elementsofprogramminginterviews.com - dns.ninja

`elementsofprogramminginterviews.com`

DNSSEC	⚠️ Not signed
A	185.199.108.153^{🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24}
		PTR	`cdn-185-199-108-153.github.com`
A	185.199.109.153^{🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24}
A	185.199.110.153^{🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24}
A	185.199.111.153^{🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24}
NS	`axfr.dnsimple.com` ⭐
		A	2600:1f16:ae2:e902:6881:5f5e:c245:887e^{🇺🇸 Amazon2600:1f16:800::/38 AMAZON AWS}
		A	18.189.127.127^{🇺🇸 Amazon18.189.0.0/16 EC2 CMH prefix}
			PTR	`ec2-18-189-127-127.us-east-2.compute.amazonaws.com`
NS	`ns1.dnsimple-edge.com` ⚠️ Not in zone NS records
		A	2620:111:8004::53^{🇺🇸 AS327712620:111:8004::/48 DNSimple Corporation}
		A	199.247.152.53^{🇺🇸 AS32771199.247.152.0/24 DNSimple Corporation}
NS	`ns2.dnsimple-edge.net` ⚠️ Not in zone NS records
		A	2620:111:8005::53^{🇺🇸 AS327712620:111:8005::/48 Vultr Customer Route}
		A	199.247.153.53^{🇺🇸 AS32771199.247.153.0/24 Vultr Customer Route}
NS	`ns3.dnsimple-edge.io` ⚠️ Not in zone NS records
		A	2620:111:8006::53^{🇺🇸 AS327712620:111:8006::/48 DNSimple Corporation}
		A	199.247.154.53^{🇺🇸 AS32771199.247.154.0/24 DNSimple Corporation}
NS	`ns4.dnsimple-edge.org` ⚠️ Not in zone NS records
		A	2620:111:8007::53^{🇺🇸 AS327712620:111:8007::/48 Vultr Customer Route}
		A	199.247.155.53^{🇺🇸 AS32771199.247.155.0/24 Vultr Customer Route}
NS	`ns5.dnsmadeeasy.com` ⚠️ Not in zone NS records
		A	2600:1800:5::1^{🇺🇸 Tiggee2600:1800:5::/48 DNS Made Easy anycast network}
			PTR	`ns5.dnsmadeeasy.com`
		A	208.94.148.13^{🇺🇸 Tiggee208.94.148.0/24 DNS Made Easy anycast network}
			PTR	`ns5.dnsmadeeasy.com`
NS	`ns6.dnsmadeeasy.com` ⚠️ Not in zone NS records
		A	2600:1801:6::1^{🇺🇸 Tiggee2600:1801:6::/48 DNS Made Easy anycast network}
			PTR	`ns6.dnsmadeeasy.com`
		A	208.80.124.13^{🇺🇸 Tiggee208.80.124.0/24 DNS Made Easy anycast network}
			PTR	`ns6.dnsmadeeasy.com`
NS	`ns7.dnsmadeeasy.com` ⚠️ Not in zone NS records
		A	2600:1802:7::1^{🇺🇸 Tiggee2600:1802:7::/48 DNS Made Easy anycast network}
			PTR	`ns7.dnsmadeeasy.com`
		A	208.80.126.13^{🇺🇸 Tiggee208.80.126.0/24 DNS Made Easy anycast network}
			PTR	`ns7.dnsmadeeasy.com`
SOA	`axfr.dnsimple.com`admin@dnsimple.com serial=2014099697

`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=1783073991

Previously MX for

elementsofprogramminginterviews.com

Same first word

elementsofprogramminginterviews.com

DNS History

31 records (12 active, 19 former)

●NSaxfr.dnsimple.com2026-03-19 → 2026-07-03 · 6 obs

○ 2017-05-19 18:43:28
● 2026-03-19 11:45:00
● 2026-05-11 09:56:50
○ 2026-06-14 22:51:24
● 2026-07-03 10:26:36
● 2026-07-03 10:26:38

●NSns1.dnsimple-edge.com2026-06-14 → 2026-07-03 · 3 obs

○ 2026-05-11 09:56:50
● 2026-06-14 22:51:24
● 2026-07-03 10:26:38

○NSns1.dnsimple.com2015-12-16 → 2026-05-11 · 5 obs

○ 2015-08-21 00:31:58
● 2015-12-16 03:06:56
● 2026-05-11 09:56:50
○ 2026-06-14 22:51:24
○ 2026-07-03 10:26:38

