mastergrader.com - dns.ninja

`mastergrader.com`

DNSSEC	⚠️ Not signed
A	2a00:1158:0:100::14^{🇫🇷 GD-EMEA-DC-SXB12a00:1158::/32 Mass Net}
		PTR	`twilight.ispgateway.de`
A	80.67.16.8^{🇩🇪 GD-EMEA-DC-CGN180.67.16.0/24 GD MASS Network}
NS	`ns13.domaincontrol.com` ⭐
		A	2603:5:21a0::7^{🇺🇸 GODADDY-DNS2603:5:21a0::/44}
			PTR	`ns13.domaincontrol.com`
		A	97.74.106.7^{🇺🇸 GODADDY-DNS97.74.106.0/23}
			PTR	`ns13.domaincontrol.com`
NS	`ns14.domaincontrol.com`
		A	2603:5:22a0::7^{🇺🇸 GODADDY-DNS2603:5:22a0::/44}
			PTR	`ns14.domaincontrol.com`
		A	173.201.74.7^{🇺🇸 GODADDY-DNS173.201.74.0/23}
			PTR	`ns14.domaincontrol.com`
MX	`smtp.secureserver.net` ⭐
		A	216.69.141.71^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v01.prod.phx3.secureserver.net`
		A	216.69.141.84^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v01.prod.phx3.secureserver.net`
		A	216.69.141.113^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v01.prod.phx3.secureserver.net`
MX	`mailstore1.secureserver.net`⁽¹⁰⁾
		A	216.69.141.78^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v02.prod.phx3.secureserver.net`
		A	216.69.141.114^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v02.prod.phx3.secureserver.net`
		A	216.69.141.162^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v02.prod.phx3.secureserver.net`
SOA	`ns13.domaincontrol.com`dns@jomax.net 2026-02-06 #3

`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=1786187829

Subdomains

mail.mastergrader.com

Same first word

mastergrader.com

mastergrader.net

Similar names

graderstream.xyz

smartergrade.com

gradesmarter.blogspot.com

DNS History

18 records (6 active, 12 former)

○NSns.namespace4you.de2017-02-10 → 2018-12-16 · 5 obs

○ 2015-07-16 11:19:52
● 2017-02-10 19:25:28
● 2018-12-16 06:21:54
○ 2026-02-18 09:50:02
○ 2026-08-08 11:32:56

●NSns13.domaincontrol.com2026-02-18 → 2026-08-08 · 3 obs

○ 2018-12-16 06:21:54
● 2026-02-18 09:50:02
● 2026-08-08 11:32:56

●NSns14.domaincontrol.com2026-02-18 → 2026-08-08 · 3 obs

○ 2018-12-16 06:21:54
● 2026-02-18 09:50:02
● 2026-08-08 11:32:56

○NSns2.namespace4you.de2017-02-10 → 2018-12-16 · 5 obs

○ 2015-07-16 11:19:52
● 2017-02-10 19:25:28
● 2018-12-16 06:21:54
○ 2026-02-18 09:50:02
○ 2026-08-08 11:32:56

○NSns53.domaincontrol.com2008-03-08 → 2008-03-08 · 3 obs

● 2008-03-08 01:03:20
○ 2015-07-16 11:19:52
○ 2026-08-08 11:32:56

○NSns54.domaincontrol.com2008-03-08 → 2008-03-08 · 3 obs

● 2008-03-08 01:03:20
○ 2015-07-16 11:19:52
○ 2026-08-08 11:32:56

○MXmail.mastergrader.com2008-03-08 → 2008-03-08 · 3 obs

● 2008-03-08 01:03:20
○ 2015-07-16 11:19:52
○ 2026-08-08 11:32:56

●MXmailstore1.secureserver.net2026-02-18 → 2026-08-08 · 3 obs

○ 2018-12-16 06:21:54
● 2026-02-18 09:50:02
● 2026-08-08 11:32:56

○MXmxlb.ispgateway.de2017-02-10 → 2018-12-16 · 5 obs

○ 2015-07-16 11:19:52
● 2017-02-10 19:25:28
● 2018-12-16 06:21:54
○ 2026-02-18 09:50:02
○ 2026-08-08 11:32:56

