constructive.co - dns.ninja

`constructive.co`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:439e^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:b1f3^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.67.158^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.177.243^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cortney.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a57^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cortney.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c057^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cortney.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2057^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cortney.ns.cloudflare.com`
		A	108.162.192.87^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cortney.ns.cloudflare.com`
		A	172.64.32.87^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cortney.ns.cloudflare.com`
		A	173.245.58.87^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cortney.ns.cloudflare.com`
NS	`yichun.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yichun.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`yichun.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`yichun.ns.cloudflare.com`
		A	108.162.193.248^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yichun.ns.cloudflare.com`
		A	172.64.33.248^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yichun.ns.cloudflare.com`
		A	173.245.59.248^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yichun.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c21::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f26.1e100.net`
		A	142.250.31.27^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`asv=cd5bc469658b9c98906161249a065b24`
TXT	`asv=cec553d45f352bad7e2099170a17904b`
TXT	`google-site-verification=Lk6STt3J6jjHduGPEmxDeN0P0h6pcaTK-JEiUSupbCg`
TXT	`google-site-verification=wacNIwhQtg3nASsOVR2itbt6-rAW4Mh0itZ82zSA2X0`
TXT	`v=spf1 include:_spf.google.com include:_spf.act-on.net include:sendgrid.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.67.158, 172.67.177.243
		IPv6 hints	2606:4700:3033::6815:439e, 2606:4700:3034::ac43:b1f3
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=222, name=cloudflare-ech.com
SOA	`cortney.ns.cloudflare.com`dns@cloudflare.com serial=2411342128

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co`
	NS	`b.registrydns.co`
	NS	`c.registrydns.co`
	NS	`d.registrydns.co`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759730260

rank #881492 globally
rank #5227 in the tld

Same first word

DNS History

22 records (11 active, 11 former)

●NScortney.ns.cloudflare.com2026-02-17 → 2026-08-11 · 3 obs

○ 2017-04-02 11:06:50
● 2026-02-17 03:37:36
● 2026-08-11 07:41:54

○NSns-1464.awsdns-55.org2015-11-13 → 2017-04-02 · 5 obs

○ 2015-07-04 22:02:50
● 2015-11-13 13:00:36
● 2017-04-02 11:06:50
○ 2026-02-17 03:37:36
○ 2026-08-11 07:41:54

○NSns-1706.awsdns-21.co.uk2015-11-13 → 2017-04-02 · 5 obs

○ 2015-07-04 22:02:50
● 2015-11-13 13:00:36
● 2017-04-02 11:06:50
○ 2026-02-17 03:37:36
○ 2026-08-11 07:41:54

○NSns-54.awsdns-06.com2015-11-13 → 2017-04-02 · 5 obs

○ 2015-07-04 22:02:50
● 2015-11-13 13:00:36
● 2017-04-02 11:06:50
○ 2026-02-17 03:37:36
○ 2026-08-11 07:41:54

○NSns-818.awsdns-38.net2015-11-13 → 2017-04-02 · 5 obs

○ 2015-07-04 22:02:50
● 2015-11-13 13:00:36
● 2017-04-02 11:06:50
○ 2026-02-17 03:37:36
○ 2026-08-11 07:41:54