●NSns2.dnsimple-edge.net2026-03-19 → 2026-07-03 · 3 obs

○ 2017-05-19 18:43:28
● 2026-03-19 11:45:00
● 2026-07-03 10:26:38

○NSns2.dnsimple.com2015-12-16 → 2017-05-19 · 5 obs

○ 2015-08-21 00:31:58
● 2015-12-16 03:06:56
● 2017-05-19 18:43:28
○ 2026-03-19 11:45:00
○ 2026-07-03 10:26:38

●NSns3.dnsimple-edge.io2026-06-14 → 2026-07-03 · 3 obs

○ 2026-05-11 09:56:50
● 2026-06-14 22:51:24
● 2026-07-03 10:26:38

○NSns3.dnsimple.com2015-12-16 → 2026-05-11 · 5 obs

○ 2015-08-21 00:31:58
● 2015-12-16 03:06:56
● 2026-05-11 09:56:50
○ 2026-06-14 22:51:24
○ 2026-07-03 10:26:38

●NSns4.dnsimple-edge.org2026-03-19 → 2026-07-03 · 3 obs

○ 2017-05-19 18:43:28
● 2026-03-19 11:45:00
● 2026-07-03 10:26:38

○NSns4.dnsimple.com2015-12-16 → 2017-05-19 · 5 obs

○ 2015-08-21 00:31:58
● 2015-12-16 03:06:56
● 2017-05-19 18:43:28
○ 2026-03-19 11:45:00
○ 2026-07-03 10:26:38

●NSns5.dnsmadeeasy.com2026-03-19 → 2026-07-03 · 3 obs

○ 2017-05-19 18:43:28
● 2026-03-19 11:45:00
● 2026-07-03 10:26:38

●NSns6.dnsmadeeasy.com2026-03-19 → 2026-07-03 · 3 obs

○ 2017-05-19 18:43:28
● 2026-03-19 11:45:00
● 2026-07-03 10:26:38

○NSns6117.hostgator.com2015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 00:31:58
○ 2015-12-16 03:06:56
○ 2026-07-03 10:26:38

○NSns6118.hostgator.com2015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 00:31:58
○ 2015-12-16 03:06:56
○ 2026-07-03 10:26:38

●NSns7.dnsmadeeasy.com2026-03-19 → 2026-07-03 · 3 obs

○ 2017-05-19 18:43:28
● 2026-03-19 11:45:00
● 2026-07-03 10:26:38

○MXelementsofprogramminginterviews.com2015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 00:31:58
○ 2015-12-16 03:06:56
○ 2026-07-03 10:26:38

○A151.101.32.1332016-07-21 → 2017-05-19 · 6 obs

○ 2016-03-18 11:32:54
● 2016-07-21 22:15:22
○ 2016-10-13 20:52:54
● 2017-05-19 18:43:28
○ 2026-03-19 11:45:00
○ 2026-07-03 10:26:38

○A151.101.36.1332017-05-19 → 2017-05-19 · 4 obs

○ 2016-10-13 20:52:54
● 2017-05-19 18:43:28
○ 2026-03-19 11:45:00
○ 2026-07-03 10:26:38

○A151.101.40.1332016-10-13 → 2017-05-19 · 5 obs

○ 2016-07-21 22:15:22
● 2016-10-13 20:52:54
● 2017-05-19 18:43:28
○ 2026-03-19 11:45:00
○ 2026-07-03 10:26:38

○A151.101.72.1332017-05-19 → 2017-05-19 · 4 obs

○ 2016-10-13 20:52:54
● 2017-05-19 18:43:28
○ 2026-03-19 11:45:00
○ 2026-07-03 10:26:38

●A185.199.108.1532026-03-19 → 2026-07-03 · 9 obs

○ 2017-05-19 18:43:28
● 2026-03-19 11:45:00
○ 2026-03-24 22:23:38
● 2026-03-25 02:01:28
● 2026-03-25 19:35:52
○ 2026-04-28 22:47:36
○ 2026-05-10 08:25:40
● 2026-05-11 08:15:18
● 2026-07-03 10:26:38

