programminginterview.com - dns.ninja

`programminginterview.com`

DNSSEC	⚠️ Not signed
A	199.58.84.78^{🇺🇸 LEASEWEB-US199.58.84.0/22 Leaseweb USA, Inc. US}
NS	`ns1.dnsowl.com` ⭐
		A	2400:cb00:2049:1::a29f:1a88^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1bad^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.26.136^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.27.173^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.dnsowl.com`
		A	2400:cb00:2049:1::a29f:1a31^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1b82^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.26.49^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.27.130^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns3.dnsowl.com`
		A	2400:cb00:2049:1::a29f:1aea^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1b62^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.26.234^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.27.98^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx7.webfaction.com` ⭐
MX	`mx8.webfaction.com` ⭐
MX	`mx9.webfaction.com` ⭐
SOA	`ns1.dnsowl.com`hostmaster@dnsowl.com serial=1785168707

`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=1785167352

Subdomains

www.programminginterview.com

Same first word

programminginterview.com

DNS History

13 records (7 active, 6 former)

●NSns1.dnsowl.com2026-07-02 → 2026-07-27 · 3 obs

○ 2020-01-25 20:53:08
● 2026-07-02 12:27:00
● 2026-07-27 16:14:26

○NSns1.webfaction.com2015-06-13 → 2020-01-25 · 4 obs

● 2015-06-13 15:39:20
● 2020-01-25 20:53:08
○ 2026-07-02 12:27:00
○ 2026-07-27 16:14:26

●NSns2.dnsowl.com2026-07-02 → 2026-07-27 · 3 obs

○ 2020-01-25 20:53:08
● 2026-07-02 12:27:00
● 2026-07-27 16:14:26

○NSns2.webfaction.com2015-06-13 → 2020-01-25 · 4 obs

● 2015-06-13 15:39:20
● 2020-01-25 20:53:08
○ 2026-07-02 12:27:00
○ 2026-07-27 16:14:26

●NSns3.dnsowl.com2026-07-02 → 2026-07-27 · 3 obs

○ 2020-01-25 20:53:08
● 2026-07-02 12:27:00
● 2026-07-27 16:14:26

○NSns3.webfaction.com2015-06-13 → 2020-01-25 · 4 obs

● 2015-06-13 15:39:20
● 2020-01-25 20:53:08
○ 2026-07-02 12:27:00
○ 2026-07-27 16:14:26

○NSns4.webfaction.com2015-06-13 → 2020-01-25 · 4 obs

● 2015-06-13 15:39:20
● 2020-01-25 20:53:08
○ 2026-07-02 12:27:00
○ 2026-07-27 16:14:26

●MXmx7.webfaction.com2015-06-13 → 2026-07-27 · 2 obs

● 2015-06-13 15:39:20
● 2026-07-27 16:14:26

●MXmx8.webfaction.com2015-06-13 → 2026-07-27 · 2 obs

● 2015-06-13 15:39:20
● 2026-07-27 16:14:26

●MXmx9.webfaction.com2015-06-13 → 2026-07-27 · 2 obs

● 2015-06-13 15:39:20
● 2026-07-27 16:14:26

○A108.168.213.762015-06-13 → 2017-03-14 · 4 obs

● 2015-06-13 15:39:20
● 2017-03-14 15:57:32
○ 2020-01-25 20:53:08
○ 2026-07-27 16:14:26

●A199.58.84.782026-07-02 → 2026-07-27 · 3 obs

○ 2020-01-25 20:53:08
● 2026-07-02 12:27:00
● 2026-07-27 16:14:26

○A207.38.86.2472020-01-25 → 2020-01-25 · 4 obs

○ 2017-03-14 15:57:32
● 2020-01-25 20:53:08
○ 2026-07-02 12:27:00
○ 2026-07-27 16:14:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net...	-
programminginterview.com	ns1.dnsowl.com, ns2.dnsowl.com, ns3.dnsowl.com	12 records

✅ Authoritative Response

Server:162.159.26.49

NS records: ns1.dnsowl.com, ns2.dnsowl.com, ns3.dnsowl.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for programminginterview.com (unsigned zone)

⏱️ Timing

Total: 312ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`199.58.84.78`
NS	3	`ns1.dnsowl.com, ns2.dnsowl.com...`
MX	3	`mx7.webfaction.com (pri: 10), mx8.webfaction.com (pri: 10)...`
SOA	1	`ns1.dnsowl.com hostmaster.dnsowl.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns1.dnsowl.com, ns1.dnsowl.com, ns1.dnsowl.com...)

Analysis

Hierarchy

programminginterview.com is a parent domain of www.programminginterview.com.

IP Addresses

programminginterview.com resolves to just one IP address, 199.58.84.78.

Other host names, such as www.programminginterview.com, share IP numbers with programminginterview.com.

Name Servers

programminginterview.com is delegated to three name servers: ns1.dnsowl.com, ns2.dnsowl.com and ns3.dnsowl.com.

programminginterview.com shares at least some of its name servers with other domains, including widlink.com, accessletternow.de, amtmdl.ca and two others.

Each of the hosts ns1.dnsowl.com, ns2.dnsowl.com and ns3.dnsowl.com resolves to four IP addresses: ns1.dnsowl.com points to 162.159.26.136, 162.159.27.173, 2400:cb00:2049:1::a29f:1a88 and 2400:cb00:2049:1::a29f:1bad; ns2.dnsowl.com points to 162.159.26.49, 162.159.27.130, 2400:cb00:2049:1::a29f:1a31 and 2400:cb00:2049:1::a29f:1b82; and ns3.dnsowl.com points to 162.159.26.234, 162.159.27.98, 2400:cb00:2049:1::a29f:1aea and 2400:cb00:2049:1::a29f:1b62.

Mail Servers

programminginterview.com is handled by three mail servers: mx7.webfaction.com, mx8.webfaction.com and mx9.webfaction.com.

There is at least a partial MX overlap between programminginterview.com and other domains, including flyingangel.ca, avajra.com, foodfan.com and two others.