`doginstructor.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:fd9^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:a482^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.15.217^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.164.130^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kim.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a7e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kim.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kim.ns.cloudflare.com`
		A	108.162.192.126^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
		A	172.64.32.126^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
		A	173.245.58.126^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
NS	`rob.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rob.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rob.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rob.ns.cloudflare.com`
		A	108.162.193.140^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rob.ns.cloudflare.com`
		A	172.64.33.140^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rob.ns.cloudflare.com`
		A	173.245.59.140^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rob.ns.cloudflare.com`
MX	`_dc-mx.85616d56a072.doginstructor.com` ⭐
		A	192.249.113.174^{🇺🇸 INMOTION192.249.112.0/23 InMotion Hosting, Inc. 6100 Center Drive Suite 1190 Los Angeles, CA 90045 USA}
			PTR	`ded3409.inmotionhosting.com`
TXT	`google-site-verification=fXQHKGBE8_4OQiMAxGVE0FMepsoyTX-Dxiz3_Pxxzxs`
TXT	`v=spf1 +a +mx +ip4:162.144.42.99 +include:bluehost.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.15.217, 172.67.164.130
		IPv6 hints	2606:4700:3031::6815:fd9, 2606:4700:3035::ac43:a482
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=168, name=cloudflare-ech.com
SOA	`kim.ns.cloudflare.com`dns@cloudflare.com serial=2399095559

`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=1775931617

Previously MX for

doginstructor.com

Subdomains

mail.doginstructor.com

Same first word

doginstructor.com

DNS History

15 records (7 active, 8 former)

●NSkim.ns.cloudflare.com2026-04-02 → 2026-04-11 · 3 obs

○ 2017-12-19 00:44:22
● 2026-04-02 22:21:20
● 2026-04-11 18:47:04

○NSns1.bluehost.com2015-07-19 → 2016-04-27 · 4 obs

● 2015-07-19 14:42:54
● 2016-04-27 06:47:20
○ 2016-12-31 17:53:16
○ 2026-04-11 18:47:04

○NSns1.farmnavi.com2016-12-31 → 2017-12-19 · 5 obs

○ 2016-04-27 06:47:20
● 2016-12-31 17:53:16
● 2017-12-19 00:44:22
○ 2026-04-02 22:21:20
○ 2026-04-11 18:47:04

○NSns2.bluehost.com2015-07-19 → 2016-04-27 · 4 obs

● 2015-07-19 14:42:54
● 2016-04-27 06:47:20
○ 2016-12-31 17:53:16
○ 2026-04-11 18:47:04

○NSns2.farmnavi.com2016-12-31 → 2017-12-19 · 5 obs

○ 2016-04-27 06:47:20
● 2016-12-31 17:53:16
● 2017-12-19 00:44:22
○ 2026-04-02 22:21:20
○ 2026-04-11 18:47:04

●NSrob.ns.cloudflare.com2026-04-02 → 2026-04-11 · 3 obs

○ 2017-12-19 00:44:22
● 2026-04-02 22:21:20
● 2026-04-11 18:47:04

●MX_dc-mx.85616d56a072.doginstructor.com2026-04-02 → 2026-04-11 · 3 obs

○ 2017-12-19 00:44:22
● 2026-04-02 22:21:20
● 2026-04-11 18:47:04

○MXdoginstructor.com2015-07-19 → 2016-04-27 · 4 obs

● 2015-07-19 14:42:54
● 2016-04-27 06:47:20
○ 2016-12-31 17:53:16
○ 2026-04-11 18:47:04

○MXmail.doginstructor.com2016-12-31 → 2017-12-19 · 5 obs

○ 2016-04-27 06:47:20
● 2016-12-31 17:53:16
● 2017-12-19 00:44:22
○ 2026-04-02 22:21:20
○ 2026-04-11 18:47:04

