`smartbearlearning.com`

DNSSEC	⚠️ Not signed
A	67.41.154.133^{🇺🇸 AS20967.41.128.0/19}
NS	`ns21.domaincontrol.com` ⭐
		A	2603:5:2141::b^{🇺🇸 GODADDY-DNS2603:5:2140::/44}
			PTR	`ns21.domaincontrol.com`
		A	97.74.100.11^{🇺🇸 GODADDY-DNS97.74.100.0/23}
			PTR	`ns21.domaincontrol.com`
NS	`ns22.domaincontrol.com`
		A	2603:5:2241::b^{🇺🇸 GODADDY-DNS2603:5:2240::/44}
			PTR	`ns22.domaincontrol.com`
		A	173.201.68.11^{🇺🇸 GODADDY-DNS173.201.68.0/23}
			PTR	`ns22.domaincontrol.com`
MX	`blizzard-relay.mxrouting.net` ⭐
		A	45.43.208.19^{🇺🇸 QUICKPACKET45.43.208.0/24 QuickPacket LLC}
			PTR	`blizzard.mxrouting.net`
MX	`blizzard.mxrouting.net`⁽¹⁰⁾
		A	45.43.208.19^{🇺🇸 QUICKPACKET45.43.208.0/24 QuickPacket LLC}
			PTR	`blizzard.mxrouting.net`
TXT	`v=spf1 include:mxroute.com -all`
TXT	`google-site-verification=smNE0w3se9uW8xzJyFg1oc2Jl40lMkGn-LJVOmEjQ0g`
SOA	`ns21.domaincontrol.com`dns@jomax.net 2024-05-23 #3

`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

Subdomains

mail.smartbearlearning.com

Same first word

smartbearlearning.com

DNS History

8 records (5 active, 3 former)

●NSns21.domaincontrol.com2015-05-20 → 2026-03-07 · 2 obs

● 2015-05-20 22:34:56
● 2026-03-07 06:20:08

●NSns22.domaincontrol.com2015-05-20 → 2026-03-07 · 2 obs

● 2015-05-20 22:34:56
● 2026-03-07 06:20:08

●MXblizzard-relay.mxrouting.net2026-03-07 → 2026-03-07 · 3 obs

○ 2017-09-30 18:38:38
● 2026-03-07 06:20:06
● 2026-03-07 06:20:08

●MXblizzard.mxrouting.net2026-03-07 → 2026-03-07 · 3 obs

○ 2017-09-30 18:38:38
● 2026-03-07 06:20:06
● 2026-03-07 06:20:08

○MXmail.smartbearlearning.com2015-05-20 → 2017-09-30 · 4 obs

● 2015-05-20 22:34:56
● 2017-09-30 18:38:38
○ 2026-03-07 06:20:06
○ 2026-03-07 06:20:08

○A209.181.78.2512015-05-20 → 2015-12-23 · 4 obs

● 2015-05-20 22:34:56
● 2015-12-23 11:46:10
○ 2016-04-03 16:14:14
○ 2026-03-07 06:20:08

●A67.41.154.1332026-03-07 → 2026-03-07 · 3 obs

○ 2017-09-30 18:38:38
● 2026-03-07 06:20:06
● 2026-03-07 06:20:08

○A67.41.154.1342016-04-03 → 2017-09-30 · 5 obs

○ 2015-12-23 11:46:10
● 2016-04-03 16:14:14
● 2017-09-30 18:38:38
○ 2026-03-07 06:20:06
○ 2026-03-07 06:20:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, c.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net...	-
smartbearlearning.com	ns21.domaincontrol.com, ns22.domaincontrol.com	4 records

✅ Authoritative Response

Server: 97.74.100.11

NS records: ns21.domaincontrol.com, ns22.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smartbearlearning.com (unsigned zone)

⏱️ Timing

Total: 375ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`67.41.154.133`
NS	2	`ns21.domaincontrol.com, ns22.domaincontrol.com`
MX	2	`blizzard.mxrouting.net (pri: 0), blizzard-relay.mxrouting.net (pri: 10)`
TXT	2	`v=spf1 include:mxroute.com -all, google-site-verification=smNE0w3se9uW8xz`
SOA	1	`ns21.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns21.domaincontrol.com, ns21.domaincontrol.com, ns22.domaincontrol.com...)

Analysis

Hierarchy

mail.smartbearlearning.com is a child of smartbearlearning.com.

IP Addresses

smartbearlearning.com resolves to one IP number: 67.41.154.133.

Name Servers

smartbearlearning.com's delegation uses two name servers: ns21.domaincontrol.com and ns22.domaincontrol.com.

smartbearlearning.com uses the same name server setup as other domains, such as theswingshack.net, primetires.com, myboyfriend.co.uk, coolshare.org and henlowgrillonline.co.uk.

smartbearlearning.com at least partially shares name servers with other domains, for example kurukshetra.com.

Host names with two IPs:

ns21.domaincontrol.com points to 2603:5:2141::b and 97.74.100.11

ns22.domaincontrol.com points to 2603:5:2241::b and 173.201.68.11

Mail Servers

smartbearlearning.com is served by two mail servers blizzard-relay.mxrouting.net and blizzard.mxrouting.net.

smartbearlearning.com shares the same mail server setup as other domains, for instance jasonish.org, pangdundun.de, treatcurefast.com, pylo.co and arabians.dev.

smartbearlearning.com shares at least some mail servers with other domains, for example sixbats.com, arboretumstudios.com, jkmk.net.cdn.cloudflare.net, cultdigital.com and big-pete.nl.

Host names with a single IP number:

The host name blizzard-relay.mxrouting.net points to 45.43.208.19.

The host name blizzard.mxrouting.net points to 45.43.208.19.

Host names pointing to 45.43.208.19: blizzard-relay.mxrouting.net and blizzard.mxrouting.net.

smartbearlearning.com - robtex.com