`harmonic-concepts.com`

DNSSEC	⚠️ Not signed
A	209.124.66.21^{🇺🇸 A2HOSTING209.124.66.0/23 SITEPROTECT}
		PTR	`nl1-cl9-its1.a2hosting.com`
NS	`ns1.a2hosting.com` ⭐
		A	13.248.158.180^{🇺🇸 Amazon13.248.144.0/20}
			PTR	`a79764cc55c0ac9c0.awsglobalaccelerator.com`
NS	`ns2.a2hosting.com`
		A	75.2.118.134^{🇺🇸 Amazon75.2.112.0/20}
			PTR	`abc65dd9a44b5332f.awsglobalaccelerator.com`
NS	`ns3.a2hosting.com`
		A	76.223.26.245^{🇺🇸 Amazon76.223.16.0/20}
			PTR	`a79764cc55c0ac9c0.awsglobalaccelerator.com`
NS	`ns4.a2hosting.com`
		A	99.83.147.209^{🇺🇸 Amazon99.83.144.0/20}
			PTR	`abc65dd9a44b5332f.awsglobalaccelerator.com`
MX	`mail.harmonic-concepts.com` ⭐
		A	209.124.66.21^{🇺🇸 A2HOSTING209.124.66.0/23 SITEPROTECT}
			PTR	`nl1-cl9-its1.a2hosting.com`
TXT	`v=spf1 +a +mx +ip4:209.124.66.21 include:spf.a2hosting.com ~all`
SOA	`ns1.a2hosting.com`root@nl1-cl9-its1.a2hosting.com 2026-03-06 #7

`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=1774382122

Same first word

harmonic-concepts.com

DNS History

6 records (6 active, 0 former)

●NSns1.a2hosting.com2026-03-15 → 2026-03-24 · 2 obs

● 2026-03-15 04:29:22
● 2026-03-24 20:10:44

●NSns2.a2hosting.com2026-03-15 → 2026-03-24 · 2 obs

● 2026-03-15 04:29:22
● 2026-03-24 20:10:44

●NSns3.a2hosting.com2026-03-15 → 2026-03-24 · 2 obs

● 2026-03-15 04:29:22
● 2026-03-24 20:10:44

●NSns4.a2hosting.com2026-03-15 → 2026-03-24 · 2 obs

● 2026-03-15 04:29:22
● 2026-03-24 20:10:44

●MXmail.harmonic-concepts.com2026-03-15 → 2026-03-24 · 2 obs

● 2026-03-15 04:29:22
● 2026-03-24 20:10:44

●A209.124.66.212026-03-15 → 2026-03-24 · 2 obs

● 2026-03-15 04:29:22
● 2026-03-24 20:10:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
harmonic-concepts.com	ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com, ns4.a2hosting.com	4 records

✅ Authoritative Response

Server:75.2.118.134

NS records: ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com, ns4.a2hosting.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for harmonic-concepts.com (unsigned zone)

⏱️ Timing

Total: 92ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`209.124.66.21`
NS	4	`ns4.a2hosting.com, ns3.a2hosting.com...`
MX	1	`mail.harmonic-concepts.com (pri: 0)`
TXT	1	`v=spf1 +a +mx +ip4:209.124.66.21 include`
SOA	1	`ns1.a2hosting.com root.nl1-cl9-its1.a2ho`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com...)

Analysis

IP Addresses

harmonic-concepts.com points to IP number: 209.124.66.21.

Other host names such as nacht-lust.com, lingcosms.com, mail1.hik.hu, hydroarabia.com and oziane.com share IPs with harmonic-concepts.com.

Name Servers

harmonic-concepts.com is delegated to four name servers: ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com and ns4.a2hosting.com.

harmonic-concepts.com at least partially shares name servers with other domains, for instance almadarfortrading.com, apexmark.com, paully.net, strangepics.net and forensedigital.com.br.

these name servers are commonly used with ns1.mysecurecloudhost.com, ns2.mysecurecloudhost.com, ns3.mysecurecloudhost.com and ns4.mysecurecloudhost.com.

Host names with one IP number:

ns1.a2hosting.com points to 13.248.158.180.

ns2.a2hosting.com points to 75.2.118.134.

ns3.a2hosting.com points to 76.223.26.245.

ns4.a2hosting.com points to 99.83.147.209.

Mail Servers

harmonic-concepts.com is handled by a single mail server, mail.harmonic-concepts.com.

mail.harmonic-concepts.com points to a single IP: 209.124.66.21.

harmonic-concepts.com - robtex.com