`pennfoster.com`

DNSSEC	⚠️ Not signed
A	104.16.37.61^{Cloudflare104.16.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.16.38.61^{Cloudflare104.16.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ada.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a36^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ada.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c036^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ada.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2036^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ada.ns.cloudflare.com`
		A	108.162.192.54^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ada.ns.cloudflare.com`
		A	172.64.32.54^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ada.ns.cloudflare.com`
		A	173.245.58.54^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ada.ns.cloudflare.com`
NS	`graham.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bab^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ab^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`graham.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ab^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`graham.ns.cloudflare.com`
		A	108.162.193.171^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
		A	172.64.33.171^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
		A	173.245.59.171^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
MX	`pennfoster-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::6^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr21cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:c902::7^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr02cu00107.inbound.protection.outlook.com`
		A	2a01:111:f403:c927::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn8pr05cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:f908::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn1pr21cu00100.inbound.protection.outlook.com`
		A	52.101.8.46^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm6pr05cu00406.inbound.protection.outlook.com`
		A	52.101.40.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy1pr03cu00106.inbound.protection.outlook.com`
		A	52.101.41.26^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01702.inbound.protection.outlook.com`
		A	52.101.50.7^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr21cu00207.inbound.protection.outlook.com`
TXT	`5WeF3ulzjtzMfx0yqY+P7a4uOWp2caY+/Idpt2ExDvHyofcmmWO/GTk1ABn5Merqiqk/JC0ABm8LR...`
TXT	`MS=ms43021335`
TXT	`_8vv3erb369xy1cog5k8xdfe6fxok9qc`
TXT	`atlassian-domain-verification=HQy3RztPplOtGaqCmnrAIJO0aSHUwOrbBfeHFEM6v/Nyb52...`
TXT	`google-site-verification=PIu0dSvx7siFyJee1VzzqaYR8_jmGvBjilgw54K8qIk`
TXT	`v=spf1 ip4:208.92.32.9 ip4:104.208.218.187 ip4:20.119.232.49 ip4:20.110.4.191...`
TXT	`zd6dxj7w6wbsc4z6b07wb5spxkrx5dqf`
HTTPS	HTTP/2 ✓ hints match
		IPv4	104.16.37.61, 104.16.38.61
SOA	`ada.ns.cloudflare.com`dns@cloudflare.com serial=2399287358

`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

rank #849167 globally
rank #387139 in the tld
WOT: SAFE (71/100)
📈 Tranco rank: #195,488

Subdomains

enroll.pennfoster.com

lessons.pennfoster.com

bookstore.pennfoster.com

vip-prd-mkt-rr.pennfoster.com

my.pennfoster.com

assignments.pennfoster.com

www.pennfoster.com

vip-prd-web8-rr.pennfoster.com

info.pennfoster.com

videos.pennfoster.com

bemore.pennfoster.com

Same first word

pennfoster.tv

pennfoster.net

pennfoster.edu

pennfoster.ws

pennfoster.co

pennfoster.com

pennfoster.cn

Similar names

pennforest.com

DNS History

10 records (5 active, 5 former)

●NSada.ns.cloudflare.com2026-02-21 → 2026-03-18 · 3 obs

○ 2017-02-13 10:00:58
● 2026-02-21 09:02:56
● 2026-03-18 18:45:04

●NSgraham.ns.cloudflare.com2026-02-21 → 2026-03-18 · 3 obs

○ 2017-02-13 10:00:58
● 2026-02-21 09:02:56
● 2026-03-18 18:45:04

○NSns1.cengage.net2015-09-04 → 2017-02-13 · 4 obs

● 2015-09-04 08:08:38
● 2017-02-13 10:00:58
○ 2026-02-21 09:02:56
○ 2026-03-18 18:45:04

○NSns2.cengage.net2015-09-04 → 2017-02-13 · 4 obs

● 2015-09-04 08:08:38
● 2017-02-13 10:00:58
○ 2026-02-21 09:02:56
○ 2026-03-18 18:45:04

