firstdrs.com - dns.ninja

`firstdrs.com`

DNSSEC	⚠️ Not signed
A	117.122.212.198^{🇨🇳 CHINANET-BJ-METRO117.122.212.0/24 register for user}
NS	`firstdrs.com` ⭐
		A	117.122.212.198^{🇨🇳 CHINANET-BJ-METRO117.122.212.0/24 register for user}
NS	`ns1.5read.com`
		A	42.62.2.183^{🇨🇳 CHINA-142.62.0.0/21 China Telecom Beijing Co. Ltd.}
NS	`ns2.5read.com`
		A	140.210.72.249^{🇨🇳 CHINA169-BJ140.210.72.0/24 CMI (Customer Route)}
NS	`ns3.5read.com` ⚠️ Not in parent delegation
		A	120.92.71.242^{🇨🇳 KINGSOFT-2120.92.64.0/21 CT BeiJing IDC}
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
TXT	`v=spf1include:spf.mail.qq.com~all`
SOA	`firstdrs.com`root@firstdrs.com 2023-07-27 #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=1784677802

WOT: SAFE (60/100)

NS for

firstdrs.com

Subdomains

www.firstdrs.com

Same first word

firstdrs.com

Similar names

drsfirst.com

DNS History

12 records (7 active, 5 former)

●NSfirstdrs.com2015-08-18 → 2026-07-22 · 3 obs

○ 2009-01-09 12:49:18
● 2015-08-18 23:22:00
● 2026-07-22 00:16:28

●NSns1.5read.com2009-01-09 → 2026-07-22 · 2 obs

● 2009-01-09 12:49:18
● 2026-07-22 00:16:28

●NSns2.5read.com2009-01-09 → 2026-07-22 · 2 obs

● 2009-01-09 12:49:18
● 2026-07-22 00:16:28

●NSns3.5read.com2015-08-18 → 2026-07-22 · 3 obs

○ 2009-01-09 12:49:18
● 2015-08-18 23:22:00
● 2026-07-22 00:16:28

○MXmx01.263xmail.com2009-01-09 → 2009-01-09 · 3 obs

● 2009-01-09 12:49:18
○ 2015-08-18 23:22:00
○ 2026-07-22 00:16:28

○MXmx1.firstdrs.com2009-01-09 → 2009-01-09 · 3 obs

● 2009-01-09 12:49:18
○ 2015-08-18 23:22:00
○ 2026-07-22 00:16:28

●MXmxbiz1.qq.com2015-08-18 → 2026-07-22 · 3 obs

○ 2009-01-09 12:49:18
● 2015-08-18 23:22:00
● 2026-07-22 00:16:28

●MXmxbiz2.qq.com2015-08-18 → 2026-07-22 · 3 obs

○ 2009-01-09 12:49:18
● 2015-08-18 23:22:00
● 2026-07-22 00:16:28

●A117.122.212.1982026-03-03 → 2026-07-22 · 3 obs

○ 2017-08-20 22:25:32
● 2026-03-03 11:14:18
● 2026-07-22 00:16:28

○A210.14.142.1322015-10-31 → 2017-08-20 · 5 obs

○ 2015-08-18 23:22:00
● 2015-10-31 06:53:02
● 2017-08-20 22:25:32
○ 2026-03-03 11:14:18
○ 2026-07-22 00:16:28

○A218.246.23.1442009-01-09 → 2009-01-09 · 3 obs

● 2009-01-09 12:49:18
○ 2015-08-18 23:22:00
○ 2026-07-22 00:16:28

○A58.135.90.62015-08-18 → 2015-08-18 · 4 obs

○ 2009-01-09 12:49:18
● 2015-08-18 23:22:00
○ 2015-10-31 06:53:02
○ 2026-07-22 00:16:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net...	-
firstdrs.com	ns2.5read.com, ns1.5read.com	2 records

✅ Authoritative Response

Server:42.62.2.183

NS records: ns2.5read.com, ns1.5read.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstdrs.com (unsigned zone)

⏱️ Timing

Total: 606ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`117.122.212.198`
NS	3	`ns3.5read.com, ns2.5read.com...`
MX	2	`mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)`
TXT	1	`v=spf1include:spf.mail.qq.com~all`
SOA	1	`firstdrs.com root.firstdrs.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.5read.com, ns1.5read.com)

Analysis

Hierarchy

firstdrs.com is the parent zone for www.firstdrs.com.

Name Server Role

firstdrs.com has firstdrs.com as one of its name servers, making it self-hosted for DNS delegation.

Together with firstdrs.com, the hosts ns1.5read.com, ns2.5read.com and ns3.5read.com are frequently configured as name servers.

IP Addresses

firstdrs.com directs to one IP number, which is 117.122.212.198.

firstdrs.com shares its IP numbers with other host names like www.firstdrs.com, firstdrs.aichaoxing.com and 5read.com.

Name Servers

firstdrs.com uses four authoritative name servers: firstdrs.com, ns1.5read.com, ns2.5read.com and ns3.5read.com.

firstdrs.com partially shares its NS delegation with several other domains, including hongbo100.com, superlib.net, dachengdata.com and two others.

The name servers zhizhen.com, zaifan.com, xuexi365.com and sslibrary.com are often found in use alongside these name servers.

firstdrs.com resolves to 117.122.212.198. ns1.5read.com resolves to 42.62.2.183. ns2.5read.com resolves to 140.210.72.249. ns3.5read.com resolves to 120.92.71.242. All four hosts carry exactly one IP address.

Mail Servers

The MX records for firstdrs.com point to two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

firstdrs.com has the same mail server arrangement as a number of other domains, for example sxjh.com.cn, limeoz.com, xiu8.vip and two more.

firstdrs.com partially shares its mail servers with other domains, virtualclient.com.cn and nikonic.com being examples.