conceptsinprogramming.com - dns.ninja

`conceptsinprogramming.com`

DNSSEC	⚠️ Not signed
A	50.87.253.35^{🇺🇸 EIGI50.87.253.0/24 Google}
		PTR	`box2156.bluehost.com`
NS	`ns1.bluehost.com` ⭐
		A	162.159.24.80^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.bluehost.com`
NS	`ns2.bluehost.com`
		A	162.159.25.175^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.bluehost.com`
MX	`mail.conceptsinprogramming.com` ⭐
		A	50.87.253.35^{🇺🇸 EIGI50.87.253.0/24 Google}
			PTR	`box2156.bluehost.com`
TXT	`v=spf1 +a +mx +ip4:74.220.219.103 ?all`
SOA	`ns1.bluehost.com`root@box2156.bluehost.com 2023-08-29 #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=1783460781

Subdomains

mail.conceptsinprogramming.com

Same first word

conceptsinprogramming.com

DNS History

7 records (4 active, 3 former)

●NSns1.bluehost.com2015-07-24 → 2026-07-07 · 2 obs

● 2015-07-24 04:07:44
● 2026-07-07 22:06:48

●NSns2.bluehost.com2015-07-24 → 2026-07-07 · 2 obs

● 2015-07-24 04:07:44
● 2026-07-07 22:06:48

○MXmail.b-io.co2017-02-14 → 2017-02-14 · 4 obs

○ 2016-07-03 06:15:46
● 2017-02-14 07:18:14
○ 2020-01-10 23:23:06
○ 2026-07-07 22:06:48

●MXmail.conceptsinprogramming.com2015-07-24 → 2026-07-07 · 5 obs

● 2015-07-24 04:07:44
● 2016-07-03 06:15:46
○ 2017-02-14 07:18:14
● 2020-01-10 23:23:06
● 2026-07-07 22:06:48

○A208.91.197.1322017-02-14 → 2017-02-14 · 4 obs

○ 2016-07-03 06:15:46
● 2017-02-14 07:18:14
○ 2020-01-10 23:23:06
○ 2026-07-07 22:06:48

●A50.87.253.352020-01-10 → 2026-07-07 · 3 obs

○ 2017-02-14 07:18:14
● 2020-01-10 23:23:06
● 2026-07-07 22:06:48

○A69.89.21.642015-07-24 → 2016-07-03 · 4 obs

● 2015-07-24 04:07:44
● 2016-07-03 06:15:46
○ 2017-02-14 07:18:14
○ 2026-07-07 22:06:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
conceptsinprogramming.com	ns1.bluehost.com, ns2.bluehost.com	2 records

✅ Authoritative Response

Server:162.159.24.80

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for conceptsinprogramming.com (unsigned zone)

⏱️ Timing

Total: 242ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`50.87.253.35`
NS	2	`ns1.bluehost.com, ns2.bluehost.com`
MX	1	`mail.conceptsinprogramming.com (pri: 0)`
TXT	1	`v=spf1 +a +mx +ip4:74.220.219.103 ?all`
SOA	1	`ns1.bluehost.com root.box2156.bluehost.c`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

mail.conceptsinprogramming.com is delegated beneath conceptsinprogramming.com.

IP Addresses

conceptsinprogramming.com has exactly one IP address — 50.87.253.35.

tpgstrategies.com, dirtyexchangeshutdown.com, mail.tpgstrategies.com plus two other host names have IP numbers in common with conceptsinprogramming.com.

Name Servers

Two name servers handle the delegation for conceptsinprogramming.com: ns1.bluehost.com and ns2.bluehost.com.

The name server configuration of conceptsinprogramming.com is shared with other domains, for instance maintenanceworkout.com, libertygospelassembly.com, teleast.net and two others.

conceptsinprogramming.com has name servers in common with a number of other domains — broxbournesailingclub.co.uk, thecrugroup.com, avistacustom.com and affordableseo-services.com among them.

ns1.bluehost.com → 162.159.24.80 and ns2.bluehost.com → 162.159.25.175: one IP number per host name.

Mail Servers

conceptsinprogramming.com uses one mail server — mail.conceptsinprogramming.com.

mail.conceptsinprogramming.com carries a single IP number, which is 50.87.253.35.