greylearning.com - dns.ninja

`greylearning.com`

DNSSEC	⚠️ Not signed
A	209.17.116.163^{🇺🇸 Jacksonville209.17.116.0/24 5335 Gate Parkway Jacksonville FL 32256 United States}
NS	`dns101.register.com` ⭐
		A	162.159.24.117^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`dns102.register.com`
		A	162.159.25.158^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c21::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f26.1e100.net`
		A	172.253.122.27^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
SOA	`DNS101.REGISTER.com`root@REGISTER.com serial=126063017

`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=1786532949

Same first word

greylearning.com

DNS History

27 records (7 active, 20 former)

○NSara.ns.cloudflare.com2016-01-15 → 2016-09-18 · 4 obs

○ 2015-10-15 16:20:56
● 2016-01-15 02:48:18
● 2016-09-18 20:14:08
○ 2026-08-12 11:28:48

●NSdns101.register.com2026-08-12 → 2026-08-12 · 2 obs

○ 2016-09-18 20:14:08
● 2026-08-12 11:28:48

●NSdns102.register.com2026-08-12 → 2026-08-12 · 2 obs

○ 2016-09-18 20:14:08
● 2026-08-12 11:28:48

○NSns1.he.net2015-05-16 → 2015-10-15 · 4 obs

● 2015-05-16 00:57:54
● 2015-10-15 16:20:56
○ 2016-01-15 02:48:18
○ 2026-08-12 11:28:48

○NSns2.he.net2015-05-16 → 2015-10-15 · 4 obs

● 2015-05-16 00:57:54
● 2015-10-15 16:20:56
○ 2016-01-15 02:48:18
○ 2026-08-12 11:28:48

○NSns3.he.net2015-05-16 → 2015-10-15 · 4 obs

● 2015-05-16 00:57:54
● 2015-10-15 16:20:56
○ 2016-01-15 02:48:18
○ 2026-08-12 11:28:48

○NSns4.he.net2015-05-16 → 2015-10-15 · 4 obs

● 2015-05-16 00:57:54
● 2015-10-15 16:20:56
○ 2016-01-15 02:48:18
○ 2026-08-12 11:28:48

○NSns5.he.net2015-05-16 → 2015-10-15 · 4 obs

● 2015-05-16 00:57:54
● 2015-10-15 16:20:56
○ 2016-01-15 02:48:18
○ 2026-08-12 11:28:48

○NSpeyton.ns.cloudflare.com2016-01-15 → 2016-09-18 · 4 obs

○ 2015-10-15 16:20:56
● 2016-01-15 02:48:18
● 2016-09-18 20:14:08
○ 2026-08-12 11:28:48

●MXalt1.aspmx.l.google.com2016-01-15 → 2026-08-12 · 3 obs

○ 2015-10-15 16:20:56
● 2016-01-15 02:48:18
● 2026-08-12 11:28:48

●MXalt2.aspmx.l.google.com2016-01-15 → 2026-08-12 · 3 obs

○ 2015-10-15 16:20:56
● 2016-01-15 02:48:18
● 2026-08-12 11:28:48

●MXalt3.aspmx.l.google.com2016-01-15 → 2026-08-12 · 3 obs

○ 2015-10-15 16:20:56
● 2016-01-15 02:48:18
● 2026-08-12 11:28:48

●MXaspmx.l.google.com2016-01-15 → 2026-08-12 · 3 obs

○ 2015-10-15 16:20:56
● 2016-01-15 02:48:18
● 2026-08-12 11:28:48

○MXgreylearning.com2015-05-16 → 2015-10-15 · 4 obs

● 2015-05-16 00:57:54
● 2015-10-15 16:20:56
○ 2016-01-15 02:48:18
○ 2026-08-12 11:28:48

○A107.20.157.442016-09-18 → 2016-09-18 · 3 obs

○ 2016-04-11 02:20:08
● 2016-09-18 20:14:08
○ 2026-08-12 11:28:48

○A107.22.160.552016-01-15 → 2016-01-15 · 4 obs

○ 2015-10-15 16:20:56
● 2016-01-15 02:48:18
○ 2016-04-11 02:20:08
○ 2026-08-12 11:28:48

○A2001:470:0:208::403e:8c442015-05-16 → 2015-10-15 · 4 obs

● 2015-05-16 00:57:54
● 2015-10-15 16:20:56
○ 2016-01-15 02:48:18
○ 2026-08-12 11:28:48

