corereference.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`corereference.com`

DNSSEC	⚠️ Not signed
NS	`pdns205.ultradns.com` ⭐
		A	2001:502:f3ff::f1^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`pdns205.ultradns.com`
		A	156.154.64.205^{🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar}
			PTR	`pdns205.ultradns.com`
NS	`dns1.p04.nsone.net`
		A	2620:4d:4000:6259:7:4:0:1^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns1.p04.nsone.net`
		A	198.51.44.4^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns1.p04.nsone.net`
NS	`dns2.p04.nsone.net`
		A	2a00:edc0:6259:7:4::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p04.nsone.net`
		A	198.51.45.4^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns2.p04.nsone.net`
NS	`dns3.p04.nsone.net`
		A	2620:4d:4000:6259:7:4:0:3^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns3.p04.nsone.net`
		A	198.51.44.68^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns3.p04.nsone.net`
NS	`dns4.p04.nsone.net`
		A	2a00:edc0:6259:7:4::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns4.p04.nsone.net`
		A	198.51.45.68^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns4.p04.nsone.net`
NS	`pdns205.ultradns.biz`
		A	2610:a1:1015::f1^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`pdns205.ultradns.biz`
		A	156.154.66.205^{🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar}
			PTR	`pdns205.ultradns.biz`
NS	`pdns205.ultradns.net`
		A	2610:a1:1014::f1^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`pdns205.ultradns.net`
		A	156.154.65.205^{🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar}
			PTR	`pdns205.ultradns.net`
NS	`pdns205.ultradns.org`
		A	2001:502:4612::f1^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`pdns205.ultradns.org`
		A	156.154.67.205^{🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar}
			PTR	`pdns205.ultradns.org`
SOA	`pdns205.ultradns.com`domainadmin@morningstar.com 2012-05-04 #19

`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=1789732503

Same first word

corereference.info

corereference.com

corereference.lat

Similar names

referencecore.xyz

referencecore.com

Previous names

Next names

DNS History

8 records (8 active, 0 former)

●NSdns1.p04.nsone.net2026-02-21 → 2026-09-18 · 3 obs

○ 2015-07-01 04:29:08
● 2026-02-21 11:09:24
● 2026-09-18 12:02:38

●NSdns2.p04.nsone.net2026-02-21 → 2026-09-18 · 3 obs

○ 2015-07-01 04:29:08
● 2026-02-21 11:09:24
● 2026-09-18 12:02:38

●NSdns3.p04.nsone.net2026-02-21 → 2026-09-18 · 3 obs

○ 2015-07-01 04:29:08
● 2026-02-21 11:09:24
● 2026-09-18 12:02:38

●NSdns4.p04.nsone.net2026-02-21 → 2026-09-18 · 3 obs

○ 2015-07-01 04:29:08
● 2026-02-21 11:09:24
● 2026-09-18 12:02:38

●NSpdns205.ultradns.biz2015-07-01 → 2026-09-18 · 3 obs

○ 2008-03-18 20:39:02
● 2015-07-01 04:29:08
● 2026-09-18 12:02:38

●NSpdns205.ultradns.com2015-07-01 → 2026-09-18 · 3 obs

○ 2008-03-18 20:39:02
● 2015-07-01 04:29:08
● 2026-09-18 12:02:38

●NSpdns205.ultradns.net2015-07-01 → 2026-09-18 · 3 obs

○ 2008-03-18 20:39:02
● 2015-07-01 04:29:08
● 2026-09-18 12:02:38

●NSpdns205.ultradns.org2015-07-01 → 2026-09-18 · 3 obs

○ 2008-03-18 20:39:02
● 2015-07-01 04:29:08
● 2026-09-18 12:02:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net...	-
corereference.com	dns1.p04.nsone.net, dns2.p04.nsone.net, dns3.p04.nsone.net, dns4.p04.nsone.net...	2 records

✅ Authoritative Response

Server:198.51.44.4

NS records: dns1.p04.nsone.net, dns2.p04.nsone.net, dns3.p04.nsone.net, dns4.p04.nsone.net, pdns205.ultradns.net, pdns205.ultradns.com, pdns205.ultradns.biz, pdns205.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for corereference.com (unsigned zone)

⏱️ Timing

Total: 540ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	8	`dns4.p04.nsone.net, dns3.p04.nsone.net...`
SOA	1	`pdns205.ultradns.com domainadmin.morning`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (pdns205.ultradns.com, pdns205.ultradns.com)

Analysis

Name Servers

The DNS delegation for corereference.com covers 8 name servers: pdns205.ultradns.biz, pdns205.ultradns.com, pdns205.ultradns.net and 5 more.

There is at least partial name server overlap between corereference.com and other domains — brightenacademy.net, kinnura.ca, eastbayfst.com and two more among them.

These name servers regularly appear alongside dns1.p04.nsone.net, dns2.p04.nsone.net, dns3.p04.nsone.net and 7 other name servers in NS record sets.

Host names with two IP numbers:

pdns205.ultradns.biz maps to two IP addresses — 156.154.66.205 and 2610:a1:1015::f1.

pdns205.ultradns.com maps to two IP addresses — 156.154.64.205 and 2001:502:f3ff::f1.

pdns205.ultradns.net maps to two IP addresses — 156.154.65.205 and 2610:a1:1014::f1.

pdns205.ultradns.org maps to two IP addresses — 156.154.67.205 and 2001:502:4612::f1.

dns1.p04.nsone.net maps to two IP addresses — 198.51.44.4 and 2620:4d:4000:6259:7:4:0:1.

dns2.p04.nsone.net maps to two IP addresses — 198.51.45.4 and 2a00:edc0:6259:7:4::2.

dns3.p04.nsone.net maps to two IP addresses — 198.51.44.68 and 2620:4d:4000:6259:7:4:0:3.

dns4.p04.nsone.net maps to two IP addresses — 198.51.45.68 and 2a00:edc0:6259:7:4::4.