○MXcluster9.us.messagelabs.com2015-09-04 → 2017-02-13 · 4 obs

● 2015-09-04 08:08:38
● 2017-02-13 10:00:58
○ 2026-02-21 09:02:56
○ 2026-03-18 18:45:04

○MXcluster9a.us.messagelabs.com2015-09-04 → 2017-02-13 · 4 obs

● 2015-09-04 08:08:38
● 2017-02-13 10:00:58
○ 2026-02-21 09:02:56
○ 2026-03-18 18:45:04

●MXpennfoster-com.mail.protection.outlook.com2026-02-21 → 2026-03-18 · 3 obs

○ 2017-02-13 10:00:58
● 2026-02-21 09:02:56
● 2026-03-18 18:45:04

●A104.16.37.612026-02-21 → 2026-03-18 · 3 obs

○ 2017-02-13 10:00:58
● 2026-02-21 09:02:56
● 2026-03-18 18:45:04

●A104.16.38.612026-02-21 → 2026-03-18 · 3 obs

○ 2017-02-13 10:00:58
● 2026-02-21 09:02:56
● 2026-03-18 18:45:04

○A69.32.179.332015-09-04 → 2017-02-13 · 4 obs

● 2015-09-04 08:08:38
● 2017-02-13 10:00:58
○ 2026-02-21 09:02:56
○ 2026-03-18 18:45:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net, i.gtld-servers.net...	-
pennfoster.com	ada.ns.cloudflare.com, graham.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.192.54

NS records: ada.ns.cloudflare.com, graham.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pennfoster.com (unsigned zone)

⏱️ Timing

Total: 302ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.16.38.61, 104.16.37.61`
NS	2	`ada.ns.cloudflare.com, graham.ns.cloudflare.com`
MX	1	`pennfoster-com.mail.protection.outlook.c`
TXT	7	`5WeF3ulzjtzMfx0yqY+P7a4uOWp2caY+/Idpt2Ex, MS=ms43021335...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`ada.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

pennfoster.com is a parent of enroll.pennfoster.com, lessons.pennfoster.com, bookstore.pennfoster.com, vip-prd-mkt-rr.pennfoster.com and my.pennfoster.com, plus a few other host names.

IP Addresses

pennfoster.com has two IP numbers: 104.16.37.61 and 104.16.38.61.

Other host names, for instance enroll.pennfoster.com, lessons.pennfoster.com, bookstore.pennfoster.com, my.pennfoster.com and assignments.pennfoster.com share IP numbers with pennfoster.com.

Name Servers

pennfoster.com's delegation uses two name servers: ada.ns.cloudflare.com and graham.ns.cloudflare.com.

pennfoster.com uses the same name server setup as other domains, such as ashworthmoms.com, brewd.co.nz, tekstacks.com, ssegroup.com.au and kostlicherezepte.com.

pennfoster.com at least partially shares name servers with other domains, including nationalonlinesafety.com, aholdcoffeecompany.com, uniguardgps.com, psn3.com and zhaixiaonan.com.

These name servers are commonly used with june.ns.cloudflare.com.

Host names with six IP numbers:

ada.ns.cloudflare.com points to 2606:4700:50::adf5:3a36, 2803:f800:50::6ca2:c036, 2a06:98c1:50::ac40:2036, 108.162.192.54, 172.64.32.54 and 173.245.58.54.

graham.ns.cloudflare.com points to 2606:4700:58::adf5:3bab, 2803:f800:50::6ca2:c1ab, 2a06:98c1:50::ac40:21ab, 108.162.193.171, 172.64.33.171 and 173.245.59.171.

Mail Servers

A single mail server handles pennfoster.com, pennfoster-com.mail.protection.outlook.com.

Host pennfoster-com.mail.protection.outlook.com points to eight IPs: 2a01:111:f403:c902::6, 2a01:111:f403:c902::7, 2a01:111:f403:c927::1, 2a01:111:f403:f908::, 52.101.8.46, 52.101.40.6, 52.101.41.26 and 52.101.50.7.

pennfoster.com - robtex.com

pennfoster.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`pennfoster.com`

`com`