proofcentral.com - dns.ninja

`proofcentral.com`

DNSSEC	⚠️ Not signed
A	13.219.50.252^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
		PTR	`ec2-13-219-50-252.compute-1.amazonaws.com`
A	18.232.15.111^{🇺🇸 Amazon18.232.0.0/14 EC2 IAD prefix}
A	23.22.254.14^{🇺🇸 Amazon23.22.0.0/15 EC2 IAD prefix}
NS	`ns11.constellix.com` ⭐
		A	2600:180a:1001::1^{🇺🇸 Tiggee2600:180a:1001::/48 Constellix anycast network}
			PTR	`ns11.constellix.com`
		A	96.45.80.1^{🇺🇸 Tiggee96.45.80.0/24 route 96.45.80.0/24}
			PTR	`ns11.constellix.com`
NS	`ns21.constellix.com`
		A	2600:180b:2001::1^{🇺🇸 Tiggee2600:180b:2001::/48 Constellix anycast network}
			PTR	`ns21.constellix.com`
		A	46.31.236.1^{🇺🇸 Tiggee46.31.236.0/24 route 46.31.236.0/24}
NS	`ns31.constellix.com`
		A	2600:180c:3001::1^{🇺🇸 Tiggee2600:180c:3001::/48 Constellix anycast network}
			PTR	`ns31.constellix.com`
		A	43.247.170.1^{🇯🇵 Tiggee43.247.170.0/24 route 43.247.170.0/24}
			PTR	`ns31.constellix.com`
NS	`ns41.constellix.net`
		A	2600:180a:4001::1^{🇺🇸 Tiggee2600:180a:4001::/48 Constellix anycast network}
			PTR	`ns41.constellix.net`
		A	96.45.81.1^{🇺🇸 Tiggee96.45.81.0/24 route 96.45.81.0/24}
NS	`ns51.constellix.net`
		A	2600:180b:5001::1^{🇺🇸 Tiggee2600:180b:5001::/48 Constellix anycast network}
			PTR	`ns51.constellix.net`
		A	46.31.237.1^{🇺🇸 Tiggee46.31.237.0/24 route 46.31.237.0/24}
NS	`ns61.constellix.net`
		A	2600:180c:6001::1^{🇺🇸 Tiggee2600:180c:6001::/48 Constellix anycast network}
			PTR	`ns61.constellix.net`
		A	43.247.171.1^{🇯🇵 Tiggee43.247.171.0/24 route 43.247.171.0/24}
TXT	`v=spf1 include:amazonses.com -all`
TXT	`google-site-verification=kRe08WRUGwbOBBJ_vkGq2Zc5aJ5I95cjYU2xHUkXV8g`
SOA	`ns11.constellix.com`dns@constellix.com 2015-01-01 #96

`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=1784715512

📈 Tranco rank: #296,455

Subdomains

www.proofcentral.com

elsevier.proofcentral.com

elsevierbookweb2.proofcentral.com

elsevierapi.proofcentral.com

Same first word

proofcentral.com

DNS History

38 records (9 active, 29 former)

○NSns1.namebrightdns.com2015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 02:09:32
○ 2015-11-06 21:03:24
○ 2026-07-22 10:48:16

○NSns10.dnsmadeeasy.com2015-11-06 → 2017-08-29 · 5 obs

○ 2015-06-20 02:09:32
● 2015-11-06 21:03:24
● 2017-08-29 06:25:52
○ 2026-02-14 22:21:18
○ 2026-07-22 10:48:16

●NSns11.constellix.com2026-02-14 → 2026-07-22 · 3 obs

○ 2017-08-29 06:25:52
● 2026-02-14 22:21:18
● 2026-07-22 10:48:16

○NSns11.dnsmadeeasy.com2015-11-06 → 2017-08-29 · 5 obs

○ 2015-06-20 02:09:32
● 2015-11-06 21:03:24
● 2017-08-29 06:25:52
○ 2026-02-14 22:21:18
○ 2026-07-22 10:48:16

○NSns12.dnsmadeeasy.com2015-11-06 → 2017-08-29 · 5 obs

○ 2015-06-20 02:09:32
● 2015-11-06 21:03:24
● 2017-08-29 06:25:52
○ 2026-02-14 22:21:18
○ 2026-07-22 10:48:16

○NSns13.dnsmadeeasy.com2015-11-06 → 2017-08-29 · 5 obs

○ 2015-06-20 02:09:32
● 2015-11-06 21:03:24
● 2017-08-29 06:25:52
○ 2026-02-14 22:21:18
○ 2026-07-22 10:48:16

