other domains, for example thirty1time.shop, talkgo.org, sgoerres.com and two others.

constructionskillstest.com shares at least some of its name servers with other domains, including ofercell.com, greenmarketnetwork.nl, edubirdie.net and two others.

These name servers are frequently seen alongside the name servers april.ns.cloudflare.com.

DNS names with 6 IP addresses:

joel.ns.cloudflare.com carries IP addresses 108.162.193.184, 172.64.33.184 and 173.245.59.184, with 3 other addresses beyond those.

sara.ns.cloudflare.com carries IP addresses 108.162.192.144, 172.64.32.144 and 173.245.58.144, with 3 other addresses beyond those.

Mail Servers

The sole mail server for constructionskillstest.com is _dc-mx.ef3b6e83c784.constructionskillstest.com.

There is one IP number for _dc-mx.ef3b6e83c784.constructionskillstest.com: 91.103.219.229.