sydney-study.com - dns.ninja

`sydney-study.com`

DNSSEC	⚠️ Not signed
A	2001:4860:4802:32::15^{🇺🇸 Google2001:4860::/32}
		PTR	`any-in-2001-4860-4802-32--15.1e100.net`
A	2001:4860:4802:34::15^{🇺🇸 Google2001:4860::/32}
A	2001:4860:4802:36::15^{🇺🇸 Google2001:4860::/32}
A	2001:4860:4802:38::15^{🇺🇸 Google2001:4860::/32}
A	216.239.32.21^{🇺🇸 Google216.239.32.0/24}
A	216.239.34.21^{🇺🇸 Google216.239.34.0/24}
A	216.239.36.21^{🇺🇸 Google216.239.36.0/24}
A	216.239.38.21^{🇺🇸 Google216.239.38.0/24}
NS	`sydney-study.com` ⭐
		A	2001:4860:4802:32::15^{🇺🇸 Google2001:4860::/32}
			PTR	`any-in-2001-4860-4802-32--15.1e100.net`
		A	2001:4860:4802:34::15^{🇺🇸 Google2001:4860::/32}
			PTR	`any-in-2001-4860-4802-34--15.1e100.net`
		A	2001:4860:4802:36::15^{🇺🇸 Google2001:4860::/32}
			PTR	`any-in-2001-4860-4802-36--15.1e100.net`
		A	2001:4860:4802:38::15^{🇺🇸 Google2001:4860::/32}
			PTR	`any-in-2001-4860-4802-38--15.1e100.net`
		A	216.239.32.21^{🇺🇸 Google216.239.32.0/24}
			PTR	`any-in-2015.1e100.net`
		A	216.239.34.21^{🇺🇸 Google216.239.34.0/24}
			PTR	`any-in-2215.1e100.net`
		A	216.239.36.21^{🇺🇸 Google216.239.36.0/24}
			PTR	`any-in-2415.1e100.net`
		A	216.239.38.21^{🇺🇸 Google216.239.38.0/24}
			PTR	`any-in-2615.1e100.net`
NS	`dns01.muumuu-domain.com`
		A	202.239.23.39^{🇯🇵 IDC202.239.23.0/24 Frontier Inc.}
NS	`dns02.muumuu-domain.com`
		A	160.251.249.62^{🇯🇵 GMOOSK-NET160.251.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
MX	`mb.sydney-study.com` ⭐
		A	164.46.33.9^{🇯🇵 IDC164.46.32.0/19 Frontier Inc.}
			PTR	`rose-lanthanum109.znlc.jp`
TXT	`v=spf1 +ip4:164.46.33.9 ~all`
SOA	`sydney-study.com`postmaster@sydney-study.com serial=1658988467

`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=1785874414

NS for

sydney-study.com

Subdomains

mb.sydney-study.com

Same first word

sydney-study.com

DNS History

13 records (12 active, 1 former)

●NSdns01.muumuu-domain.com2015-07-13 → 2026-08-04 · 2 obs

● 2015-07-13 04:09:26
● 2026-08-04 20:21:32

●NSdns02.muumuu-domain.com2015-07-13 → 2026-08-04 · 2 obs

● 2015-07-13 04:09:26
● 2026-08-04 20:21:32

●NSsydney-study.com2015-07-13 → 2026-08-04 · 2 obs

● 2015-07-13 04:09:26
● 2026-08-04 20:21:32

●MXmb.sydney-study.com2015-07-13 → 2026-08-04 · 2 obs

● 2015-07-13 04:09:26
● 2026-08-04 20:21:32

●A2001:4860:4802:32::152026-04-14 → 2026-08-04 · 3 obs

○ 2018-11-30 14:04:08
● 2026-04-14 15:51:36
● 2026-08-04 20:21:32

●A2001:4860:4802:34::152026-04-14 → 2026-08-04 · 3 obs

○ 2018-11-30 14:04:08
● 2026-04-14 15:51:36
● 2026-08-04 20:21:32

●A2001:4860:4802:36::152026-04-14 → 2026-08-04 · 3 obs

○ 2018-11-30 14:04:08
● 2026-04-14 15:51:36
● 2026-08-04 20:21:32

●A2001:4860:4802:38::152026-04-14 → 2026-08-04 · 3 obs

○ 2018-11-30 14:04:08
● 2026-04-14 15:51:36
● 2026-08-04 20:21:32

○A210.149.180.1252015-07-13 → 2018-11-30 · 4 obs

● 2015-07-13 04:09:26
● 2018-11-30 14:04:08
○ 2026-04-14 15:51:36
○ 2026-08-04 20:21:32

●A216.239.32.212026-04-14 → 2026-08-04 · 3 obs

○ 2018-11-30 14:04:08
● 2026-04-14 15:51:36
● 2026-08-04 20:21:32

●A216.239.34.212026-04-14 → 2026-08-04 · 3 obs

○ 2018-11-30 14:04:08
● 2026-04-14 15:51:36
● 2026-08-04 20:21:32

●A216.239.36.212026-04-14 → 2026-08-04 · 3 obs

○ 2018-11-30 14:04:08
● 2026-04-14 15:51:36
● 2026-08-04 20:21:32

●A216.239.38.212026-04-14 → 2026-08-04 · 3 obs

○ 2018-11-30 14:04:08
● 2026-04-14 15:51:36
● 2026-08-04 20:21:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sydney-study.com	dns01.muumuu-domain.com, dns02.muumuu-domain.com	2 records

✅ Authoritative Response

Server:202.239.23.39

NS records: dns01.muumuu-domain.com, dns02.muumuu-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sydney-study.com (unsigned zone)

⏱️ Timing

Total: 451ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`216.239.32.21, 216.239.38.21...`
AAAA	4	`2001:4860:4802:38::15, 2001:4860:4802:36::15...`
NS	2	`dns02.muumuu-domain.com, dns01.muumuu-domain.com`
MX	1	`mb.sydney-study.com (pri: 10)`
TXT	1	`v=spf1 +ip4:164.46.33.9 ~all`
SOA	1	`sydney-study.com postmaster.sydney-study`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns01.muumuu-domain.com, dns02.muumuu-domain.com)

Analysis

Hierarchy

mb.sydney-study.com is delegated beneath sydney-study.com.

Name Server Role

The NS records for sydney-study.com point back to sydney-study.com itself.

It is common to find dns01.muumuu-domain.com and dns02.muumuu-domain.com serving as name servers together with sydney-study.com.

IP Addresses

sydney-study.com directs to 8 IP numbers: 216.239.32.21, 216.239.34.21, 216.239.36.21 and 5 other.

Two other host names, along with tiki-tahiti.com, latizal.com and simemi.in, also share IP numbers with sydney-study.com.

Name Servers

sydney-study.com delegates authority to three name servers — sydney-study.com, dns01.muumuu-domain.com and dns02.muumuu-domain.com.

There is at least partial name server overlap between sydney-study.com and other domains — enyabridge.com, ig-package.com, bubblefc.com and two more among them.

DNS names with 8 IP addresses:

sydney-study.com carries IP addresses 216.239.32.21, 216.239.34.21 and 216.239.36.21, with 5 other addresses beyond those.

Host names that point to one IP address:

dns01.muumuu-domain.com points to the IP address 202.239.23.39.

dns02.muumuu-domain.com points to the IP address 160.251.249.62.

Mail Servers

The sole mail server for sydney-study.com is mb.sydney-study.com.

There is one IP number for mb.sydney-study.com: 164.46.33.9.