abc-course.com - dns.ninja

`abc-course.com`

DNSSEC	⚠️ Not signed
A	34.202.63.170^{🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix}
NS	`redirns1.bgdns.net` ⭐
		A	87.120.40.31^{🇧🇬 SUPERHOSTING_AS87.120.40.0/24 SuperHosting.BG Ltd.}
			PTR	`redirns1.bgdns.net`
NS	`redirns2.bgdns.net`
		A	37.58.63.210^{🇩🇪 LEASEWEB-DE-FRA-1037.58.48.0/20 routed via LeaseWeb DE}
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1d::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f26.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
TXT	`VmGEpNvhLZzF2Bg64qPtTUURCXVS5y2dBM17TfP9DDQ`
TXT	`google-site-verification=97-WwFOs1siX8YCHHdOWibP4XNqtkGyHEOWLSJ8mb1k`
SOA	`redirns1.bgdns.net`hostmaster@superhosting.bg 2018-02-27 #15

`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=1785408852

Same first word

abc-course.com

DNS History

16 records (8 active, 8 former)

○NSdns1.registrar-servers.com2018-11-08 → 2018-11-08 · 3 obs

● 2018-11-08 23:29:22
○ 2026-02-27 17:05:54
○ 2026-07-30 11:16:00

○NSdns2.registrar-servers.com2018-11-08 → 2018-11-08 · 3 obs

● 2018-11-08 23:29:22
○ 2026-02-27 17:05:54
○ 2026-07-30 11:16:00

●NSredirns1.bgdns.net2026-02-27 → 2026-07-30 · 3 obs

○ 2018-11-08 23:29:22
● 2026-02-27 17:05:54
● 2026-07-30 11:16:00

●NSredirns2.bgdns.net2026-02-27 → 2026-07-30 · 3 obs

○ 2018-11-08 23:29:22
● 2026-02-27 17:05:54
● 2026-07-30 11:16:00

●MXalt1.aspmx.l.google.com2026-02-27 → 2026-07-30 · 3 obs

○ 2018-11-08 23:29:22
● 2026-02-27 17:05:54
● 2026-07-30 11:16:00

●MXalt2.aspmx.l.google.com2026-02-27 → 2026-07-30 · 3 obs

○ 2018-11-08 23:29:22
● 2026-02-27 17:05:54
● 2026-07-30 11:16:00

●MXalt3.aspmx.l.google.com2026-02-27 → 2026-07-30 · 3 obs

○ 2018-11-08 23:29:22
● 2026-02-27 17:05:54
● 2026-07-30 11:16:00

●MXalt4.aspmx.l.google.com2026-02-27 → 2026-07-30 · 3 obs

○ 2018-11-08 23:29:22
● 2026-02-27 17:05:54
● 2026-07-30 11:16:00

●MXaspmx.l.google.com2026-02-27 → 2026-07-30 · 3 obs

○ 2018-11-08 23:29:22
● 2026-02-27 17:05:54
● 2026-07-30 11:16:00

○MXeforward1.registrar-servers.com2018-11-08 → 2018-11-08 · 3 obs

● 2018-11-08 23:29:22
○ 2026-02-27 17:05:54
○ 2026-07-30 11:16:00

○MXeforward2.registrar-servers.com2018-11-08 → 2018-11-08 · 3 obs

● 2018-11-08 23:29:22
○ 2026-02-27 17:05:54
○ 2026-07-30 11:16:00

○MXeforward3.registrar-servers.com2018-11-08 → 2018-11-08 · 3 obs

● 2018-11-08 23:29:22
○ 2026-02-27 17:05:54
○ 2026-07-30 11:16:00

○MXeforward4.registrar-servers.com2018-11-08 → 2018-11-08 · 3 obs

● 2018-11-08 23:29:22
○ 2026-02-27 17:05:54
○ 2026-07-30 11:16:00

○MXeforward5.registrar-servers.com2018-11-08 → 2018-11-08 · 3 obs

● 2018-11-08 23:29:22
○ 2026-02-27 17:05:54
○ 2026-07-30 11:16:00

●A34.202.63.1702026-02-27 → 2026-07-30 · 3 obs

○ 2018-11-08 23:29:22
● 2026-02-27 17:05:54
● 2026-07-30 11:16:00

○A45.79.133.1812018-11-08 → 2018-11-08 · 3 obs

● 2018-11-08 23:29:22
○ 2026-02-27 17:05:54
○ 2026-07-30 11:16:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
abc-course.com	redirns1.bgdns.net, redirns2.bgdns.net	-

✅ Authoritative Response

Server:87.120.40.31

NS records: redirns1.bgdns.net, redirns2.bgdns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for abc-course.com (unsigned zone)

⏱️ Timing

Total: 900ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`34.202.63.170`
NS	2	`redirns1.bgdns.net, redirns2.bgdns.net`
MX	5	`ALT3.ASPMX.L.GOOGLE.COM (pri: 10), ASPMX.L.GOOGLE.COM (pri: 1)...`
TXT	2	`VmGEpNvhLZzF2Bg64qPtTUURCXVS5y2dBM17TfP9, google-site-verification=97-WwFOs1siX8YC`
SOA	1	`redirns1.bgdns.net hostmaster.superhosti`

Analysis

IP Addresses

abc-course.com has exactly one IP address — 34.202.63.170.

stwband.com, hotelninfa.com.ec, broughton-furness.cumbria.sch.uk plus two other host names have IP numbers in common with abc-course.com.

Name Servers

Two name servers handle the delegation for abc-course.com: redirns1.bgdns.net and redirns2.bgdns.net.

The name server configuration of abc-course.com is shared with other domains, for instance pgotpernik.com, bglit.org, boveko.eu and two others.

Some name servers delegated to abc-course.com are also used by other domains, notably coinbase.bg and ews-nfp.bg.

redirns1.bgdns.net → 87.120.40.31 and redirns2.bgdns.net → 37.58.63.210: one IP number per host name.

Mail Servers

abc-course.com has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by abc-course.com are shared with other domains: sindilojasfor.org.br, ns500699.ns500693.ns500699.ns500693.ns500734.ns500588.ns500588.ns500693.ns500588.ns500683.ns500588.ns500632.ns500588.ns500578.ns500110.dtrkdll.com, ns500731.ns500754.ns500671.ns500671.ns500754.ns500671.ns500705.ns500678.ns500671.ns500671.ns500671.ns500649.lustychickser.com and two others among them.

These mail servers are often deployed together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx.l.google.com resolves to two addresses: 192.178.155.26 and 2607:f8b0:4004:c1d::1a.

alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.27 and 2a00:1450:400c:c23::1a.