●A185.199.109.1532026-03-19 → 2026-07-03 · 9 obs

●A185.199.110.1532026-03-19 → 2026-07-03 · 9 obs

●A185.199.111.1532026-03-19 → 2026-07-03 · 9 obs

○A192.30.252.1532015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 00:31:58
○ 2015-12-16 03:06:56
○ 2026-07-03 10:26:38

○A192.30.252.1542015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 00:31:58
○ 2015-12-16 03:06:56
○ 2026-07-03 10:26:38

○A23.235.39.1332015-12-16 → 2015-12-16 · 4 obs

○ 2015-08-21 00:31:58
● 2015-12-16 03:06:56
○ 2016-03-18 11:32:54
○ 2026-07-03 10:26:38

○A23.235.44.1332016-03-18 → 2016-03-18 · 4 obs

○ 2015-12-16 03:06:56
● 2016-03-18 11:32:54
○ 2016-07-21 22:15:22
○ 2026-07-03 10:26:38

○A2606:50c0:8000::1532026-03-19 → 2026-06-14 · 11 obs

○ 2017-05-19 18:43:28
● 2026-03-19 11:45:00
○ 2026-03-24 22:23:38
○ 2026-03-25 02:01:28
● 2026-03-25 19:35:52
● 2026-05-10 08:25:40
○ 2026-05-11 08:15:18
● 2026-05-11 09:56:50
● 2026-06-14 22:51:24
○ 2026-07-03 10:26:36
○ 2026-07-03 10:26:38

○A2606:50c0:8001::1532026-03-19 → 2026-06-14 · 11 obs

○A2606:50c0:8002::1532026-03-19 → 2026-06-14 · 11 obs

○A2606:50c0:8003::1532026-03-19 → 2026-06-14 · 11 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net...	-
elementsofprogramminginterviews.com	ns5.dnsmadeeasy.com, ns6.dnsmadeeasy.com, ns7.dnsmadeeasy.com, ns4.dnsimple-edge.org...	8 records

✅ Authoritative Response

Server:208.80.124.13

NS records: ns5.dnsmadeeasy.com, ns6.dnsmadeeasy.com, ns7.dnsmadeeasy.com, ns4.dnsimple-edge.org, ns2.dnsimple-edge.net, ns3.dnsimple-edge.io, ns1.dnsimple-edge.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for elementsofprogramminginterviews.com (unsigned zone)

⏱️ Timing

Total: 650ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`185.199.108.153, 185.199.109.153...`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns5.dnsmadeeasy.com, ns5.dnsmadeeasy.com, ns6.dnsmadeeasy.com...)

Analysis

IP Addresses

elementsofprogramminginterviews.com has four IP addresses: 185.199.108.153, 185.199.109.153, 185.199.110.153 and 185.199.111.153.

urda.com, versae.es, audiolion.github.io and two other host names share IP numbers with elementsofprogramminginterviews.com.

Name Servers

elementsofprogramminginterviews.com is delegated to 8 name servers: ns1.dnsimple-edge.com, axfr.dnsimple.com, ns5.dnsmadeeasy.com and 5 other.

elementsofprogramminginterviews.com has at least partial name server overlap with other domains, such as dubois.nau.edu, chaosball.com, streamingpflbellator-pl.com and two others.

ns4.dnsimple-edge.org, ns2.dnsimple-edge.net and ns3.dnsimple-edge.io — plus 7 other name servers — are commonly paired with these name servers.

Hostnames that resolve to two IP addresses:

ns1.dnsimple-edge.com points to 199.247.152.53 and 2620:111:8004::53.

axfr.dnsimple.com points to 18.189.127.127 and 2600:1f16:ae2:e902:6881:5f5e:c245:887e.

ns5.dnsmadeeasy.com points to 208.94.148.13 and 2600:1800:5::1.

ns6.dnsmadeeasy.com points to 208.80.124.13 and 2600:1801:6::1.

ns7.dnsmadeeasy.com points to 208.80.126.13 and 2600:1802:7::1.

ns3.dnsimple-edge.io points to 199.247.154.53 and 2620:111:8006::53.

ns2.dnsimple-edge.net points to 199.247.153.53 and 2620:111:8005::53.

ns4.dnsimple-edge.org points to 199.247.155.53 and 2620:111:8007::53.