`premierdentallearning.com`

DNSSEC	⚠️ Not signed
A	13.65.97.243^{🇺🇸 Microsoft13.64.0.0/11 MICROSOFT}
NS	`ns1.sierraweb.com` ⭐
		A	51.161.77.67^{🇨🇦 OVH51.161.0.0/17 Hosting route}
			PTR	`ns1.sierraweb.com`
NS	`ns2.sierraweb.com`
		A	158.69.16.36^{🇨🇦 OVH158.69.0.0/16 Hosting route}
			PTR	`ns2.sierraweb.com`
NS	`ns3.sierraweb.com` ⚠️ Not in parent delegation
		A	51.222.62.18^{🇨🇦 OVH51.222.0.0/16 Hosting route}
			PTR	`ns3.sierraweb.com`
MX	`mail.premierdentallearning.com` ⭐
		A	68.233.228.245^{🇺🇸 HIVELOCITY-168.233.224.0/19 Hivelocity Ventures Corp}
			PTR	`mail.sierraweb.com`
SOA	`ns1.sierraweb.com`hostmaster@sierraweb.com 2017-04-08 #1

`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=1774684267

Same first word

premierdentallearning.com

DNS History

6 records (5 active, 1 former)

●NSns1.sierraweb.com2015-08-11 → 2026-03-28 · 2 obs

● 2015-08-11 10:22:46
● 2026-03-28 08:02:26

●NSns2.sierraweb.com2015-08-11 → 2026-03-28 · 2 obs

● 2015-08-11 10:22:46
● 2026-03-28 08:02:26

●NSns3.sierraweb.com2015-08-11 → 2026-03-28 · 2 obs

● 2015-08-11 10:22:46
● 2026-03-28 08:02:26

●MXmail.premierdentallearning.com2015-08-11 → 2026-03-28 · 2 obs

● 2015-08-11 10:22:46
● 2026-03-28 08:02:26

●A13.65.97.2432017-05-31 → 2026-03-28 · 3 obs

○ 2017-02-18 02:42:46
● 2017-05-31 05:52:02
● 2026-03-28 08:02:26

○A65.50.252.722015-08-11 → 2017-02-18 · 4 obs

● 2015-08-11 10:22:46
● 2017-02-18 02:42:46
○ 2017-05-31 05:52:02
○ 2026-03-28 08:02:26

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:51.161.77.67

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for premierdentallearning.com (unsigned zone)

⏱️ Timing

Total: 2273ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`13.65.97.243`
NS	3	`ns2.sierraweb.com, ns3.sierraweb.com...`
MX	1	`mail.premierdentallearning.com (pri: 10)`
SOA	1	`ns1.sierraweb.com hostmaster.sierraweb.c`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

premierdentallearning.com points to a single IP number: 13.65.97.243.

Other host names, for instance www.idssonline.com, 3mdentallearning.com, kubeservices.co.za, xpinova.com and vocolearning.com share IP numbers with premierdentallearning.com.

Name Servers

The delegation for premierdentallearning.com is handled by three name servers: ns1.sierraweb.com, ns2.sierraweb.com and ns3.sierraweb.com.

premierdentallearning.com at least partially shares name servers with other domains, for instance ivns.org, n-styleid.com, 5-ballracinggarage.com, totalgymclubhouse.com and cvos.info.

Host names with one IP number:

ns1.sierraweb.com points to 51.161.77.67.

ns2.sierraweb.com points to 158.69.16.36.

ns3.sierraweb.com points to 51.222.62.18.

Mail Servers

premierdentallearning.com is handled by a single mail server, mail.premierdentallearning.com.

mail.premierdentallearning.com points to a single IP: 68.233.228.245.

premierdentallearning.com - robtex.com