`programmeruniversity.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:173d^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:d173^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.23.61^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.209.115^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ns1.ubmdns.com` ⭐
		A	2400:cb00:2049:1::a29f:d0^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
			PTR	`ns1.ubmdns.com`
		A	162.159.0.208^{Cloudflare162.159.0.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.ubmdns.com`
		A	2400:cb00:2049:1::a29f:1d0^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
			PTR	`ns2.ubmdns.com`
		A	162.159.1.208^{Cloudflare162.159.1.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.ubmdns.com`
TXT	`v=spf1 mx include:spf.ubm-us.net -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.23.61, 172.67.209.115
		IPv6 hints	2606:4700:3030::6815:173d, 2606:4700:3031::ac43:d173
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=147, name=cloudflare-ech.com
SOA	`ns1.ubmdns.com`dns@cloudflare.com serial=2409618127

`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=1784290682

Same first word

programmeruniversity.com

DNS History

15 records (6 active, 9 former)

○NSns1.ubm-us.net2015-07-23 → 2016-07-06 · 4 obs

● 2015-07-23 10:35:42
● 2016-07-06 22:40:14
○ 2017-06-29 22:45:44
○ 2026-07-17 12:22:58

●NSns1.ubmdns.com2026-07-13 → 2026-07-17 · 3 obs

○ 2017-06-29 22:45:44
● 2026-07-13 11:05:50
● 2026-07-17 12:22:58

○NSns1.ubmits.com2017-06-29 → 2017-06-29 · 4 obs

○ 2016-07-06 22:40:14
● 2017-06-29 22:45:44
○ 2026-07-13 11:05:50
○ 2026-07-17 12:22:58

○NSns2.ubm-us.net2015-07-23 → 2016-07-06 · 4 obs

● 2015-07-23 10:35:42
● 2016-07-06 22:40:14
○ 2017-06-29 22:45:44
○ 2026-07-17 12:22:58

●NSns2.ubmdns.com2026-07-13 → 2026-07-17 · 3 obs

○ 2017-06-29 22:45:44
● 2026-07-13 11:05:50
● 2026-07-17 12:22:58

○NSns2.ubmits.com2017-06-29 → 2017-06-29 · 4 obs

○ 2016-07-06 22:40:14
● 2017-06-29 22:45:44
○ 2026-07-13 11:05:50
○ 2026-07-17 12:22:58

○NSns3.ubm-us.net2015-07-23 → 2016-07-06 · 4 obs

● 2015-07-23 10:35:42
● 2016-07-06 22:40:14
○ 2017-06-29 22:45:44
○ 2026-07-17 12:22:58

○NSns3.ubmits.com2017-06-29 → 2017-06-29 · 4 obs

○ 2016-07-06 22:40:14
● 2017-06-29 22:45:44
○ 2026-07-13 11:05:50
○ 2026-07-17 12:22:58

○MXmailhost.ubm-us.net2015-07-23 → 2017-06-29 · 4 obs

● 2015-07-23 10:35:42
● 2017-06-29 22:45:44
○ 2026-07-13 11:05:50
○ 2026-07-17 12:22:58

●A104.21.23.612026-07-13 → 2026-07-17 · 3 obs

○ 2017-06-29 22:45:44
● 2026-07-13 11:05:50
● 2026-07-17 12:22:58

●A172.67.209.1152026-07-13 → 2026-07-17 · 3 obs

○ 2017-06-29 22:45:44
● 2026-07-13 11:05:50
● 2026-07-17 12:22:58

○A192.155.48.932015-07-23 → 2017-06-29 · 4 obs

● 2015-07-23 10:35:42
● 2017-06-29 22:45:44
○ 2026-07-13 11:05:50
○ 2026-07-17 12:22:58

●A2606:4700:3030::6815:173d2026-07-13 → 2026-07-17 · 3 obs

○ 2017-06-29 22:45:44
● 2026-07-13 11:05:50
● 2026-07-17 12:22:58

●A2606:4700:3031::ac43:d1732026-07-13 → 2026-07-17 · 3 obs

○ 2017-06-29 22:45:44
● 2026-07-13 11:05:50
● 2026-07-17 12:22:58

○A2620:103::192:155:48:932015-07-23 → 2017-06-29 · 4 obs

● 2015-07-23 10:35:42
● 2017-06-29 22:45:44
○ 2026-07-13 11:05:50
○ 2026-07-17 12:22:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
programmeruniversity.com	ns1.ubmdns.com, ns2.ubmdns.com	2 records

✅ Authoritative Response

Server:162.159.1.208

NS records: ns1.ubmdns.com, ns2.ubmdns.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 112ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.23.61, 172.67.209.115`
AAAA	2	`2606:4700:3031::ac43:d173, 2606:4700:3030::6815:173d`
NS	2	`ns1.ubmdns.com, ns2.ubmdns.com`
TXT	1	`v=spf1 mx include:spf.ubm-us.net -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ns1.ubmdns.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.ubmdns.com, ns2.ubmdns.com)

Analysis

IP Addresses

programmeruniversity.com directs to four IP numbers, which are 104.21.23.61, 172.67.209.115, 2606:4700:3030::6815:173d and 2606:4700:3031::ac43:d173.

Among the host names that share IP numbers with programmeruniversity.com are www.peptides518.com, onenineeightfive.co.uk, luckyjeet.club and two others.

Name Servers

The NS records for programmeruniversity.com delegate to ns1.ubmdns.com and ns2.ubmdns.com.

programmeruniversity.com has the same name server delegation as a number of other domains, such as ifsec.ph, thearcshow.com, driveworldexpo.com and two more.

ns1.ubmdns.com resolves to 162.159.0.208 and 2400:cb00:2049:1::a29f:d0. Likewise, ns2.ubmdns.com resolves to 162.159.1.208 and 2400:cb00:2049:1::a29f:1d0 — two IP addresses apiece.

programmeruniversity.com - robtex.com