○NSns14.dnsmadeeasy.com2015-11-06 → 2017-08-29 · 5 obs

○ 2015-06-20 02:09:32
● 2015-11-06 21:03:24
● 2017-08-29 06:25:52
○ 2026-02-14 22:21:18
○ 2026-07-22 10:48:16

○NSns15.dnsmadeeasy.com2015-11-06 → 2017-08-29 · 5 obs

○ 2015-06-20 02:09:32
● 2015-11-06 21:03:24
● 2017-08-29 06:25:52
○ 2026-02-14 22:21:18
○ 2026-07-22 10:48:16

○NSns2.namebrightdns.com2015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 02:09:32
○ 2015-11-06 21:03:24
○ 2026-07-22 10:48:16

●NSns21.constellix.com2026-02-14 → 2026-07-22 · 3 obs

○ 2017-08-29 06:25:52
● 2026-02-14 22:21:18
● 2026-07-22 10:48:16

●NSns31.constellix.com2026-02-14 → 2026-07-22 · 3 obs

○ 2017-08-29 06:25:52
● 2026-02-14 22:21:18
● 2026-07-22 10:48:16

●NSns41.constellix.net2026-02-14 → 2026-07-22 · 3 obs

○ 2017-08-29 06:25:52
● 2026-02-14 22:21:18
● 2026-07-22 10:48:16

●NSns51.constellix.net2026-02-14 → 2026-07-22 · 3 obs

○ 2017-08-29 06:25:52
● 2026-02-14 22:21:18
● 2026-07-22 10:48:16

●NSns61.constellix.net2026-02-14 → 2026-07-22 · 3 obs

○ 2017-08-29 06:25:52
● 2026-02-14 22:21:18
● 2026-07-22 10:48:16

○MXanmail.namebrightmail.com2015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 02:09:32
○ 2015-11-06 21:03:24
○ 2026-07-22 10:48:16

●A13.219.50.2522026-07-21 → 2026-07-22 · 3 obs

○ 2026-07-11 09:47:06
● 2026-07-21 23:52:44
● 2026-07-22 10:48:16

●A18.232.15.1112026-07-21 → 2026-07-22 · 3 obs

○ 2026-07-11 09:47:06
● 2026-07-21 23:52:44
● 2026-07-22 10:48:16

○A208.80.122.2162026-02-14 → 2026-02-14 · 4 obs

○ 2017-08-29 06:25:52
● 2026-02-14 22:21:18
○ 2026-07-11 09:47:06
○ 2026-07-22 10:48:16

○A208.80.122.452026-02-14 → 2026-02-14 · 4 obs

○ 2017-08-29 06:25:52
● 2026-02-14 22:21:18
○ 2026-07-11 09:47:06
○ 2026-07-22 10:48:16

○A208.80.123.1102026-02-14 → 2026-02-14 · 4 obs

○ 2017-08-29 06:25:52
● 2026-02-14 22:21:18
○ 2026-07-11 09:47:06
○ 2026-07-22 10:48:16

○A208.80.123.1672026-02-14 → 2026-02-14 · 4 obs

○ 2017-08-29 06:25:52
● 2026-02-14 22:21:18
○ 2026-07-11 09:47:06
○ 2026-07-22 10:48:16

●A23.22.254.142026-07-21 → 2026-07-22 · 3 obs

○ 2026-07-11 09:47:06
● 2026-07-21 23:52:44
● 2026-07-22 10:48:16

○A2600:1803:10a::372026-02-14 → 2026-02-14 · 4 obs

○ 2017-08-29 06:25:52
● 2026-02-14 22:21:18
○ 2026-07-11 09:47:06
○ 2026-07-22 10:48:16

○A2600:1803:10b::22026-02-14 → 2026-02-14 · 4 obs

○ 2017-08-29 06:25:52
● 2026-02-14 22:21:18
○ 2026-07-11 09:47:06
○ 2026-07-22 10:48:16

○A2600:1803:10c::142026-02-14 → 2026-02-14 · 4 obs

○ 2017-08-29 06:25:52
● 2026-02-14 22:21:18
○ 2026-07-11 09:47:06
○ 2026-07-22 10:48:16

○A2600:1803:10d::112026-02-14 → 2026-02-14 · 4 obs

○ 2017-08-29 06:25:52
● 2026-02-14 22:21:18
○ 2026-07-11 09:47:06
○ 2026-07-22 10:48:16

○A3.215.97.1592026-07-11 → 2026-07-11 · 4 obs

○ 2026-02-14 22:21:18
● 2026-07-11 09:47:06
○ 2026-07-21 23:52:44
○ 2026-07-22 10:48:16

○A44.208.115.1172026-07-11 → 2026-07-11 · 4 obs

○ 2026-02-14 22:21:18
● 2026-07-11 09:47:06
○ 2026-07-21 23:52:44
○ 2026-07-22 10:48:16

