`quantum-info.com`

DNSSEC	⚠️ Not signed
NS	`ns1.cnolnic.com` ⭐
		A	240c:4082:0:5d01::4^{🇨🇳 Baidu240c:4082::/32}
		A	106.12.208.18^{🇨🇳 Baidu106.12.208.0/20 AS38365}
		A	218.5.79.117^{🇨🇳 CHINATELECOM-Fujian-Xiamen-IDC1218.5.72.0/21 厦门}
NS	`ns2.cnolnic.com`
		A	240c:4082:0:5d01::5^{🇨🇳 Baidu240c:4082::/32}
		A	106.12.205.190^{🇨🇳 Baidu106.12.192.0/20 AS38365}
		A	218.5.79.98^{🇨🇳 CHINATELECOM-Fujian-Xiamen-IDC1218.5.72.0/21 厦门}
MX	`mail.quantum-info.com` ⭐
		A	60.173.247.164^{🇨🇳 CHINANET-BACKBONE60.168.0.0/13 CHINANET Anhui network}
			PTR	`mail.quantum-info.com`
TXT	`v=spf1 ip4:60.173.247.164 ip4:220.248.224.219 include:spf.icoremail.net ~all`
SOA	`ns1.cnolnic.com`root@cnolnic.com 2006-11-24 #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=1771291435

Subdomains

mail.quantum-info.com

www.quantum-info.com

Same first word

quantum-info.com

DNS History

8 records (3 active, 5 former)

○NSdns17.hichina.com2015-06-23 → 2017-02-19 · 4 obs

● 2015-06-23 07:02:12
● 2017-02-19 17:33:52
○ 2020-01-03 01:18:34
○ 2026-03-23 23:50:14

○NSdns18.hichina.com2015-06-23 → 2017-02-19 · 4 obs

● 2015-06-23 07:02:12
● 2017-02-19 17:33:52
○ 2020-01-03 01:18:34
○ 2026-03-23 23:50:14

●NSns1.cnolnic.com2020-01-03 → 2026-03-23 · 3 obs

○ 2017-02-19 17:33:52
● 2020-01-03 01:18:34
● 2026-03-23 23:50:14

●NSns2.cnolnic.com2020-01-03 → 2026-03-23 · 3 obs

○ 2017-02-19 17:33:52
● 2020-01-03 01:18:34
● 2026-03-23 23:50:14

●MXmail.quantum-info.com2015-06-23 → 2026-03-23 · 2 obs

● 2015-06-23 07:02:12
● 2026-03-23 23:50:14

○A123.56.226.2312020-01-03 → 2020-01-03 · 4 obs

○ 2017-02-19 17:33:52
● 2020-01-03 01:18:34
○ 2026-02-24 08:28:38
○ 2026-03-23 23:50:14

○A123.56.244.2252017-02-19 → 2017-02-19 · 4 obs

○ 2016-07-13 07:18:44
● 2017-02-19 17:33:52
○ 2020-01-03 01:18:34
○ 2026-03-23 23:50:14

○A61.191.27.1172015-06-23 → 2016-07-13 · 4 obs

● 2015-06-23 07:02:12
● 2016-07-13 07:18:44
○ 2017-02-19 17:33:52
○ 2026-03-23 23:50:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
quantum-info.com	ns1.cnolnic.com, ns2.cnolnic.com	6 records

✅ Authoritative Response

Server:106.12.205.190

NS records: ns1.cnolnic.com, ns2.cnolnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for quantum-info.com (unsigned zone)

⏱️ Timing

Total: 532ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.cnolnic.com, ns2.cnolnic.com`
MX	1	`mail.quantum-info.com (pri: 10)`
TXT	1	`v=spf1 ip4:60.173.247.164 ip4:220.248.22`
SOA	1	`ns1.cnolnic.com root.cnolnic.com`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.cnolnic.com, ns1.cnolnic.com, ns1.cnolnic.com...)

Analysis

Hierarchy

quantum-info.com is parent of mail.quantum-info.com and www.quantum-info.com.

Name Servers

quantum-info.com's delegation uses two name servers, ns1.cnolnic.com and ns2.cnolnic.com.

quantum-info.com shares the same name server setup as other domains, for example oboni.com.cn, xtwx.com, visionpic.com, zjzhengde.com and oushuibao.com.

quantum-info.com partially shares its name servers with other domains, for example xn--doq032jpmcovr.com and wsrj.cn.

These name servers are commonly used with ns3.cnolnic.com and ns4.cnolnic.com.

Host names with three IPs:

ns1.cnolnic.com points to 240c:4082:0:5d01::4, 106.12.208.18 and 218.5.79.117

ns2.cnolnic.com points to 240c:4082:0:5d01::5, 106.12.205.190 and 218.5.79.98

Mail Servers

quantum-info.com is handled by a single mail server, mail.quantum-info.com.

mail.quantum-info.com points to a single IP: 60.173.247.164.

quantum-info.com - robtex.com

quantum-info.com

com