`pre-concept.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:b7f5^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:12f6^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.18.246^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.183.245^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`julian.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c5e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julian.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c35e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`julian.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:235e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`julian.ns.cloudflare.com`
		A	108.162.195.94^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julian.ns.cloudflare.com`
		A	162.159.44.94^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julian.ns.cloudflare.com`
		A	172.64.35.94^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julian.ns.cloudflare.com`
NS	`lara.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a80^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c080^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2080^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lara.ns.cloudflare.com`
		A	108.162.192.128^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lara.ns.cloudflare.com`
		A	172.64.32.128^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lara.ns.cloudflare.com`
		A	173.245.58.128^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lara.ns.cloudflare.com`
MX	`mx2.qiye.aliyun.com` ⭐
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
MX	`mx1.qiye.aliyun.com`⁽¹⁰⁾
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
TXT	`v=spf1 include:spf.qiye.aliyun.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.18.246, 172.67.183.245
		IPv6	2606:4700:3032::ac43:b7f5, 2606:4700:3036::6815:12f6
SOA	`julian.ns.cloudflare.com`dns@cloudflare.com serial=2399315521

`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=1774711657

Same first word

pre-concept.com

Similar names

erp-concept.net

erp-concept.com

concept-erp.com

DNS History

19 records (8 active, 11 former)

○NSdns1.hichina.com2020-04-07 → 2020-04-07 · 4 obs

○ 2016-07-18 21:08:22
● 2020-04-07 22:41:22
○ 2026-03-23 10:27:14
○ 2026-03-28 15:51:02

○NSdns2.hichina.com2020-04-07 → 2020-04-07 · 4 obs

○ 2016-07-18 21:08:22
● 2020-04-07 22:41:22
○ 2026-03-23 10:27:14
○ 2026-03-28 15:51:02

●NSjulian.ns.cloudflare.com2026-03-23 → 2026-03-28 · 3 obs

○ 2020-04-07 22:41:22
● 2026-03-23 10:27:14
● 2026-03-28 15:51:02

●NSlara.ns.cloudflare.com2026-03-23 → 2026-03-28 · 3 obs

○ 2020-04-07 22:41:22
● 2026-03-23 10:27:14
● 2026-03-28 15:51:02

○NSns47.domaincontrol.com2015-08-17 → 2016-03-25 · 5 obs

○ 2008-11-29 02:59:38
● 2015-08-17 12:54:46
● 2016-03-25 12:20:48
○ 2016-07-18 21:08:22
○ 2026-03-28 15:51:02

○NSns48.domaincontrol.com2015-08-17 → 2016-03-25 · 5 obs

○ 2008-11-29 02:59:38
● 2015-08-17 12:54:46
● 2016-03-25 12:20:48
○ 2016-07-18 21:08:22
○ 2026-03-28 15:51:02

○MX8020d1f652867d4d871038955a74f1.msv1.invalid2015-08-17 → 2016-03-25 · 5 obs

○ 2008-11-29 02:59:38
● 2015-08-17 12:54:46
● 2016-03-25 12:20:48
○ 2016-07-18 21:08:22
○ 2026-03-28 15:51:02

○MX8020d1f652867d4d871038955a74f1.pamx1.hotmail.com2015-08-17 → 2016-03-25 · 5 obs

○ 2008-11-29 02:59:38
● 2015-08-17 12:54:46
● 2016-03-25 12:20:48
○ 2016-07-18 21:08:22
○ 2026-03-28 15:51:02

●MXmx1.qiye.aliyun.com2026-03-23 → 2026-03-28 · 3 obs

○ 2020-04-07 22:41:22
● 2026-03-23 10:27:14
● 2026-03-28 15:51:02

●MXmx2.qiye.aliyun.com2026-03-23 → 2026-03-28 · 3 obs

○ 2020-04-07 22:41:22
● 2026-03-23 10:27:14
● 2026-03-28 15:51:02

○MXmxn.mxhichina.com2020-04-07 → 2020-04-07 · 4 obs

○ 2016-07-18 21:08:22
● 2020-04-07 22:41:22
○ 2026-03-23 10:27:14
○ 2026-03-28 15:51:02

○MXmxw.mxhichina.com2020-04-07 → 2020-04-07 · 4 obs

○ 2016-07-18 21:08:22
● 2020-04-07 22:41:22
○ 2026-03-23 10:27:14
○ 2026-03-28 15:51:02