○A52.24.246.1252015-11-06 → 2016-01-23 · 5 obs

○ 2015-06-20 02:09:32
● 2015-11-06 21:03:24
● 2016-01-23 18:29:16
○ 2016-04-19 23:11:58
○ 2026-07-22 10:48:16

○A52.27.49.1182015-11-06 → 2016-01-23 · 5 obs

○ 2015-06-20 02:09:32
● 2015-11-06 21:03:24
● 2016-01-23 18:29:16
○ 2016-04-19 23:11:58
○ 2026-07-22 10:48:16

○A54.174.31.2542015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 02:09:32
○ 2017-07-10 17:00:46
○ 2026-07-22 10:48:16

○A54.208.74.2152015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 02:09:32
○ 2017-07-10 17:00:46
○ 2026-07-22 10:48:16

○A96.45.82.1682016-04-19 → 2017-08-29 · 5 obs

○ 2016-01-23 18:29:16
● 2016-04-19 23:11:58
● 2017-08-29 06:25:52
○ 2026-02-14 22:21:18
○ 2026-07-22 10:48:16

○A96.45.82.592016-04-19 → 2017-08-29 · 5 obs

○ 2016-01-23 18:29:16
● 2016-04-19 23:11:58
● 2017-08-29 06:25:52
○ 2026-02-14 22:21:18
○ 2026-07-22 10:48:16

○A96.45.83.1002016-04-19 → 2017-08-29 · 5 obs

○ 2016-01-23 18:29:16
● 2016-04-19 23:11:58
● 2017-08-29 06:25:52
○ 2026-02-14 22:21:18
○ 2026-07-22 10:48:16

○A96.45.83.1592016-04-19 → 2017-08-29 · 5 obs

○ 2016-01-23 18:29:16
● 2016-04-19 23:11:58
● 2017-08-29 06:25:52
○ 2026-02-14 22:21:18
○ 2026-07-22 10:48:16

○A98.80.82.2472026-07-11 → 2026-07-11 · 4 obs

○ 2026-02-14 22:21:18
● 2026-07-11 09:47:06
○ 2026-07-21 23:52:44
○ 2026-07-22 10:48:16

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 02:09:32
○ 2015-11-06 21:03:24
○ 2026-07-22 10:48:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, l.gtld-servers.net...	-
proofcentral.com	ns11.constellix.com, ns51.constellix.net, ns41.constellix.net, ns21.constellix.com...	6 records

✅ Authoritative Response

Server:46.31.237.1

NS records: ns11.constellix.com, ns51.constellix.net, ns41.constellix.net, ns21.constellix.com, ns61.constellix.net, ns31.constellix.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for proofcentral.com (unsigned zone)

⏱️ Timing

Total: 634ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`23.22.254.14, 18.232.15.111...`
NS	6	`ns21.constellix.com, ns31.constellix.com...`
TXT	2	`v=spf1 include:amazonses.com -all, google-site-verification=kRe08WRUGwbOBBJ`
SOA	1	`ns11.constellix.com dns.constellix.com`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns11.constellix.com, ns11.constellix.com, ns21.constellix.com...)

Analysis

Hierarchy

proofcentral.com has four subdomains: www.proofcentral.com, elsevier.proofcentral.com, elsevierbookweb2.proofcentral.com and elsevierapi.proofcentral.com.

IP Addresses

proofcentral.com directs to three IP numbers: 13.219.50.252, 18.232.15.111 and 23.22.254.14.

Among the host names that share IP numbers with proofcentral.com is ec2-18-232-15-111.compute-1.amazonaws.com, as one example.

Name Servers

proofcentral.com carries NS records listing 6 name servers — ns11.constellix.com, ns21.constellix.com, ns31.constellix.com and 3 others.

There is at least partial name server overlap between proofcentral.com and other domains — maid(0x736578).com, admiral-x.org, alfadelta.com and two more among them.

The name servers ns41.constellix.net, ns51.constellix.net and ns61.constellix.net are often found in combination with these name servers.

Hosts with two IP numbers each:

The A records for ns11.constellix.com return 96.45.80.1 and 2600:180a:1001::1.

The A records for ns21.constellix.com return 46.31.236.1 and 2600:180b:2001::1.

The A records for ns31.constellix.com return 43.247.170.1 and 2600:180c:3001::1.

The A records for ns41.constellix.net return 96.45.81.1 and 2600:180a:4001::1.

The A records for ns51.constellix.net return 46.31.237.1 and 2600:180b:5001::1.

The A records for ns61.constellix.net return 43.247.171.1 and 2600:180c:6001::1.