●A104.21.15.2172026-04-02 → 2026-04-11 · 3 obs

○ 2017-12-19 00:44:22
● 2026-04-02 22:21:20
● 2026-04-11 18:47:04

○A162.144.42.992016-12-31 → 2017-12-19 · 5 obs

○ 2016-04-27 06:47:20
● 2016-12-31 17:53:16
● 2017-12-19 00:44:22
○ 2026-04-02 22:21:20
○ 2026-04-11 18:47:04

●A172.67.164.1302026-04-02 → 2026-04-11 · 3 obs

○ 2017-12-19 00:44:22
● 2026-04-02 22:21:20
● 2026-04-11 18:47:04

●A2606:4700:3031::6815:fd92026-04-02 → 2026-04-11 · 3 obs

○ 2017-12-19 00:44:22
● 2026-04-02 22:21:20
● 2026-04-11 18:47:04

●A2606:4700:3035::ac43:a4822026-04-02 → 2026-04-11 · 3 obs

○ 2017-12-19 00:44:22
● 2026-04-02 22:21:20
● 2026-04-11 18:47:04

○A66.147.244.1702015-07-19 → 2016-04-27 · 4 obs

● 2015-07-19 14:42:54
● 2016-04-27 06:47:20
○ 2016-12-31 17:53:16
○ 2026-04-11 18:47:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, i.gtld-servers.net, c.gtld-servers.net, b.gtld-servers.net...	-
doginstructor.com	kim.ns.cloudflare.com, rob.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.126

NS records: kim.ns.cloudflare.com, rob.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doginstructor.com (unsigned zone)

⏱️ Timing

Total: 205ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.164.130, 104.21.15.217`
AAAA	2	`2606:4700:3035::ac43:a482, 2606:4700:3031::6815:fd9`
NS	2	`kim.ns.cloudflare.com, rob.ns.cloudflare.com`
MX	1	`_dc-mx.85616d56a072.doginstructor.com (p`
TXT	2	`google-site-verification=fXQHKGBE8_4OQiM, v=spf1 +a +mx +ip4:162.144.42.99 +includ`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kim.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (kim.ns.cloudflare.com, kim.ns.cloudflare.com, kim.ns.cloudflare.com...)

Analysis

Hierarchy

doginstructor.com is a parent of mail.doginstructor.com.

IP Addresses

doginstructor.com points to four IP numbers: 2606:4700:3031::6815:fd9, 2606:4700:3035::ac43:a482, 104.21.15.217 and 172.67.164.130.

Other host names, for instance deucereport.co.uk, seatoncode.com, 889267.com, www.activebridge.org and gwktogelback.com share IP numbers with doginstructor.com.

Name Servers

Delegation for doginstructor.com rests with two name servers, kim.ns.cloudflare.com and rob.ns.cloudflare.com.

doginstructor.com shares the same name server setup as other domains, including azonmarket.eu, michellebaroneauthor.com, lokosom.com.br, mihostinglatino.com and peloponnesewineroads.com.

doginstructor.com at least partially shares name servers with other domains, for instance guanyaobao.cn, doll5.com, grukf.one, biocos.cn and myerowitzchiroacu.com.

These name servers are commonly used with casey.ns.cloudflare.com and leif.ns.cloudflare.com.

Host names with six IP numbers: kim.ns.cloudflare.com points to: 2606:4700:50::adf5:3a7e, 2803:f800:50::6ca2:c07e, 2a06:98c1:50::ac40:207e, 108.162.192.126, 172.64.32.126 and 173.245.58.126. rob.ns.cloudflare.com points to: 2606:4700:58::adf5:3b8c, 2803:f800:50::6ca2:c18c, 2a06:98c1:50::ac40:218c, 108.162.193.140, 172.64.33.140 and 173.245.59.140.

Mail Servers

doginstructor.com is handled by a single mail server, _dc-mx.85616d56a072.doginstructor.com.

_dc-mx.85616d56a072.doginstructor.com points to a single IP: 192.249.113.174.

doginstructor.com - robtex.com