🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`core4dev.com`

DNSSEC	⚠️ Not signed
A	107.180.20.84^{🇺🇸 AS400754107.180.0.0/18 IAD2 Allocation}
		PTR	`84.20.180.107.host.secureserver.net`
NS	`dns1.p06.nsone.net` ⭐ ⚠️ Not in zone NS records
		A	2620:4d:4000:6259:7:6:0:1^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns1.p06.nsone.net`
		A	198.51.44.6^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns1.p06.nsone.net`
NS	`dns1.p01.nsone.net` ⚠️ Not in parent delegation
		A	2620:4d:4000:6259:7:1:0:1^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
		A	198.51.44.1^{🇺🇸 NSONE198.51.44.0/24}
NS	`dns2.p01.nsone.net` ⚠️ Not in parent delegation
		A	2a00:edc0:6259:7:1::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p01.nsone.net`
		A	198.51.45.1^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns2.p01.nsone.net`
NS	`dns2.p06.nsone.net` ⚠️ Not in zone NS records
		A	2a00:edc0:6259:7:6::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p06.nsone.net`
		A	198.51.45.6^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns2.p06.nsone.net`
NS	`dns3.p01.nsone.net` ⚠️ Not in parent delegation
		A	2620:4d:4000:6259:7:1:0:3^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns3.p01.nsone.net`
		A	198.51.44.65^{🇺🇸 NSONE198.51.44.0/24}
NS	`dns3.p06.nsone.net` ⚠️ Not in zone NS records
		A	2620:4d:4000:6259:7:6:0:3^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns3.p06.nsone.net`
		A	198.51.44.70^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns3.p06.nsone.net`
NS	`dns4.p01.nsone.net` ⚠️ Not in parent delegation
		A	2a00:edc0:6259:7:1::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns4.p01.nsone.net`
		A	198.51.45.65^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns4.p01.nsone.net`
NS	`dns4.p06.nsone.net` ⚠️ Not in zone NS records
		A	2a00:edc0:6259:7:6::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns4.p06.nsone.net`
		A	198.51.45.70^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns4.p06.nsone.net`
NS	`ns01.squarespacedns.com` ⚠️ Not in parent delegation
		A	45.54.22.1^{🇺🇸 NETACTUATE45.54.22.0/24}
			PTR	`ns01.squarespacedns.com`
NS	`ns02.squarespacedns.com` ⚠️ Not in parent delegation
		A	45.54.22.65^{🇺🇸 NETACTUATE45.54.22.0/24}
			PTR	`ns02.squarespacedns.com`
NS	`ns03.squarespacedns.com` ⚠️ Not in parent delegation
		A	45.54.22.129^{🇺🇸 NETACTUATE45.54.22.0/24}
			PTR	`ns03.squarespacedns.com`
NS	`ns04.squarespacedns.com` ⚠️ Not in parent delegation
		A	45.54.22.193^{🇺🇸 NETACTUATE45.54.22.0/24}
			PTR	`ns04.squarespacedns.com`
MX	`aspmx.l.google.com` ⭐
		A	2a00:1450:4013:c08::1a^{🇳🇱 Google2a00:1450:4013::/48}
			PTR	`en-in-f26.1e100.net`
		A	74.125.143.26^{🇺🇸 Google74.125.143.0/24}
			PTR	`ed-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:4025:4403::1a^{🇮🇪 Google2a00:1450:4025::/48}
			PTR	`yuskelf-in-f26.1e100.net`
		A	192.178.228.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`yuskelf-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:4025:c01::1a^{🇵🇱 Google2a00:1450:4025::/48}
			PTR	`rd-in-f26.1e100.net`
		A	142.250.147.27^{🇺🇸 Google142.250.147.0/24}
			PTR	`rd-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4010:c22::1b^{🇫🇮 Google2a00:1450:4010::/48}
			PTR	`yulpptr-in-f27.1e100.net`
		A	172.253.152.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yulpptr-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2404:6800:4000:1027::1a^{🇮🇳 Google2404:6800::/32}
			PTR	`ncboms-in-f26.1e100.net`
		A	192.179.20.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncboms-in-f26.1e100.net`
SOA	`dns1.p06.nsone.net`hostmaster@nsone.net serial=1524425051

`com`

	DNSSEC	⚠️ Not signed
	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=1793894881

Same first word

core4dev.com

Similar names

cod4ever.de

covered4.com

cod4ever.co.uk

doc4ever.app.br

devcore4.com

Previous names

Next names

core4development.com

core4disciples.com

core4dlink.com

core4domains.com

core4ebusiness.com

core4ed.com

core4element.com

core4elements.com

DNS History

18 records (18 active, 0 former)