●MXsmtp.secureserver.net2026-02-18 → 2026-08-08 · 3 obs

○ 2018-12-16 06:21:54
● 2026-02-18 09:50:02
● 2026-08-08 11:32:56

○A209.85.117.1442008-03-08 → 2008-03-08 · 3 obs

● 2008-03-08 01:03:20
○ 2015-07-16 11:19:52
○ 2026-08-08 11:32:56

●A2a00:1158:0:100::142026-02-18 → 2026-08-08 · 3 obs

○ 2018-12-16 06:21:54
● 2026-02-18 09:50:02
● 2026-08-08 11:32:56

○A2a00:1158:1000:300::3de2017-02-10 → 2018-12-16 · 5 obs

○ 2016-06-24 03:11:58
● 2017-02-10 19:25:28
● 2018-12-16 06:21:54
○ 2026-02-18 09:50:02
○ 2026-08-08 11:32:56

○A2a00:1169:103:1f70::2026-02-18 → 2026-08-08 · 2 obs

○ 2026-02-18 09:50:02
○ 2026-08-08 11:32:56

○A69.64.147.2422015-07-16 → 2016-03-04 · 5 obs

○ 2008-03-08 01:03:20
● 2015-07-16 11:19:52
● 2016-03-04 14:14:02
○ 2016-06-24 03:11:58
○ 2026-08-08 11:32:56

●A80.67.16.82026-02-18 → 2026-08-08 · 3 obs

○ 2018-12-16 06:21:54
● 2026-02-18 09:50:02
● 2026-08-08 11:32:56

○A80.67.28.2222017-02-10 → 2018-12-16 · 5 obs

○ 2016-06-24 03:11:58
● 2017-02-10 19:25:28
● 2018-12-16 06:21:54
○ 2026-02-18 09:50:02
○ 2026-08-08 11:32:56

○A92.205.52.752026-02-18 → 2026-08-08 · 2 obs

○ 2026-02-18 09:50:02
○ 2026-08-08 11:32:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mastergrader.com	ns13.domaincontrol.com, ns14.domaincontrol.com	4 records

✅ Authoritative Response

Server:173.201.74.7

NS records: ns13.domaincontrol.com, ns14.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mastergrader.com (unsigned zone)

⏱️ Timing

Total: 153ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`80.67.16.8`
AAAA	1	`2a00:1158:0:100::14`
NS	2	`ns13.domaincontrol.com, ns14.domaincontrol.com`
MX	2	`smtp.secureserver.net (pri: 0), mailstore1.secureserver.net (pri: 10)`
SOA	1	`ns13.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns13.domaincontrol.com, ns13.domaincontrol.com, ns14.domaincontrol.com...)

Analysis

Hierarchy

mail.mastergrader.com is a subdomain of mastergrader.com.

IP Addresses

mastergrader.com has two IP addresses: 80.67.16.8 and 2a00:1158:0:100::14

Two other host names, along with bodenseeticket.com, *.binnenschiffahrtsverlag.de and toxxor.de, also share IP numbers with mastergrader.com.

Name Servers

mastergrader.com is delegated to two name servers: ns13.domaincontrol.com and ns14.domaincontrol.com.

mastergrader.com shares its NS records with other domains, for example estate.jewelry, deafcouncil.org, bk128.com and two others.

ns13.domaincontrol.com and ns14.domaincontrol.com each resolve to two IP addresses: ns13.domaincontrol.com points to 97.74.106.7 and 2603:5:21a0::7, while ns14.domaincontrol.com points to 173.201.74.7 and 2603:5:22a0::7.

Mail Servers

mastergrader.com is served by two mail servers, mailstore1.secureserver.net and smtp.secureserver.net.

Among the domains sharing a mail server setup with mastergrader.com are silverborn.com, bakersfield.soccer, hubbard221.com and two others.

mastergrader.com shares mail servers with at least some other domains, such as mysv-safevision.net, miapp.co and thomson-financial.com.

Both mailstore1.secureserver.net and smtp.secureserver.net point to three IP numbers: mailstore1.secureserver.net points to 216.69.141.78, 216.69.141.114 and 216.69.141.162, while smtp.secureserver.net points to 216.69.141.71, 216.69.141.84 and 216.69.141.113.