○A205.178.189.1312026-08-12 → 2026-08-12 · 1 obs

○ 2026-08-12 11:28:48

●A209.17.116.1632026-08-12 → 2026-08-12 · 2 obs

○ 2016-09-18 20:14:08
● 2026-08-12 11:28:48

○A23.23.170.272016-04-11 → 2016-04-11 · 4 obs

○ 2016-01-15 02:48:18
● 2016-04-11 02:20:08
○ 2016-09-18 20:14:08
○ 2026-08-12 11:28:48

○A23.23.212.1222016-01-15 → 2016-01-15 · 4 obs

○ 2015-10-15 16:20:56
● 2016-01-15 02:48:18
○ 2016-04-11 02:20:08
○ 2026-08-12 11:28:48

○A23.23.234.1772016-09-18 → 2016-09-18 · 3 obs

○ 2016-04-11 02:20:08
● 2016-09-18 20:14:08
○ 2026-08-12 11:28:48

○A54.225.146.752016-04-11 → 2016-04-11 · 4 obs

○ 2016-01-15 02:48:18
● 2016-04-11 02:20:08
○ 2016-09-18 20:14:08
○ 2026-08-12 11:28:48

○A54.225.190.792016-01-15 → 2016-01-15 · 4 obs

○ 2015-10-15 16:20:56
● 2016-01-15 02:48:18
○ 2016-04-11 02:20:08
○ 2026-08-12 11:28:48

○A54.235.127.1292016-09-18 → 2016-09-18 · 3 obs

○ 2016-04-11 02:20:08
● 2016-09-18 20:14:08
○ 2026-08-12 11:28:48

○A54.235.133.492016-04-11 → 2016-04-11 · 4 obs

○ 2016-01-15 02:48:18
● 2016-04-11 02:20:08
○ 2016-09-18 20:14:08
○ 2026-08-12 11:28:48

○A64.62.140.682015-05-16 → 2015-10-15 · 4 obs

● 2015-05-16 00:57:54
● 2015-10-15 16:20:56
○ 2016-01-15 02:48:18
○ 2026-08-12 11:28:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net, l.gtld-servers.net...	-
greylearning.com	dns101.register.com, dns102.register.com	2 records

✅ Authoritative Response

Server:162.159.25.158

NS records: dns101.register.com, dns102.register.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for greylearning.com (unsigned zone)

⏱️ Timing

Total: 216ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`209.17.116.163`
NS	2	`dns102.register.com, dns101.register.com`
MX	4	`aspmx.l.google.com (pri: 0), alt1.aspmx.l.google.com (pri: 5)...`
SOA	1	`DNS101.REGISTER.com root.REGISTER.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns101.register.com, dns102.register.com)

Analysis

IP Addresses

greylearning.com has exactly one IP address — 209.17.116.163.

listeria.com, holidayinnvbnorfolk.com, econ.redingtonmea.com plus two other host names have IP numbers in common with greylearning.com.

Name Servers

greylearning.com is delegated to two name servers: dns101.register.com and dns102.register.com.

The name server configuration of greylearning.com is shared with other domains, for instance recstx.com, musono.com, harringtonairsystems.com and two others.

greylearning.com partially shares its name servers with domains like custom-airinc.com and latahsoil.org.

dns101.register.com resolves to 162.159.24.117. dns102.register.com resolves to 162.159.25.158. Both host names point to a single IP number.

Mail Servers

Four mail servers handle email for greylearning.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and alt3.aspmx.l.google.com.

At least some of the mail servers used by greylearning.com are shared with other domains: leobit.com, ns500759.ns500698.ns500698.ns500736.ns500735.ns500736.ns500735.ns500735.ns500735.ns500576.ns500619.ns500698.ns500652.ns500576.trackreceptor.com, ns500758.ns500759.ns500698.ns500759.ns500698.ns500698.ns500735.ns500735.ns500698.ns500576.ns500698.ns500698.ns500652.ns500619.ns500619.trackreceptor.com and two others among them.

The mail servers alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com frequently co-occur with these mail servers.

aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and alt3.aspmx.l.google.com each carry two IP addresses. aspmx.l.google.com has 172.253.122.27 and 2607:f8b0:4004:c21::1a; alt1.aspmx.l.google.com has 192.178.234.26 and 2800:3f0:4003:c14::1a; alt2.aspmx.l.google.com has 172.253.116.27 and 2a00:1450:400b:c02::1a; alt3.aspmx.l.google.com has 192.178.223.26 and 2a00:1450:4009:c0f::1b.