`buildercourses.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.afternic.com` ⭐
		A	2603:5:2126::45^{🇺🇸 GODADDY-DNS2603:5:2120::/44}
			PTR	`ns1.afternic.com`
		A	97.74.98.69^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns1.afternic.com`
NS	`ns2.afternic.com`
		A	2603:5:2226::45^{🇺🇸 GODADDY-DNS2603:5:2220::/44}
			PTR	`ns2.afternic.com`
		A	173.201.66.69^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns2.afternic.com`
NS	`verification-urj2ap2akmgcchkhharttb.ns101.verify.hn` ⚠️ Not in zone NS records
		A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
			PTR	`a904c694c05102f30.awsglobalaccelerator.com`
		A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
			PTR	`a904c694c05102f30.awsglobalaccelerator.com`
TXT	`v=spf1 -all`
SOA	`ns1.afternic.com`dns@jomax.net serial=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=1778386211

Same first word

buildercourses.com

Similar names

buildresources.org

coursebuilders.com

buildresources.co.uk

bouldercruises.com

DNS History

8 records (5 active, 3 former)

●NSns1.afternic.com2026-04-10 → 2026-05-10 · 3 obs

○ 2018-10-31 12:57:20
● 2026-04-10 15:52:50
● 2026-05-10 04:34:28

○NSns1.crazydomains.com2016-12-20 → 2018-10-31 · 4 obs

● 2016-12-20 20:43:34
● 2018-10-31 12:57:20
○ 2026-04-10 15:52:50
○ 2026-05-10 04:34:28

●NSns2.afternic.com2026-04-10 → 2026-05-10 · 3 obs

○ 2018-10-31 12:57:20
● 2026-04-10 15:52:50
● 2026-05-10 04:34:28

○NSns2.crazydomains.com2016-12-20 → 2018-10-31 · 4 obs

● 2016-12-20 20:43:34
● 2018-10-31 12:57:20
○ 2026-04-10 15:52:50
○ 2026-05-10 04:34:28

●NSverification-urj2ap2akmgcchkhharttb.ns101.verify.hn2026-04-10 → 2026-05-10 · 3 obs

○ 2018-10-31 12:57:20
● 2026-04-10 15:52:50
● 2026-05-10 04:34:28

●A13.248.169.482026-04-10 → 2026-05-10 · 3 obs

○ 2018-10-31 12:57:20
● 2026-04-10 15:52:50
● 2026-05-10 04:34:28

○A27.124.118.2522016-12-20 → 2018-10-31 · 4 obs

● 2016-12-20 20:43:34
● 2018-10-31 12:57:20
○ 2026-04-10 15:52:50
○ 2026-05-10 04:34:28

●A76.223.54.1462026-04-10 → 2026-05-10 · 3 obs

○ 2018-10-31 12:57:20
● 2026-04-10 15:52:50
● 2026-05-10 04:34:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, i.gtld-servers.net...	-
buildercourses.com	ns1.afternic.com, ns2.afternic.com, verification-urj2ap2akmgcchkhharttb.ns101.verify.hn	4 records

✅ Authoritative Response

Server:97.74.98.69

NS records: ns1.afternic.com, ns2.afternic.com, verification-urj2ap2akmgcchkhharttb.ns101.verify.hn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for buildercourses.com (unsigned zone)

⏱️ Timing

Total: 3547ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`76.223.54.146, 13.248.169.48`
NS	2	`ns1.afternic.com, ns2.afternic.com`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`ns1.afternic.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

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

Analysis

IP Addresses

Two IP numbers are pointed to by buildercourses.com: 13.248.169.48 and 76.223.54.146.

other host names include zenessi.com, htscores.com, mallorca-fewo.de, tahiland.com and complexsugar.com; they share IP numbers with buildercourses.com.

Name Servers

buildercourses.com is delegated to three name servers ns1.afternic.com, ns2.afternic.com and verification-urj2ap2akmgcchkhharttb.ns101.verify.hn.

buildercourses.com at least partially shares name servers with other domains, for instance praxisedge.com, caretrader.com, heribe.com, puroaudio.com and codingfx.com.

These name servers are commonly used with verification-d3jclucsp89ganyqbydeny.ns101.verify.hn and verification-vesbet7nkettdw2mc9cgox.ns101.verify.hn.

Host names with two IP numbers:

ns1.afternic.com points to 2603:5:2126::45 and 97.74.98.69; ns2.afternic.com points to 2603:5:2226::45 and 173.201.66.69; verification-urj2ap2akmgcchkhharttb.ns101.verify.hn points to 13.248.169.48 and 76.223.54.146.

buildercourses.com - robtex.com