`buildersuniversity.com`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`a904c694c05102f30.awsglobalaccelerator.com`
A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
NS	`ns1.dan.com` ⭐
		A	2603:5:2125::43^{🇺🇸 GODADDY-DNS2603:5:2120::/44}
			PTR	`ns1.dan.com`
		A	97.74.98.67^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns1.dan.com`
NS	`ns2.dan.com`
		A	2603:5:2225::43^{🇺🇸 GODADDY-DNS2603:5:2220::/44}
			PTR	`ns2.dan.com`
		A	173.201.66.67^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns2.dan.com`
SOA	`ns1.dan.com`dns@jomax.net 2025-10-01 #0

`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

Same first word

buildersuniversity.com

DNS History

14 records (4 active, 10 former)

○NSbuy.internettraffic.com2015-06-18 → 2016-04-22 · 6 obs

● 2015-06-18 05:00:04
● 2015-10-31 23:31:04
○ 2016-02-03 02:26:04
● 2016-04-22 20:54:20
○ 2017-02-01 12:23:14
○ 2026-03-24 13:45:10

○NSns1.above.com2016-02-03 → 2016-02-03 · 4 obs

○ 2015-10-31 23:31:04
● 2016-02-03 02:26:04
○ 2016-04-22 20:54:20
○ 2026-03-24 13:45:10

●NSns1.dan.com2026-03-20 → 2026-03-24 · 3 obs

○ 2018-07-15 14:21:56
● 2026-03-20 16:56:28
● 2026-03-24 13:45:10

○NSns1.uniregistrymarket.link2017-02-01 → 2018-07-15 · 5 obs

○ 2016-04-22 20:54:20
● 2017-02-01 12:23:14
● 2018-07-15 14:21:56
○ 2026-03-20 16:56:28
○ 2026-03-24 13:45:10

○NSns2.above.com2016-02-03 → 2016-02-03 · 4 obs

○ 2015-10-31 23:31:04
● 2016-02-03 02:26:04
○ 2016-04-22 20:54:20
○ 2026-03-24 13:45:10

●NSns2.dan.com2026-03-20 → 2026-03-24 · 3 obs

○ 2018-07-15 14:21:56
● 2026-03-20 16:56:28
● 2026-03-24 13:45:10

○NSns2.uniregistrymarket.link2017-02-01 → 2018-07-15 · 5 obs

○ 2016-04-22 20:54:20
● 2017-02-01 12:23:14
● 2018-07-15 14:21:56
○ 2026-03-20 16:56:28
○ 2026-03-24 13:45:10

○NSsell.internettraffic.com2015-06-18 → 2016-04-22 · 6 obs

● 2015-06-18 05:00:04
● 2015-10-31 23:31:04
○ 2016-02-03 02:26:04
● 2016-04-22 20:54:20
○ 2017-02-01 12:23:14
○ 2026-03-24 13:45:10

○MXmail.post-host.net2016-02-03 → 2016-02-03 · 3 obs

● 2016-02-03 02:26:04
○ 2016-04-22 20:54:20
○ 2026-03-24 13:45:10

○A103.224.182.2442016-02-03 → 2016-02-03 · 4 obs

○ 2015-10-31 23:31:04
● 2016-02-03 02:26:04
○ 2016-04-22 20:54:20
○ 2026-03-24 13:45:10

●A13.248.169.482026-03-20 → 2026-03-24 · 3 obs

○ 2018-07-15 14:21:56
● 2026-03-20 16:56:28
● 2026-03-24 13:45:10

○A69.172.201.1532016-04-22 → 2018-07-15 · 5 obs

○ 2016-02-03 02:26:04
● 2016-04-22 20:54:20
● 2018-07-15 14:21:56
○ 2026-03-20 16:56:28
○ 2026-03-24 13:45:10

○A69.172.201.2082015-06-18 → 2015-10-31 · 4 obs

● 2015-06-18 05:00:04
● 2015-10-31 23:31:04
○ 2016-02-03 02:26:04
○ 2026-03-24 13:45:10

●A76.223.54.1462026-03-20 → 2026-03-24 · 3 obs

○ 2018-07-15 14:21:56
● 2026-03-20 16:56:28
● 2026-03-24 13:45:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net...	-
buildersuniversity.com	ns1.dan.com, ns2.dan.com	4 records

✅ Authoritative Response

Server:173.201.66.67

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for buildersuniversity.com (unsigned zone)

⏱️ Timing

Total: 107ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.248.169.48, 76.223.54.146`
NS	2	`ns1.dan.com, ns2.dan.com`
SOA	1	`ns1.dan.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.dan.com, ns1.dan.com, ns2.dan.com...)

Analysis

IP Addresses

The entity buildersuniversity.com points to two IP numbers: 13.248.169.48 and 76.223.54.146.

For instance, other host names nullmx.geomis.com, bet365o.com, sandman.co, www.tamilnetsong.com and otr24.com share IP numbers with buildersuniversity.com.

Name Servers

buildersuniversity.com is delegated to two name servers: ns1.dan.com and ns2.dan.com.

buildersuniversity.com uses the same name server setup as other domains such as 250.102.44.interkey.net, saarahs.com, ultrareview.com, sub-171ip152.carats.net and chekro.com.

buildersuniversity.com shares name servers with other domains at least partially, for example gridgen.com, weship.parts, mojemail.net, tutoring.tv and gigglenest.com.

These name servers are commonly used with the name servers ns1.undeveloped.com and ns2.undeveloped.com.

Host names with two IP numbers:

ns1.dan.com points to 2603:5:2125::43 and 97.74.98.67; ns2.dan.com points to 2603:5:2225::43 and 173.201.66.67.

buildersuniversity.com - robtex.com