`preparefirst.com`

DNSSEC	⚠️ Not signed
A	38.121.43.210^{🇺🇸 AS6302338.121.43.0/24 customer route gthost}
		PTR	`athena.zjstech.net`
NS	`ns1.zjstech.net` ⭐
		A	192.3.229.7^{🇺🇸 Colocrossing-AS192.3.228.0/22}
			PTR	`192-3-229-7-host.colocrossing.com`
NS	`ns2.zjstech.net`
		A	89.117.120.35^{🇺🇸 Limestone Networks89.117.120.0/24}
NS	`ns3.zjstech.net` ⚠️ Not in parent delegation
		A	23.95.184.229^{🇺🇸 Colocrossing-AS23.95.184.0/22}
			PTR	`23-95-184-229-host.colocrossing.com`
MX	`mail.preparefirst.com` ⭐
		A	38.121.43.210^{🇺🇸 AS6302338.121.43.0/24 customer route gthost}
			PTR	`athena.zjstech.net`
TXT	`v=spf1 +a +mx -all`
TXT	`v=DMARC1; p=none; fo=1; rua=mailto:rstern@zjstech.com; ruf=mailto:rstern@zjst...`
SOA	`ns1.zjstech.net`rcarter@preparefirst.com 2026-03-10 #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=1776224172

Subdomains

mail.preparefirst.com

Same first word

preparefirst.com

preparefirst.org

DNS History

7 records (5 active, 2 former)

●NSns1.zjstech.net2015-05-20 → 2026-04-15 · 4 obs

● 2015-05-20 16:56:24
○ 2015-09-24 04:47:06
● 2017-04-09 09:49:30
● 2026-04-15 03:47:10

●NSns2.zjstech.net2015-05-20 → 2026-04-15 · 2 obs

● 2015-05-20 16:56:24
● 2026-04-15 03:47:10

●NSns3.zjstech.net2026-02-23 → 2026-04-15 · 3 obs

○ 2017-04-09 09:49:30
● 2026-02-23 16:19:50
● 2026-04-15 03:47:10

●MXmail.preparefirst.com2015-05-20 → 2026-04-15 · 2 obs

● 2015-05-20 16:56:24
● 2026-04-15 03:47:10

○A131.153.6.1712015-09-24 → 2017-04-09 · 5 obs

○ 2015-05-20 16:56:24
● 2015-09-24 04:47:06
● 2017-04-09 09:49:30
○ 2026-02-23 16:19:50
○ 2026-04-15 03:47:10

○A198.24.162.2332015-05-20 → 2015-05-20 · 3 obs

● 2015-05-20 16:56:24
○ 2015-09-24 04:47:06
○ 2026-04-15 03:47:10

●A38.121.43.2102026-02-23 → 2026-04-15 · 3 obs

○ 2017-04-09 09:49:30
● 2026-02-23 16:19:50
● 2026-04-15 03:47:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
preparefirst.com	ns1.zjstech.net, ns2.zjstech.net	-

✅ Authoritative Response

Server:192.3.229.7

NS records: ns1.zjstech.net, ns2.zjstech.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for preparefirst.com (unsigned zone)

⏱️ Timing

Total: 448ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`38.121.43.210`
NS	3	`ns2.zjstech.net, ns3.zjstech.net...`
MX	1	`mail.preparefirst.com (pri: 10)`
TXT	2	`v=DMARC1; p=none; fo=1; rua=mailto:rster, v=spf1 +a +mx -all`
SOA	1	`ns1.zjstech.net rcarter.preparefirst.com`

Analysis

Hierarchy

preparefirst.com is a parent of mail.preparefirst.com.

IP Addresses

preparefirst.com points to a single IP number: 38.121.43.210.

Other host names, for instance westleycontract.com, alexanderbabbage.com, mail.susansnaps.com, mail.grayghostweb.com and zjstech.net share IP numbers with preparefirst.com.

Name Servers

The delegation for preparefirst.com is handled by three name servers: ns1.zjstech.net, ns2.zjstech.net and ns3.zjstech.net.

preparefirst.com at least partially shares name servers with other domains, for instance finderseekers.com, elioowners.com, onehourmessengers.com, preparefirst.org and virtualmeetingsbook.com.

Host names with one IP number:

ns1.zjstech.net points to 192.3.229.7.

ns2.zjstech.net points to 89.117.120.35.

ns3.zjstech.net points to 23.95.184.229.

Mail Servers

preparefirst.com is handled by a single mail server, mail.preparefirst.com.

mail.preparefirst.com points to a single IP: 38.121.43.210.

preparefirst.com - robtex.com