`c21hre.com`

DNSSEC	⚠️ Not signed
NS	`ns1.linode.com` ⭐
		A	2600:14c0:6::2^{🇺🇸 Akamai2600:14c0:6::/48 Technologies}
			PTR	`c1-2.akashield.net`
		A	92.123.94.2^{🇳🇱 Akamai92.123.94.0/24 Technologies}
			PTR	`c1-2.akashield.net`
NS	`ns2.linode.com`
		A	2600:14c0:6::3^{🇺🇸 Akamai2600:14c0:6::/48 Technologies}
			PTR	`c1-3.akashield.net`
		A	92.123.94.3^{🇳🇱 Akamai92.123.94.0/24 Technologies}
			PTR	`c1-3.akashield.net`
NS	`ns3.linode.com`
		A	2600:14c0:7::3^{🇺🇸 Akamai2600:14c0:7::/48 Technologies}
			PTR	`c2-3.akashield.net`
		A	92.123.95.3^{🇳🇱 Akamai92.123.95.0/24 Technologies}
			PTR	`c2-3.akashield.net`
NS	`ns4.linode.com`
		A	2600:14c0:7::4^{🇺🇸 Akamai2600:14c0:7::/48 Technologies}
			PTR	`c2-4.akashield.net`
		A	92.123.95.4^{🇳🇱 Akamai92.123.95.0/24 Technologies}
			PTR	`c2-4.akashield.net`
NS	`ns5.linode.com`
		A	2600:14c0:7::2^{🇺🇸 Akamai2600:14c0:7::/48 Technologies}
			PTR	`c2-2.akashield.net`
		A	92.123.95.2^{🇳🇱 Akamai92.123.95.0/24 Technologies}
			PTR	`c2-2.akashield.net`
MX	`mailer.mxnetworks.org` ⭐
		A	159.69.34.222^{🇩🇪 Hetzner159.69.0.0/16 HETZNER-DC}
			PTR	`courier.mxnetworks.org`
TXT	`v=spf1 mx -all`
SOA	`ns1.linode.com`dns@linode.com 2024-01-31 #1

`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=1785473912

Same first word

c21hre.com

DNS History

10 records (6 active, 4 former)

○NSdora.ns.cloudflare.com2015-07-17 → 2017-05-22 · 4 obs

● 2015-07-17 07:32:50
● 2017-05-22 15:06:38
○ 2026-03-29 05:03:30
○ 2026-07-31 05:07:02

○NSivan.ns.cloudflare.com2015-07-17 → 2017-05-22 · 4 obs

● 2015-07-17 07:32:50
● 2017-05-22 15:06:38
○ 2026-03-29 05:03:30
○ 2026-07-31 05:07:02

●NSns1.linode.com2026-03-29 → 2026-07-31 · 3 obs

○ 2017-05-22 15:06:38
● 2026-03-29 05:03:30
● 2026-07-31 05:07:02

●NSns2.linode.com2026-03-29 → 2026-07-31 · 3 obs

○ 2017-05-22 15:06:38
● 2026-03-29 05:03:30
● 2026-07-31 05:07:02

●NSns3.linode.com2026-03-29 → 2026-07-31 · 3 obs

○ 2017-05-22 15:06:38
● 2026-03-29 05:03:30
● 2026-07-31 05:07:02

●NSns4.linode.com2026-03-29 → 2026-07-31 · 3 obs

○ 2017-05-22 15:06:38
● 2026-03-29 05:03:30
● 2026-07-31 05:07:02

●NSns5.linode.com2026-03-29 → 2026-07-31 · 3 obs

○ 2017-05-22 15:06:38
● 2026-03-29 05:03:30
● 2026-07-31 05:07:02

○MXmailer.c21hre.com2015-07-17 → 2017-05-22 · 4 obs

● 2015-07-17 07:32:50
● 2017-05-22 15:06:38
○ 2026-03-29 05:03:30
○ 2026-07-31 05:07:02

●MXmailer.mxnetworks.org2026-03-29 → 2026-07-31 · 3 obs

○ 2017-05-22 15:06:38
● 2026-03-29 05:03:30
● 2026-07-31 05:07:02

○A185.53.177.202015-07-17 → 2017-05-22 · 4 obs

● 2015-07-17 07:32:50
● 2017-05-22 15:06:38
○ 2026-03-29 05:03:30
○ 2026-07-31 05:07:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net...	-
c21hre.com	ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com...	10 records

✅ Authoritative Response

Server:92.123.94.2

NS records: ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com, ns5.linode.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for c21hre.com (unsigned zone)

⏱️ Timing

Total: 939ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	5	`ns4.linode.com, ns3.linode.com...`
MX	1	`mailer.mxnetworks.org (pri: 10)`
TXT	1	`v=spf1 mx -all`
SOA	1	`ns1.linode.com dns.linode.com`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns1.linode.com, ns1.linode.com, ns2.linode.com...)

Analysis

Name Servers

c21hre.com has five name servers, which are ns1.linode.com, ns2.linode.com, ns3.linode.com and two others.

c21hre.com shares at least some of its name servers with other domains, including stephenplatz.com, freestatistics.net, timestored.com and two others.

These name servers are frequently paired with the name servers ns4.linode.com and ns5.linode.com.

Hostnames that resolve to two IP addresses:

ns1.linode.com points to 92.123.94.2 and 2600:14c0:6::2.

ns2.linode.com points to 92.123.94.3 and 2600:14c0:6::3.

ns3.linode.com points to 92.123.95.3 and 2600:14c0:7::3.

ns4.linode.com points to 92.123.95.4 and 2600:14c0:7::4.

ns5.linode.com points to 92.123.95.2 and 2600:14c0:7::2.