`subteachersource.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:d1e6^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:5d80^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.93.128^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.209.230^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`hazel.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:269d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hazel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c29d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hazel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:229d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hazel.ns.cloudflare.com`
		A	108.162.194.157^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hazel.ns.cloudflare.com`
		A	162.159.38.157^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hazel.ns.cloudflare.com`
		A	172.64.34.157^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hazel.ns.cloudflare.com`
NS	`mcgrory.ns.cloudflare.com`
		A	2606:4700:58::a29f:2caa^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mcgrory.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3aa^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mcgrory.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23aa^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mcgrory.ns.cloudflare.com`
		A	108.162.195.170^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mcgrory.ns.cloudflare.com`
		A	162.159.44.170^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mcgrory.ns.cloudflare.com`
		A	172.64.35.170^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mcgrory.ns.cloudflare.com`
MX	`subteachersource-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:f902::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mn2pr02cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:f908::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn8pr05cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:f90b::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn6pr04cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f90d::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00200.inbound.protection.outlook.com`
		A	52.101.8.51^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm1pr04cu00203.inbound.protection.outlook.com`
		A	52.101.41.183^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-byapr04cu00307.inbound.protection.outlook.com`
		A	52.101.42.16^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr05cu00300.inbound.protection.outlook.com`
		A	52.101.194.13^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch0pr04cu00605.inbound.protection.outlook.com`
TXT	`heritage=external-dns,external-dns/owner=iss-prod-eks/external-dns,external-d...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.93.128, 172.67.209.230
		IPv6	2606:4700:3034::ac43:d1e6, 2606:4700:3037::6815:5d80
SOA	`hazel.ns.cloudflare.com`dns@cloudflare.com serial=2394621554

`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=1771291435

Same first word

subteachersource.com

DNS History

12 records (7 active, 5 former)

●NShazel.ns.cloudflare.com2026-02-18 → 2026-03-09 · 3 obs

○ 2018-05-09 05:57:34
● 2026-02-18 14:09:32
● 2026-03-09 09:35:38

●NSmcgrory.ns.cloudflare.com2026-02-18 → 2026-03-09 · 3 obs

○ 2018-05-09 05:57:34
● 2026-02-18 14:09:32
● 2026-03-09 09:35:38

○NSns1.discountasp.net2018-05-09 → 2018-05-09 · 3 obs

● 2018-05-09 05:57:34
○ 2026-02-18 14:09:32
○ 2026-03-09 09:35:38

○NSns2.discountasp.net2018-05-09 → 2018-05-09 · 3 obs

● 2018-05-09 05:57:34
○ 2026-02-18 14:09:32
○ 2026-03-09 09:35:38

○NSns3.discountasp.net2018-05-09 → 2018-05-09 · 3 obs

● 2018-05-09 05:57:34
○ 2026-02-18 14:09:32
○ 2026-03-09 09:35:38

○MXsm13.internetmailserver.net2018-05-09 → 2018-05-09 · 3 obs

● 2018-05-09 05:57:34
○ 2026-02-18 14:09:32
○ 2026-03-09 09:35:38

●MXsubteachersource-com.mail.protection.outlook.com2026-02-18 → 2026-03-09 · 3 obs

○ 2018-05-09 05:57:34
● 2026-02-18 14:09:32
● 2026-03-09 09:35:38

●A104.21.93.1282026-02-18 → 2026-03-09 · 3 obs

○ 2018-05-09 05:57:34
● 2026-02-18 14:09:32
● 2026-03-09 09:35:38

●A172.67.209.2302026-02-18 → 2026-03-09 · 3 obs

○ 2018-05-09 05:57:34
● 2026-02-18 14:09:32
● 2026-03-09 09:35:38

●A2606:4700:3034::ac43:d1e62026-02-18 → 2026-03-09 · 3 obs

○ 2018-05-09 05:57:34
● 2026-02-18 14:09:32
● 2026-03-09 09:35:38

●A2606:4700:3037::6815:5d802026-02-18 → 2026-03-09 · 3 obs

○ 2018-05-09 05:57:34
● 2026-02-18 14:09:32
● 2026-03-09 09:35:38

○A96.31.45.802018-05-09 → 2018-05-09 · 3 obs

● 2018-05-09 05:57:34
○ 2026-02-18 14:09:32
○ 2026-03-09 09:35:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
subteachersource.com	hazel.ns.cloudflare.com, mcgrory.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.195.170

NS records: hazel.ns.cloudflare.com, mcgrory.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for subteachersource.com (unsigned zone)

⏱️ Timing

Total: 307ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.93.128, 172.67.209.230`
AAAA	2	`2606:4700:3034::ac43:d1e6, 2606:4700:3037::6815:5d80`
NS	2	`hazel.ns.cloudflare.com, mcgrory.ns.cloudflare.com`
MX	1	`subteachersource-com.mail.protection.out`
TXT	1	`heritage=external-dns,external-dns/owner`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`hazel.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

subteachersource.com points to four IP numbers: 2606:4700:3034::ac43:d1e6, 2606:4700:3037::6815:5d80, 104.21.93.128 and 172.67.209.230.

Other host names, for instance escortvipmodel.com, christophersherrod.com, www.indiapincode.info, ws.nongmoproject.org and eduardoduhalde.org share IP numbers with subteachersource.com.

Name Servers

Delegation for subteachersource.com rests with two name servers, hazel.ns.cloudflare.com and mcgrory.ns.cloudflare.com.

subteachersource.com shares the same name server setup as other domains, including victorchan.net, doctorrooter.ca, baytheaterla.com, ismailnet.com and perthpepperandpestle.ca.

subteachersource.com at least partially shares name servers with other domains, for instance edenresort.com.vn, jc914.com, purebreak.com.br, netprof.pt and facial-abuse.com.

these name servers are commonly used with tony.ns.cloudflare.com, tanner.ns.cloudflare.com and molly.ns.cloudflare.com.

Host names with six IP numbers: hazel.ns.cloudflare.com points to: 2606:4700:50::a29f:269d, 2803:f800:50::6ca2:c29d, 2a06:98c1:50::ac40:229d, 108.162.194.157, 162.159.38.157 and 172.64.34.157. mcgrory.ns.cloudflare.com points to: 2606:4700:58::a29f:2caa, 2803:f800:50::6ca2:c3aa, 2a06:98c1:50::ac40:23aa, 108.162.195.170, 162.159.44.170 and 172.64.35.170.

Mail Servers

subteachersource.com is handled by a single mail server, subteachersource-com.mail.protection.outlook.com.

subteachersource-com.mail.protection.outlook.com resolves to eight IP addresses: 2a01:111:f403:f902::2, 2a01:111:f403:f908::2, 2a01:111:f403:f90b::, 2a01:111:f403:f90d::, 52.101.8.51, 52.101.41.183, 52.101.42.16 and 52.101.194.13.

subteachersource.com - robtex.com