●NSdns1.p01.nsone.net2026-11-05 → 2026-11-05 · 3 obs

○ 2020-11-06 00:46:58
● 2026-11-05 16:34:52
● 2026-11-05 16:34:56

●NSdns1.p06.nsone.net2018-05-14 → 2026-11-05 · 2 obs

● 2018-05-14 01:27:56
● 2026-11-05 16:34:56

●NSdns2.p01.nsone.net2026-11-05 → 2026-11-05 · 3 obs

○ 2020-11-06 00:46:58
● 2026-11-05 16:34:52
● 2026-11-05 16:34:56

●NSdns2.p06.nsone.net2018-05-14 → 2026-11-05 · 2 obs

● 2018-05-14 01:27:56
● 2026-11-05 16:34:56

●NSdns3.p01.nsone.net2026-11-05 → 2026-11-05 · 3 obs

○ 2020-11-06 00:46:58
● 2026-11-05 16:34:52
● 2026-11-05 16:34:56

●NSdns3.p06.nsone.net2018-05-14 → 2026-11-05 · 2 obs

● 2018-05-14 01:27:56
● 2026-11-05 16:34:56

●NSdns4.p01.nsone.net2026-11-05 → 2026-11-05 · 3 obs

○ 2020-11-06 00:46:58
● 2026-11-05 16:34:52
● 2026-11-05 16:34:56

●NSdns4.p06.nsone.net2018-05-14 → 2026-11-05 · 2 obs

● 2018-05-14 01:27:56
● 2026-11-05 16:34:56

●NSns01.squarespacedns.com2020-11-06 → 2026-11-05 · 3 obs

○ 2018-05-14 01:27:56
● 2020-11-06 00:46:58
● 2026-11-05 16:34:56

●NSns02.squarespacedns.com2020-11-06 → 2026-11-05 · 3 obs

○ 2018-05-14 01:27:56
● 2020-11-06 00:46:58
● 2026-11-05 16:34:56

●NSns03.squarespacedns.com2020-11-06 → 2026-11-05 · 3 obs

○ 2018-05-14 01:27:56
● 2020-11-06 00:46:58
● 2026-11-05 16:34:56

●NSns04.squarespacedns.com2020-11-06 → 2026-11-05 · 3 obs

○ 2018-05-14 01:27:56
● 2020-11-06 00:46:58
● 2026-11-05 16:34:56

●MXalt1.aspmx.l.google.com2018-05-14 → 2026-11-05 · 2 obs

● 2018-05-14 01:27:56
● 2026-11-05 16:34:56

●MXalt2.aspmx.l.google.com2018-05-14 → 2026-11-05 · 2 obs

● 2018-05-14 01:27:56
● 2026-11-05 16:34:56

●MXalt3.aspmx.l.google.com2018-05-14 → 2026-11-05 · 2 obs

● 2018-05-14 01:27:56
● 2026-11-05 16:34:56

●MXalt4.aspmx.l.google.com2018-05-14 → 2026-11-05 · 2 obs

● 2018-05-14 01:27:56
● 2026-11-05 16:34:56

●MXaspmx.l.google.com2018-05-14 → 2026-11-05 · 2 obs

● 2018-05-14 01:27:56
● 2026-11-05 16:34:56

●A107.180.20.842018-05-14 → 2026-11-05 · 2 obs

● 2018-05-14 01:27:56
● 2026-11-05 16:34:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
core4dev.com	dns1.p06.nsone.net, dns2.p06.nsone.net, dns3.p06.nsone.net, dns4.p06.nsone.net	-

✅ Authoritative Response

Server:198.51.45.70

NS records: dns1.p06.nsone.net, dns2.p06.nsone.net, dns3.p06.nsone.net, dns4.p06.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for core4dev.com (unsigned zone)

⏱️ Timing

Total: 1406ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`107.180.20.84`
NS	8	`dns1.p01.nsone.net, dns2.p01.nsone.net...`
MX	5	`alt4.aspmx.l.google.com (pri: 10), alt2.aspmx.l.google.com (pri: 5)...`
SOA	1	`dns1.p06.nsone.net hostmaster.nsone.net`

Analysis

IP Addresses

core4dev.com directs to one IP number, which is 107.180.20.84.

Among the host names that share IP numbers with core4dev.com are interwebcafe.net, legendsacademy.org, mail.interwebcafe.net and two others.

Name Servers

core4dev.com is delegated to 12 name servers: ns01.squarespacedns.com, ns02.squarespacedns.com, ns03.squarespacedns.com and 9 other.

core4dev.com shares at least some of its name servers with other domains, including ironcladfit.org, onebillionpoints.com, simponione-costsupport.com and two others.

These name servers are frequently seen alongside ns04.squarespacedns.com, dns1.p01.nsone.net, dns1.p06.nsone.net and 7 other name servers.

Hosts with two IP numbers each:

dns1.p01.nsone.net points to 198.51.44.1 and 2620:4d:4000:6259:7:1:0:1.

dns2.p01.nsone.net points to 198.51.45.1 and 2a00:edc0:6259:7:1::2.

dns3.p01.nsone.net points to 198.51.44.65 and 2620:4d:4000:6259:7:1:0:3.

dns4.p01.nsone.net points to 198.51.45.65 and 2a00:edc0:6259:7:1::4.

dns1.p06.nsone.net points to 198.51.44.6 and 2620:4d:4000:6259:7:6:0:1.

dns2.p06.nsone.net points to 198.51.45.6 and 2a00:edc0:6259:7:6::2.

dns3.p06.nsone.net points to 198.51.44.70 and 2620:4d:4000:6259:7:6:0:3.

dns4.p06.nsone.net points to 198.51.45.70 and 2a00:edc0:6259:7:6::4.

Hosts that resolve to one IP address:

ns01.squarespacedns.com points to 45.54.22.1.

ns02.squarespacedns.com points to 45.54.22.65.

ns03.squarespacedns.com points to 45.54.22.129.

ns04.squarespacedns.com points to 45.54.22.193.

Mail Servers

Mail for core4dev.com is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

core4dev.com shares at least some of its mail servers with other domains — for example longevity-access.com, centroauditivosusanasaenz.com, x-mobileranger.com and two more.

It is common for these mail servers to co-occur with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com as mail servers.

Hosts with two IP numbers each:

aspmx.l.google.com points to 74.125.143.26 and 2a00:1450:4013:c08::1a.

alt1.aspmx.l.google.com points to 192.178.228.27 and 2a00:1450:4025:4403::1a.

alt2.aspmx.l.google.com points to 142.250.147.27 and 2a00:1450:4025:c01::1a.

alt3.aspmx.l.google.com points to 172.253.152.26 and 2a00:1450:4010:c22::1b.

alt4.aspmx.l.google.com points to 192.179.20.26 and 2404:6800:4000:1027::1a.