`pythonbestcourses.com`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`ip-13-248-169-48.defastlink.net`
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-d3jclucsp89ganyqbydeny.ns101.verify.hn` ⚠️ Not in zone NS records
		A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
			PTR	`ip-13-248-169-48.defastlink.net`
		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=1776213127

Previously MX for

pythonbestcourses.com

Same first word

pythonbestcourses.com

DNS History

9 records (5 active, 4 former)

●NSns1.afternic.com2026-03-31 → 2026-04-15 · 3 obs

○ 2019-03-27 21:02:10
● 2026-03-31 02:06:06
● 2026-04-15 00:33:50

○NSns1.eassylife.com2019-03-27 → 2019-03-27 · 3 obs

● 2019-03-27 21:02:10
○ 2026-03-31 02:06:06
○ 2026-04-15 00:33:50

●NSns2.afternic.com2026-03-31 → 2026-04-15 · 3 obs

○ 2019-03-27 21:02:10
● 2026-03-31 02:06:06
● 2026-04-15 00:33:50

○NSns2.eassylife.com2019-03-27 → 2019-03-27 · 3 obs

● 2019-03-27 21:02:10
○ 2026-03-31 02:06:06
○ 2026-04-15 00:33:50

●NSverification-d3jclucsp89ganyqbydeny.ns101.verify.hn2026-03-31 → 2026-04-15 · 3 obs

○ 2019-03-27 21:02:10
● 2026-03-31 02:06:06
● 2026-04-15 00:33:50

○MXpythonbestcourses.com2019-03-27 → 2019-03-27 · 3 obs

● 2019-03-27 21:02:10
○ 2026-03-31 02:06:06
○ 2026-04-15 00:33:50

●A13.248.169.482026-03-31 → 2026-04-15 · 3 obs

○ 2019-03-27 21:02:10
● 2026-03-31 02:06:06
● 2026-04-15 00:33:50

○A176.9.119.22019-03-27 → 2019-03-27 · 3 obs

● 2019-03-27 21:02:10
○ 2026-03-31 02:06:06
○ 2026-04-15 00:33:50

●A76.223.54.1462026-03-31 → 2026-04-15 · 3 obs

○ 2019-03-27 21:02:10
● 2026-03-31 02:06:06
● 2026-04-15 00:33:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net...	-
pythonbestcourses.com	ns1.afternic.com, ns2.afternic.com, verification-d3jclucsp89ganyqbydeny.ns101.verify.hn	4 records

✅ Authoritative Response

Server:97.74.98.69

NS records: ns1.afternic.com, ns2.afternic.com, verification-d3jclucsp89ganyqbydeny.ns101.verify.hn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pythonbestcourses.com (unsigned zone)

⏱️ Timing

Total: 3301ms | 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

pythonbestcourses.com points to two IP numbers: 13.248.169.48 and 76.223.54.146.

Other host names, for instance nullmx.astroarena.com, candyw.com, asia.caulyndarr.6sided.net, www.www.gc818.com and fulicaipiao36xuan7kaijiangjieguo.j-company.com share IP numbers with pythonbestcourses.com.

Name Servers

The delegation for pythonbestcourses.com is handled by three name servers: ns1.afternic.com, ns2.afternic.com and verification-d3jclucsp89ganyqbydeny.ns101.verify.hn.

pythonbestcourses.com at least partially shares name servers with other domains, for instance mx.spacecat.us, safepccleaner.publicsets.com, mail.bbwfanclub.com, luxeselect.com and gsmoke.com.

These name servers are commonly used with the name servers verification-b53f8hy6rfkwpz8gs2dmu4.ns101.verify.hn.

Two IP numbers per host:

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-d3jclucsp89ganyqbydeny.ns101.verify.hn points to 13.248.169.48 and 76.223.54.146.

pythonbestcourses.com - robtex.com