`core-online.net`

DNSSEC	⚠️ Not signed
NS	`ns1.digitalocean.com` ⭐
		A	2606:4700:52::ac40:34d2^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
		A	172.64.52.210^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
NS	`ns2.digitalocean.com`
		A	2606:4700:5a::ac40:3515^{🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
		A	172.64.53.21^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
NS	`ns3.digitalocean.com`
		A	2606:4700:52::ac40:31d1^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
		A	172.64.49.209^{🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
SOA	`ns1.digitalocean.com`hostmaster@core-online.net serial=1775071226

`net`

	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=1776711632

WOT: SAFE (50/100)

Same first word

core-online.com.tw

core-online.org

core-online.net

Similar names

reco-online.com

ecro-online.com

DNS History

16 records (3 active, 13 former)

●NSns1.digitalocean.com2026-04-14 → 2026-04-20 · 3 obs

○ 2017-04-09 05:01:34
● 2026-04-14 09:12:42
● 2026-04-20 19:19:08

○NSns15.domaincontrol.com2015-08-11 → 2016-03-21 · 5 obs

○ 2007-09-18 17:27:40
● 2015-08-11 02:55:46
● 2016-03-21 22:40:24
○ 2017-04-09 05:01:34
○ 2026-04-20 19:19:08

○NSns16.domaincontrol.com2015-08-11 → 2016-03-21 · 5 obs

○ 2007-09-18 17:27:40
● 2015-08-11 02:55:46
● 2016-03-21 22:40:24
○ 2017-04-09 05:01:34
○ 2026-04-20 19:19:08

●NSns2.digitalocean.com2026-04-14 → 2026-04-20 · 3 obs

○ 2017-04-09 05:01:34
● 2026-04-14 09:12:42
● 2026-04-20 19:19:08

○NSns29.domaincontrol.com2017-04-09 → 2017-04-09 · 4 obs

○ 2016-03-21 22:40:24
● 2017-04-09 05:01:34
○ 2026-04-14 09:12:42
○ 2026-04-20 19:19:08

●NSns3.digitalocean.com2026-04-14 → 2026-04-20 · 3 obs

○ 2017-04-09 05:01:34
● 2026-04-14 09:12:42
● 2026-04-20 19:19:08

○NSns30.domaincontrol.com2017-04-09 → 2017-04-09 · 4 obs

○ 2016-03-21 22:40:24
● 2017-04-09 05:01:34
○ 2026-04-14 09:12:42
○ 2026-04-20 19:19:08

○NSpark15.secureserver.net2007-09-18 → 2007-09-18 · 3 obs

● 2007-09-18 17:27:40
○ 2015-08-11 02:55:46
○ 2026-04-20 19:19:08

○NSpark16.secureserver.net2007-09-18 → 2007-09-18 · 3 obs

● 2007-09-18 17:27:40
○ 2015-08-11 02:55:46
○ 2026-04-20 19:19:08

○MXmailstore1.secureserver.net2007-09-18 → 2017-04-09 · 4 obs

● 2007-09-18 17:27:40
● 2017-04-09 05:01:34
○ 2026-04-14 09:12:42
○ 2026-04-20 19:19:08

○MXsmtp.secureserver.net2007-09-18 → 2017-04-09 · 4 obs

● 2007-09-18 17:27:40
● 2017-04-09 05:01:34
○ 2026-04-14 09:12:42
○ 2026-04-20 19:19:08

○A184.168.221.332017-04-09 → 2017-04-09 · 4 obs

○ 2016-07-11 20:06:04
● 2017-04-09 05:01:34
○ 2026-04-14 09:12:42
○ 2026-04-20 19:19:08

○A184.168.221.912016-03-21 → 2016-03-21 · 4 obs

○ 2015-12-05 22:32:20
● 2016-03-21 22:40:24
○ 2016-07-11 20:06:04
○ 2026-04-20 19:19:08

○A50.63.202.92015-08-11 → 2015-12-05 · 5 obs

○ 2007-09-18 17:27:40
● 2015-08-11 02:55:46
● 2015-12-05 22:32:20
○ 2016-03-21 22:40:24
○ 2026-04-20 19:19:08

○A50.87.144.912016-07-11 → 2016-07-11 · 4 obs

○ 2016-03-21 22:40:24
● 2016-07-11 20:06:04
○ 2017-04-09 05:01:34
○ 2026-04-20 19:19:08

○A64.202.189.1702007-09-18 → 2007-09-18 · 3 obs

● 2007-09-18 17:27:40
○ 2015-08-11 02:55:46
○ 2026-04-20 19:19:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
core-online.net	ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com	-

✅ Authoritative Response

Server:172.64.52.210

NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for core-online.net (unsigned zone)

⏱️ Timing

Total: 299ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns1.digitalocean.com, ns3.digitalocean.com...`
SOA	1	`ns1.digitalocean.com hostmaster.core-onl`

Analysis

Name Servers

core-online.net delegates to three name servers: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.

core-online.net shares some name servers with other domains, for example weboutlook.dk, tarfac.com, thedeeg.com, sb.nethesis.it and firstwestvote.com.

Host names with two IP numbers:

ns1.digitalocean.com: 2606:4700:52::ac40:34d2 and 172.64.52.210

ns2.digitalocean.com: 2606:4700:5a::ac40:3515 and 172.64.53.21

ns3.digitalocean.com: 2606:4700:52::ac40:31d1 and 172.64.49.209

core-online.net - robtex.com

core-online.net

net

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Name Servers

`core-online.net`

`net`