`teauniversity.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:172a^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:d0d0^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.23.42^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.208.208^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bart.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b47^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bart.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c147^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bart.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2147^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bart.ns.cloudflare.com`
		A	108.162.193.71^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bart.ns.cloudflare.com`
		A	172.64.33.71^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bart.ns.cloudflare.com`
		A	173.245.59.71^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bart.ns.cloudflare.com`
NS	`hera.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aa2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hera.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hera.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hera.ns.cloudflare.com`
		A	108.162.192.162^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.32.162^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.58.162^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.23.42, 172.67.208.208
		IPv6 hints	2606:4700:3031::6815:172a, 2606:4700:3031::ac43:d0d0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=163, name=cloudflare-ech.com
SOA	`bart.ns.cloudflare.com`dns@cloudflare.com serial=2407960197

`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=1784414747

Same first word

teauniversity.com

DNS History

20 records (6 active, 14 former)

●NSbart.ns.cloudflare.com2026-07-13 → 2026-07-18 · 3 obs

○ 2019-04-02 13:48:26
● 2026-07-13 11:14:24
● 2026-07-18 23:15:40

○NSdns01.penton.com2016-03-07 → 2017-02-18 · 5 obs

○ 2015-12-03 14:21:50
● 2016-03-07 17:18:18
● 2017-02-18 18:47:28
○ 2019-04-02 13:48:26
○ 2026-07-18 23:15:40

○NSdns02.penton.com2016-03-07 → 2017-02-18 · 5 obs

○ 2015-12-03 14:21:50
● 2016-03-07 17:18:18
● 2017-02-18 18:47:28
○ 2019-04-02 13:48:26
○ 2026-07-18 23:15:40

○NSdns03.penton.com2016-03-07 → 2017-02-18 · 5 obs

○ 2015-12-03 14:21:50
● 2016-03-07 17:18:18
● 2017-02-18 18:47:28
○ 2019-04-02 13:48:26
○ 2026-07-18 23:15:40

○NSdns1.pendns.local2016-03-07 → 2017-02-18 · 5 obs

○ 2015-12-03 14:21:50
● 2016-03-07 17:18:18
● 2017-02-18 18:47:28
○ 2019-04-02 13:48:26
○ 2026-07-18 23:15:40

○NSdns1.safenames.com2019-04-02 → 2019-04-02 · 4 obs

○ 2017-02-18 18:47:28
● 2019-04-02 13:48:26
○ 2026-07-13 11:14:24
○ 2026-07-18 23:15:40

○NSdns2.pendns.local2016-03-07 → 2017-02-18 · 5 obs

○ 2015-12-03 14:21:50
● 2016-03-07 17:18:18
● 2017-02-18 18:47:28
○ 2019-04-02 13:48:26
○ 2026-07-18 23:15:40

○NSdns2.safenames.net2019-04-02 → 2019-04-02 · 4 obs

○ 2017-02-18 18:47:28
● 2019-04-02 13:48:26
○ 2026-07-13 11:14:24
○ 2026-07-18 23:15:40

○NSdns3.safenames.org2019-04-02 → 2019-04-02 · 4 obs

○ 2017-02-18 18:47:28
● 2019-04-02 13:48:26
○ 2026-07-13 11:14:24
○ 2026-07-18 23:15:40

●NShera.ns.cloudflare.com2026-07-13 → 2026-07-18 · 3 obs

○ 2019-04-02 13:48:26
● 2026-07-13 11:14:24
● 2026-07-18 23:15:40

○NSns19.domaincontrol.com2015-08-20 → 2015-12-03 · 4 obs

● 2015-08-20 20:49:54
● 2015-12-03 14:21:50
○ 2016-03-07 17:18:18
○ 2026-07-18 23:15:40

○NSns20.domaincontrol.com2015-08-20 → 2015-12-03 · 4 obs

● 2015-08-20 20:49:54
● 2015-12-03 14:21:50
○ 2016-03-07 17:18:18
○ 2026-07-18 23:15:40

○MXmailstore1.secureserver.net2015-08-20 → 2015-12-03 · 4 obs

● 2015-08-20 20:49:54
● 2015-12-03 14:21:50
○ 2016-03-07 17:18:18
○ 2026-07-18 23:15:40

○MXsmtp.secureserver.net2015-08-20 → 2015-12-03 · 4 obs

● 2015-08-20 20:49:54
● 2015-12-03 14:21:50
○ 2016-03-07 17:18:18
○ 2026-07-18 23:15:40

●A104.21.23.422026-07-13 → 2026-07-18 · 3 obs

○ 2019-04-02 13:48:26
● 2026-07-13 11:14:24
● 2026-07-18 23:15:40

●A172.67.208.2082026-07-13 → 2026-07-18 · 3 obs

○ 2019-04-02 13:48:26
● 2026-07-13 11:14:24
● 2026-07-18 23:15:40

○A184.168.221.342015-08-20 → 2015-12-03 · 4 obs

● 2015-08-20 20:49:54
● 2015-12-03 14:21:50
○ 2016-03-07 17:18:18
○ 2026-07-18 23:15:40

●A2606:4700:3031::6815:172a2026-07-13 → 2026-07-18 · 3 obs

○ 2019-04-02 13:48:26
● 2026-07-13 11:14:24
● 2026-07-18 23:15:40

●A2606:4700:3031::ac43:d0d02026-07-13 → 2026-07-18 · 3 obs

○ 2019-04-02 13:48:26
● 2026-07-13 11:14:24
● 2026-07-18 23:15:40

○A8.33.3.942016-03-07 → 2019-04-02 · 5 obs

○ 2015-12-03 14:21:50
● 2016-03-07 17:18:18
● 2019-04-02 13:48:26
○ 2026-07-13 11:14:24
○ 2026-07-18 23:15:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
teauniversity.com	bart.ns.cloudflare.com, hera.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.162

NS records: bart.ns.cloudflare.com, hera.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for teauniversity.com (unsigned zone)

⏱️ Timing

Total: 179ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.208.208, 104.21.23.42`
AAAA	2	`2606:4700:3031::ac43:d0d0, 2606:4700:3031::6815:172a`
NS	2	`bart.ns.cloudflare.com, hera.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bart.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

teauniversity.com has four IP addresses: 104.21.23.42, 172.67.208.208, 2606:4700:3031::6815:172a and 2606:4700:3031::ac43:d0d0.

piavirtual.org, mk-sky.ru, svarka-ufa.ru and two other host names share IP numbers with teauniversity.com.

Name Servers

Two name servers handle the delegation for teauniversity.com: bart.ns.cloudflare.com and hera.ns.cloudflare.com.

teauniversity.com uses the same name servers as several other domains — among them healthcarewasteconference.com, womenandpsychology.com, mronetwork.co.uk and two more.

teauniversity.com partially shares its NS delegation with several other domains, including pressing-dental.com, munroads.com, laneconstruct.com and two others.

These name servers are regularly seen alongside kai.ns.cloudflare.com and maria.ns.cloudflare.com as name servers.

Hostnames that resolve to 6 IP addresses:

bart.ns.cloudflare.com resolves to 108.162.193.71, 172.64.33.71 and 173.245.59.71 among others, with 3 other IP addresses in total.

hera.ns.cloudflare.com resolves to 108.162.192.162, 172.64.32.162 and 173.245.58.162 among others, with 3 other IP addresses in total.

teauniversity.com - robtex.com