`passiveconcepts.com`

DNSSEC	⚠️ Not signed
A	162.255.119.174^{🇺🇸 NAMCHEAP-PH}
NS	`dns1.registrar-servers.com` ⭐
		A	2610:a1:1024::200^{🇺🇸 MAINT-ID-12008}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
		A	156.154.132.200^{🇺🇸 MAINT-ID-12008}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
NS	`dns2.registrar-servers.com`
		A	2610:a1:1025::200^{🇺🇸 MAINT-ID-12008}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
		A	156.154.133.200^{🇺🇸 MAINT-ID-12008}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
MX	`eforward1.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward2.registrar-servers.com` ⭐
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward3.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward4.registrar-servers.com`⁽¹⁵⁾
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward5.registrar-servers.com`⁽²⁰⁾
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
SOA	`dns1.registrar-servers.com`hostmaster@registrar-servers.com serial=1678947214

`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=1771291435

DNS History

14 records (8 active, 6 former)

●NSdns1.registrar-servers.com2026-02-23 → 2026-02-23 · 3 obs

○ 2017-02-17 22:34:18
● 2026-02-23 07:00:02
● 2026-02-23 07:00:04

●NSdns2.registrar-servers.com2026-02-23 → 2026-02-23 · 3 obs

○ 2017-02-17 22:34:18
● 2026-02-23 07:00:02
● 2026-02-23 07:00:04

○NSns75.domaincontrol.com2015-10-26 → 2015-10-26 · 3 obs

● 2015-10-26 16:52:44
○ 2017-02-17 22:34:18
○ 2026-02-23 07:00:04

○NSns76.domaincontrol.com2015-10-26 → 2015-10-26 · 3 obs

● 2015-10-26 16:52:44
○ 2017-02-17 22:34:18
○ 2026-02-23 07:00:04

●MXeforward1.registrar-servers.com2026-02-23 → 2026-02-23 · 3 obs

○ 2017-02-17 22:34:18
● 2026-02-23 07:00:02
● 2026-02-23 07:00:04

●MXeforward2.registrar-servers.com2026-02-23 → 2026-02-23 · 3 obs

○ 2017-02-17 22:34:18
● 2026-02-23 07:00:02
● 2026-02-23 07:00:04

●MXeforward3.registrar-servers.com2026-02-23 → 2026-02-23 · 3 obs

○ 2017-02-17 22:34:18
● 2026-02-23 07:00:02
● 2026-02-23 07:00:04

●MXeforward4.registrar-servers.com2026-02-23 → 2026-02-23 · 3 obs

○ 2017-02-17 22:34:18
● 2026-02-23 07:00:02
● 2026-02-23 07:00:04

●MXeforward5.registrar-servers.com2026-02-23 → 2026-02-23 · 3 obs

○ 2017-02-17 22:34:18
● 2026-02-23 07:00:02
● 2026-02-23 07:00:04

○MXmailstore1.secureserver.net2015-10-26 → 2015-10-26 · 3 obs

● 2015-10-26 16:52:44
○ 2017-02-17 22:34:18
○ 2026-02-23 07:00:04

○MXsmtp.secureserver.net2015-10-26 → 2015-10-26 · 3 obs

● 2015-10-26 16:52:44
○ 2017-02-17 22:34:18
○ 2026-02-23 07:00:04

○A108.167.189.342016-04-08 → 2016-04-08 · 4 obs

○ 2015-10-26 16:52:44
● 2016-04-08 16:32:36
○ 2017-02-17 22:34:18
○ 2026-02-23 07:00:04

●A162.255.119.1742026-02-23 → 2026-02-23 · 3 obs

○ 2017-02-17 22:34:18
● 2026-02-23 07:00:02
● 2026-02-23 07:00:04

○A50.63.202.612015-10-26 → 2015-10-26 · 3 obs

● 2015-10-26 16:52:44
○ 2016-04-08 16:32:36
○ 2026-02-23 07:00:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
passiveconcepts.com	dns1.registrar-servers.com, dns2.registrar-servers.com	-

✅ Authoritative Response

Server: 156.154.133.200

NS records: dns1.registrar-servers.com, dns2.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for passiveconcepts.com (unsigned zone)

⏱️ Timing

Total: 68ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`162.255.119.174`
NS	2	`dns1.registrar-servers.com, dns2.registrar-servers.com`
MX	5	`eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...`
TXT	1	`v=spf1 include:spf.efwd.registrar-server`
SOA	1	`dns1.registrar-servers.com hostmaster.re`

AI analysis

passiveconcepts.com resolves to one IP number: 162.255.119.174.

other host names including tubesong.com, avispneu.com, esimbox.com, magenboys.com and martijn-spierenburg.com share IP numbers with passiveconcepts.com.

passiveconcepts.com is delegated to two name servers dns1.registrar-servers.com and dns2.registrar-servers.com.

passiveconcepts.com shares the same name server setup as other domains, for instance woodahl.us, aestinvx.lol, 2ware.com, workmanw.io and nichan.org.

passiveconcepts.com at least partially shares name servers with other domains, for instance yourcaregivercoach.com, dudesthat(0x6675636b).com, ethereum.limited, donaldcronin.com and redwellb2b.com.

These name servers are commonly used with dns3.registrar-servers.com, dns4.registrar-servers.com and dns5.registrar-servers.com.

Host names with two IP numbers:

The host name dns1.registrar-servers.com points to 2610:a1:1024::200 and 156.154.132.200; the host name dns2.registrar-servers.com points to 2610:a1:1025::200 and 156.154.133.200.

passiveconcepts.com is handled by five mail servers: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com, eforward4.registrar-servers.com and eforward5.registrar-servers.com.

passiveconcepts.com shares some mail servers with other domains, at least partially, for instance webspringsites.com, flashrats.com, bk5.us, cluehub.com and niotaq.com.