○NSns01.cashparking.com2015-07-04 → 2015-07-04 · 3 obs

● 2015-07-04 22:02:50
○ 2015-11-13 13:00:36
○ 2026-08-11 07:41:54

●NSyichun.ns.cloudflare.com2026-02-17 → 2026-08-11 · 3 obs

○ 2017-04-02 11:06:50
● 2026-02-17 03:37:36
● 2026-08-11 07:41:54

●MXalt1.aspmx.l.google.com2015-11-13 → 2026-08-11 · 3 obs

○ 2015-07-04 22:02:50
● 2015-11-13 13:00:36
● 2026-08-11 07:41:54

●MXalt2.aspmx.l.google.com2015-11-13 → 2026-08-11 · 3 obs

○ 2015-07-04 22:02:50
● 2015-11-13 13:00:36
● 2026-08-11 07:41:54

●MXalt3.aspmx.l.google.com2015-11-13 → 2026-08-11 · 3 obs

○ 2015-07-04 22:02:50
● 2015-11-13 13:00:36
● 2026-08-11 07:41:54

●MXalt4.aspmx.l.google.com2015-11-13 → 2026-08-11 · 3 obs

○ 2015-07-04 22:02:50
● 2015-11-13 13:00:36
● 2026-08-11 07:41:54

●MXaspmx.l.google.com2015-11-13 → 2026-08-11 · 3 obs

○ 2015-07-04 22:02:50
● 2015-11-13 13:00:36
● 2026-08-11 07:41:54

○MXmailstore1.secureserver.net2015-07-04 → 2015-07-04 · 3 obs

● 2015-07-04 22:02:50
○ 2015-11-13 13:00:36
○ 2026-08-11 07:41:54

○MXsmtp.secureserver.net2015-07-04 → 2015-07-04 · 3 obs

● 2015-07-04 22:02:50
○ 2015-11-13 13:00:36
○ 2026-08-11 07:41:54

●A104.21.67.1582026-02-17 → 2026-08-11 · 3 obs

○ 2017-04-02 11:06:50
● 2026-02-17 03:37:36
● 2026-08-11 07:41:54

●A172.67.177.2432026-02-17 → 2026-08-11 · 3 obs

○ 2017-04-02 11:06:50
● 2026-02-17 03:37:36
● 2026-08-11 07:41:54

○A184.168.221.962015-07-04 → 2015-07-04 · 3 obs

● 2015-07-04 22:02:50
○ 2015-11-13 13:00:36
○ 2026-08-11 07:41:54

○A2606:4700:3031::6815:439e2026-02-17 → 2026-06-13 · 5 obs

○ 2017-04-02 11:06:50
● 2026-02-17 03:37:36
● 2026-06-13 18:31:16
○ 2026-07-03 23:29:26
○ 2026-08-11 07:41:54

●A2606:4700:3033::6815:439e2026-07-03 → 2026-08-11 · 3 obs

○ 2026-06-13 18:31:16
● 2026-07-03 23:29:26
● 2026-08-11 07:41:54

●A2606:4700:3034::ac43:b1f32026-07-03 → 2026-08-11 · 3 obs

○ 2026-06-13 18:31:16
● 2026-07-03 23:29:26
● 2026-08-11 07:41:54

○A2606:4700:3037::ac43:b1f32026-02-17 → 2026-06-13 · 5 obs

○ 2017-04-02 11:06:50
● 2026-02-17 03:37:36
● 2026-06-13 18:31:16
○ 2026-07-03 23:29:26
○ 2026-08-11 07:41:54

○A52.3.173.2442015-11-13 → 2017-04-02 · 5 obs

○ 2015-07-04 22:02:50
● 2015-11-13 13:00:36
● 2017-04-02 11:06:50
○ 2026-02-17 03:37:36
○ 2026-08-11 07:41:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co	-
constructive.co	yichun.ns.cloudflare.com, cortney.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.87

NS records: yichun.ns.cloudflare.com, cortney.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for constructive.co (unsigned zone)

⏱️ Timing

Total: 566ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.67.158, 172.67.177.243`
AAAA	2	`2606:4700:3034::ac43:b1f3, 2606:4700:3033::6815:439e`
NS	2	`cortney.ns.cloudflare.com, yichun.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	5	`asv=cd5bc469658b9c98906161249a065b24, asv=cec553d45f352bad7e2099170a17904b...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cortney.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

constructive.co has four IP addresses: 104.21.67.158, 172.67.177.243, 2606:4700:3033::6815:439e and 2606:4700:3034::ac43:b1f3.

Among the host names that share IP numbers with constructive.co are sibdoni.com, www.yxvisa.com, omx495.com and two others.

Name Servers

constructive.co has two authoritative name servers — cortney.ns.cloudflare.com and yichun.ns.cloudflare.com.

constructive.co has the same name server delegation as a number of other domains, such as electriclionradio.com, stadsing.dk, harborclusterloom.xyz and two more.

constructive.co shares at least some of its name servers with other domains, including janeroa.top, motifprintstudio.com, annmyhrequilts.com and two others.

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

Host names resolving to 6 IP numbers:

cortney.ns.cloudflare.com points to 108.162.192.87, 172.64.32.87, 173.245.58.87 and 3 other IP addresses.

yichun.ns.cloudflare.com points to 108.162.193.248, 172.64.33.248, 173.245.59.248 and 3 other IP addresses.

Mail Servers

Mail for constructive.co is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

constructive.co shares at least some of its mail servers with other domains — for example thelittleofficeva.co.uk, cloudmsp.com, ns500699.ns500734.ns500734.ns500734.ns500699.ns500734.ns500699.ns500683.ns500699.ns500699.ns500683.ns500612.ns500110.dtrkdll.com and two more.

It is common to find these mail servers paired with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 more.

Hosts with two IP numbers each:

aspmx.l.google.com resolves to 142.250.31.27 and 2607:f8b0:4004:c21::1a.

alt1.aspmx.l.google.com resolves to 192.178.234.27 and 2800:3f0:4003:c14::1b.

alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com resolves to 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com resolves to 172.253.157.26 and 2a00:1450:400c:c23::1a.