barcourse.com - dns.ninja

`barcourse.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.namefind.com` ⭐
		A	97.74.99.64^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns1.namefind.com`
NS	`ns2.namefind.com`
		A	173.201.67.64^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns2.namefind.com`
TXT	`v=spf1 -all`
SOA	`ns1.namefind.com`dns@jomax.net 2023-03-15 #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=1782574750

Same first word

barcourse.com

barcourse.com.au

Similar names

DNS History

17 records (4 active, 13 former)

○NSbuy.internettraffic.com2015-11-08 → 2016-05-04 · 5 obs

○ 2015-05-02 15:41:58
● 2015-11-08 05:18:46
● 2016-05-04 05:54:16
○ 2017-02-13 06:01:56
○ 2026-06-27 16:09:14

○NSns1.mark.com2015-05-02 → 2015-05-02 · 3 obs

● 2015-05-02 15:41:58
○ 2015-11-08 05:18:46
○ 2026-06-27 16:09:14

●NSns1.namefind.com2026-03-06 → 2026-06-27 · 3 obs

○ 2017-02-13 06:01:56
● 2026-03-06 06:55:46
● 2026-06-27 16:09:14

○NSns1.uniregistrymarket.link2017-02-13 → 2017-02-13 · 4 obs

○ 2016-05-04 05:54:16
● 2017-02-13 06:01:56
○ 2026-03-06 06:55:46
○ 2026-06-27 16:09:14

○NSns2.mark.com2015-05-02 → 2015-05-02 · 3 obs

● 2015-05-02 15:41:58
○ 2015-11-08 05:18:46
○ 2026-06-27 16:09:14

●NSns2.namefind.com2026-03-06 → 2026-06-27 · 3 obs

○ 2017-02-13 06:01:56
● 2026-03-06 06:55:46
● 2026-06-27 16:09:14

○NSns2.uniregistrymarket.link2017-02-13 → 2017-02-13 · 4 obs

○ 2016-05-04 05:54:16
● 2017-02-13 06:01:56
○ 2026-03-06 06:55:46
○ 2026-06-27 16:09:14

○NSsell.internettraffic.com2015-11-08 → 2016-05-04 · 5 obs

○ 2015-05-02 15:41:58
● 2015-11-08 05:18:46
● 2016-05-04 05:54:16
○ 2017-02-13 06:01:56
○ 2026-06-27 16:09:14

○MXnullmx.barcourse.com2015-05-02 → 2015-05-02 · 3 obs

● 2015-05-02 15:41:58
○ 2015-11-08 05:18:46
○ 2026-06-27 16:09:14

○A107.20.201.152015-05-02 → 2015-05-02 · 3 obs

● 2015-05-02 15:41:58
○ 2015-11-08 05:18:46
○ 2026-06-27 16:09:14

●A13.248.169.482026-03-06 → 2026-06-27 · 3 obs

○ 2017-02-13 06:01:56
● 2026-03-06 06:55:46
● 2026-06-27 16:09:14

○A2406:da00:ff00::36f3:20192015-05-02 → 2015-05-02 · 3 obs

● 2015-05-02 15:41:58
○ 2015-11-08 05:18:46
○ 2026-06-27 16:09:14

○A2406:da00:ff00::6b14:c90f2015-05-02 → 2015-05-02 · 3 obs

● 2015-05-02 15:41:58
○ 2015-11-08 05:18:46
○ 2026-06-27 16:09:14

○A54.243.32.252015-05-02 → 2015-05-02 · 3 obs

● 2015-05-02 15:41:58
○ 2015-11-08 05:18:46
○ 2026-06-27 16:09:14

○A69.172.201.1532016-05-04 → 2017-02-13 · 5 obs

○ 2016-02-10 03:34:40
● 2016-05-04 05:54:16
● 2017-02-13 06:01:56
○ 2026-03-06 06:55:46
○ 2026-06-27 16:09:14

○A69.172.201.2082015-11-08 → 2016-02-10 · 5 obs

○ 2015-05-02 15:41:58
● 2015-11-08 05:18:46
● 2016-02-10 03:34:40
○ 2016-05-04 05:54:16
○ 2026-06-27 16:09:14

●A76.223.54.1462026-03-06 → 2026-06-27 · 3 obs

○ 2017-02-13 06:01:56
● 2026-03-06 06:55:46
● 2026-06-27 16:09:14

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:97.74.99.64

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for barcourse.com (unsigned zone)

⏱️ Timing

Total: 140ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.248.169.48, 76.223.54.146`
NS	2	`ns1.namefind.com, ns2.namefind.com`
TXT	1	`v=spf1 -all`
SOA	1	`ns1.namefind.com dns.jomax.net`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

barcourse.com resolves to the IP addresses 13.248.169.48 and 76.223.54.146

Among the host names that share IP numbers with barcourse.com are freenewsletter.com, curvysea.com, guunit.com and two others.

Name Servers

barcourse.com uses two name servers for its delegation: ns1.namefind.com and ns2.namefind.com.

barcourse.com has the same name server delegation as a number of other domains, such as plies.org, inechallah.com, gythio.com and two more.

At least some of barcourse.com's name servers are also used by other domains, among them tgm.info.

ns1.namefind.com directs to 97.74.99.64 and ns2.namefind.com directs to 173.201.67.64; each host name points to exactly one IP number.