🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`codinginterviewbook.com`

DNSSEC	⚠️ Not signed
A	3.33.130.190^{🇺🇸 Amazon3.33.128.0/20}
		PTR	`a2aa9ff50de748dbe.awsglobalaccelerator.com`
A	15.197.148.33^{🇺🇸 Amazon15.197.144.0/20}
NS	`ns51.domaincontrol.com` ⭐
		A	2603:5:2192::1a^{🇺🇸 GODADDY-DNS2603:5:2190::/44}
			PTR	`ns51.domaincontrol.com`
		A	97.74.105.26^{🇺🇸 GODADDY-DNS97.74.104.0/23}
			PTR	`ns51.domaincontrol.com`
NS	`ns52.domaincontrol.com`
		A	2603:5:2292::1a^{🇺🇸 GODADDY-DNS2603:5:2290::/44}
			PTR	`ns52.domaincontrol.com`
		A	173.201.73.26^{🇺🇸 GODADDY-DNS173.201.72.0/23}
			PTR	`ns52.domaincontrol.com`
MX	`smtp.tekjoy.com` ⭐
		A	104.21.2.13^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.67.128.144^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`ns51.domaincontrol.com`dns@jomax.net 2023-09-19 #0

`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=1791128669

Same first word

codinginterviewbook.com

Previous names

Next names

DNS History

6 records (5 active, 1 former)

●NSns51.domaincontrol.com2019-12-26 → 2026-10-04 · 2 obs

● 2019-12-26 20:28:24
● 2026-10-04 15:46:30

●NSns52.domaincontrol.com2019-12-26 → 2026-10-04 · 2 obs

● 2019-12-26 20:28:24
● 2026-10-04 15:46:30

●MXsmtp.tekjoy.com2026-09-01 → 2026-10-04 · 2 obs

● 2026-09-01 03:27:56
● 2026-10-04 15:46:30

●A15.197.148.332026-09-01 → 2026-10-04 · 3 obs

○ 2019-12-26 20:28:24
● 2026-09-01 03:27:56
● 2026-10-04 15:46:30

○A184.168.221.592019-12-26 → 2019-12-26 · 3 obs

● 2019-12-26 20:28:24
○ 2026-09-01 03:27:56
○ 2026-10-04 15:46:30

●A3.33.130.1902026-09-01 → 2026-10-04 · 3 obs

○ 2019-12-26 20:28:24
● 2026-09-01 03:27:56
● 2026-10-04 15:46:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net...	-
codinginterviewbook.com	ns51.domaincontrol.com, ns52.domaincontrol.com	4 records

✅ Authoritative Response

Server:97.74.105.26

NS records: ns51.domaincontrol.com, ns52.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codinginterviewbook.com (unsigned zone)

⏱️ Timing

Total: 367ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`3.33.130.190, 15.197.148.33`
NS	2	`ns51.domaincontrol.com, ns52.domaincontrol.com`
MX	1	`smtp.tekjoy.com (pri: 0)`
SOA	1	`ns51.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns51.domaincontrol.com, ns51.domaincontrol.com, ns52.domaincontrol.com...)

Analysis

IP Addresses

codinginterviewbook.com directs to two IP numbers, 3.33.130.190 and 15.197.148.33

Two other host names, along with mainelobsterandbeer.com, smallfirmbigadvantage.com and dosestoremember.com, also share IP numbers with codinginterviewbook.com.

Name Servers

codinginterviewbook.com has two authoritative name servers — ns51.domaincontrol.com and ns52.domaincontrol.com.

codinginterviewbook.com shares its NS records with other domains, for example antiquebuddyltoys.com, solarpbmbar.com, wanqiu47.com and two others.

Both ns51.domaincontrol.com and ns52.domaincontrol.com have two IP addresses each. ns51.domaincontrol.com resolves to 97.74.105.26 and 2603:5:2192::1a; ns52.domaincontrol.com resolves to 173.201.73.26 and 2603:5:2292::1a.

Mail Servers

The sole mail server for codinginterviewbook.com is smtp.tekjoy.com.

The host smtp.tekjoy.com resolves to 104.21.2.13 and 172.67.128.144 — two IP addresses.

codinginterviewbook.com - robtex.com