bacstudy.com - dns.ninja

`bacstudy.com`

DNSSEC	⚠️ Not signed
A	2a03:4900:0:6037:80:78:250:64^{🇷🇺 AS-REGRU2a03:4900::/48}
		PTR	`cp422.agava.net`
A	31.31.198.188^{🇷🇺 AS-REGRU31.31.198.0/24 Reg.Ru}
NS	`ns1.agava.ru` ⭐
		A	2a00:f940:4::47^{🇷🇺 AS-REGRU2a00:f940:4::/48 Reg.Ru SRS Infrastructure Route}
			PTR	`ns1.reg.ru`
		A	194.58.117.11^{🇷🇺 AS-REGRU194.58.117.0/24 Reg.Ru}
			PTR	`ns1.reg.ru`
NS	`ns2.agava.ru`
		A	2a00:f940:5::190^{🇷🇺 AS-REGRU2a00:f940:5::/48 Reg.Ru SRS Infrastructure Route}
			PTR	`ns2.reg.ru`
		A	194.58.117.12^{🇷🇺 AS-REGRU194.58.117.0/24 Reg.Ru}
			PTR	`ns2.reg.ru`
MX	`mx.yandex.net` ⭐
		A	2a02:6b8::311^{🇷🇺 TELETECH2a02:6b8::/32 Yandex network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
		A	77.88.21.249^{🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
TXT	`v=spf1 ip4:31.31.198.188 a mx include:_spf.yandex.net ~all`
SOA	`ns1.agava.ru`hostmaster@ns1.agava.ru serial=1753859728

`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=1783762647

Same first word

bacstudy.com

Similar names

abcstudy.ru

acbstudy.co.kr

abcstudy.com.au

DNS History

9 records (5 active, 4 former)

●NSns1.agava.ru2019-04-07 → 2026-07-11 · 3 obs

○ 2017-02-10 09:00:54
● 2019-04-07 05:43:48
● 2026-07-11 10:03:34

○NSns1.reg.ru2017-02-10 → 2019-04-07 · 4 obs

● 2017-02-10 09:00:54
● 2019-04-07 05:43:48
○ 2026-02-28 21:03:10
○ 2026-07-11 10:03:34

●NSns2.agava.ru2019-04-07 → 2026-07-11 · 3 obs

○ 2017-02-10 09:00:54
● 2019-04-07 05:43:48
● 2026-07-11 10:03:34

○NSns2.reg.ru2017-02-10 → 2019-04-07 · 4 obs

● 2017-02-10 09:00:54
● 2019-04-07 05:43:48
○ 2026-02-28 21:03:10
○ 2026-07-11 10:03:34

○MXcluster.relay.agava.net2017-02-10 → 2017-02-10 · 3 obs

● 2017-02-10 09:00:54
○ 2019-04-07 05:43:48
○ 2026-07-11 10:03:34

●MXmx.yandex.net2019-04-07 → 2026-07-11 · 3 obs

○ 2017-02-10 09:00:54
● 2019-04-07 05:43:48
● 2026-07-11 10:03:34

●A2a03:4900:0:6037:80:78:250:642017-02-10 → 2026-07-11 · 2 obs

● 2017-02-10 09:00:54
● 2026-07-11 10:03:34

●A31.31.198.1882026-02-28 → 2026-07-11 · 3 obs

○ 2019-04-07 05:43:48
● 2026-02-28 21:03:10
● 2026-07-11 10:03:34

○A80.78.250.642017-02-10 → 2019-04-07 · 4 obs

● 2017-02-10 09:00:54
● 2019-04-07 05:43:48
○ 2026-02-28 21:03:10
○ 2026-07-11 10:03:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
bacstudy.com	ns1.agava.ru, ns2.agava.ru	-

✅ Authoritative Response

Server:194.58.117.12

NS records: ns1.agava.ru, ns2.agava.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bacstudy.com (unsigned zone)

⏱️ Timing

Total: 1016ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`31.31.198.188`
AAAA	1	`2a03:4900:0:6037:80:78:250:64`
NS	2	`ns1.agava.ru, ns2.agava.ru`
MX	1	`mx.yandex.net (pri: 10)`
TXT	1	`v=spf1 ip4:31.31.198.188 a mx include:_s`
SOA	1	`ns1.agava.ru hostmaster.ns1.agava.ru`

Analysis

IP Addresses

bacstudy.com points to the IP addresses 31.31.198.188 and 2a03:4900:0:6037:80:78:250:64

Two other host names, along with www.kitoboi.ru, skhotel.ru and ptes.ru, also share IP numbers with bacstudy.com.

Name Servers

The NS records for bacstudy.com delegate to ns1.agava.ru and ns2.agava.ru.

bacstudy.com shares its NS records with other domains, for example oooirtb.ru, proverilnasebe.com, mizuno.com.ru and two others.

At least some of bacstudy.com's name servers are shared with other domains, for example rodnovery.ru, gudkova-21.ru, svetliy-mir.ru and two more.

These name servers tend to be deployed in combination with the name servers ns1.reg.ru and ns2.reg.ru.

ns1.agava.ru resolves to 194.58.117.11 and 2a00:f940:4::47. Likewise, ns2.agava.ru resolves to 194.58.117.12 and 2a00:f940:5::190 — two IP addresses apiece.

Mail Servers

The sole mail server for bacstudy.com is mx.yandex.net.

Among the domains sharing a mail server setup with bacstudy.com are btcpeers.com, www.imoby.ru, cyberwind.ru and two others.

At least a portion of bacstudy.com's mail servers are shared with other domains, among them lombardblago.ru and idudu.ru.

mx.yandex.net directs to two IP numbers, 77.88.21.249 and 2a02:6b8::311.