●A104.21.18.2462026-03-23 → 2026-03-28 · 3 obs

○ 2020-04-07 22:41:22
● 2026-03-23 10:27:14
● 2026-03-28 15:51:02

○A120.235.189.702026-03-23 → 2026-03-28 · 2 obs

○ 2026-03-23 10:27:14
○ 2026-03-28 15:51:02

○A168.176.124.1852015-08-17 → 2016-03-25 · 5 obs

○ 2008-11-29 02:59:38
● 2015-08-17 12:54:46
● 2016-03-25 12:20:48
○ 2016-07-18 21:08:22
○ 2026-03-28 15:51:02

●A172.67.183.2452026-03-23 → 2026-03-28 · 3 obs

○ 2020-04-07 22:41:22
● 2026-03-23 10:27:14
● 2026-03-28 15:51:02

●A2606:4700:3032::ac43:b7f52026-03-23 → 2026-03-28 · 3 obs

○ 2020-04-07 22:41:22
● 2026-03-23 10:27:14
● 2026-03-28 15:51:02

●A2606:4700:3036::6815:12f62026-03-23 → 2026-03-28 · 3 obs

○ 2020-04-07 22:41:22
● 2026-03-23 10:27:14
● 2026-03-28 15:51:02

○A58.64.207.452020-04-07 → 2020-04-07 · 4 obs

○ 2016-07-18 21:08:22
● 2020-04-07 22:41:22
○ 2026-03-23 10:27:14
○ 2026-03-28 15:51:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
pre-concept.com	lara.ns.cloudflare.com, julian.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.128

NS records: lara.ns.cloudflare.com, julian.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pre-concept.com (unsigned zone)

⏱️ Timing

Total: 108ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.183.245, 104.21.18.246`
AAAA	2	`2606:4700:3032::ac43:b7f5, 2606:4700:3036::6815:12f6`
NS	2	`julian.ns.cloudflare.com, lara.ns.cloudflare.com`
MX	2	`mx1.qiye.aliyun.com (pri: 10), mx2.qiye.aliyun.com (pri: 5)`
TXT	1	`v=spf1 include:spf.qiye.aliyun.com -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`julian.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

pre-concept.com resolves to four IP numbers: 2606:4700:3032::ac43:b7f5, 2606:4700:3036::6815:12f6, 104.21.18.246 and 172.67.183.245.

Other host names such as luna.lu, dhnfq.com, goe.menu, www.dziriya.net and fs-click.com share IPs with pre-concept.com.

Name Servers

pre-concept.com is delegated to two name servers: julian.ns.cloudflare.com and lara.ns.cloudflare.com.

pre-concept.com shares the same name server setup as taixiuonline11.com, cleansheetinternational.com, jakeos.com, taixiuonlineuytin.us and iwinclub.immo.

pre-concept.com at least partially shares name servers with other domains, for instance stpamd.org, mailmany.net, amot.co.il, maxxpayment.com and ommellinen.fi.

these name servers are often used in conjunction with the name servers aria.ns.cloudflare.com.

Host names with six IP numbers:

julian.ns.cloudflare.com points to 2606:4700:58::a29f:2c5e, 2803:f800:50::6ca2:c35e, 2a06:98c1:50::ac40:235e, 108.162.195.94, 162.159.44.94 and 172.64.35.94.

lara.ns.cloudflare.com points to 2606:4700:50::adf5:3a80, 2803:f800:50::6ca2:c080, 2a06:98c1:50::ac40:2080, 108.162.192.128, 172.64.32.128 and 173.245.58.128.

Mail Servers

pre-concept.com is handled by two mail servers: mx1.qiye.aliyun.com and mx2.qiye.aliyun.com.

The mail server setup for pre-concept.com matches that of other domains, for instance shyczn.com, singstor.com, dmodes.com, atomdatatech.com and baichuan.com.

pre-concept.com shares at least partially some mail servers with other domains, including itdowns.com, sinofreezer.com, rungreenagro.com, smmst.com and sosoon.net.

these mail servers are often used together with mx3.qiye.aliyun.com, mxn.mxhichina.com and mxw.mxhichina.com.

Host names with a single IP:

mx1.qiye.aliyun.com points to 47.246.137.47.

mx2.qiye.aliyun.com points to 47.246.136.231.

pre-concept.com - robtex.com

pre-concept.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`pre-concept.com`

`com`