`csnet.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:338^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:8246^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.3.56^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.130.70^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`sid.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b8f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sid.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sid.ns.cloudflare.com`
		A	108.162.193.143^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
		A	172.64.33.143^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
		A	173.245.59.143^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sid.ns.cloudflare.com`
NS	`zara.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a94^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c094^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2094^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zara.ns.cloudflare.com`
		A	108.162.192.148^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zara.ns.cloudflare.com`
		A	172.64.32.148^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zara.ns.cloudflare.com`
		A	173.245.58.148^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zara.ns.cloudflare.com`
MX	`mail.csnet.com` ⭐
		A	139.99.51.240^{🇸🇬 OVH139.99.0.0/17 Hosting route}
			PTR	`mail.csnet.com`
TXT	`v=spf1 a mx ip4:139.99.51.240 ip4:15.235.182.7 include:sendgrid.net include:_...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.3.56, 172.67.130.70
		IPv6 hints	2606:4700:3031::6815:338, 2606:4700:3036::ac43:8246
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=177, name=cloudflare-ech.com
SOA	`sid.ns.cloudflare.com`dns@cloudflare.com serial=2410025622

`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=1784624772

Subdomains

mail.csnet.com

Same first word

csnet.nl

csnet.de

csnet.net

csnet.me

csnet.com.au

csnet.com

csnet.coop

csnet.es

csnet.com.tr

csnet.co.uk

csnet.eu

csnet.ca

csnet.hu

csnet.co.za

csnet.site

csnet.asia

csnet.gr

csnet.be

csnet.sk

csnet.cl

csnet.us

csnet.cn

csnet.co.jp

csnet.net.au

csnet.tw

csnet.dk

csnet.inf.br

csnet.id

csnet.com.br

csnet.org

csnet.dyndns.tv

csnet.com.ar

csnet.ro

csnet.ru

csnet.it

Similar names

scent.marketing

scent.nl

scnet.gov.br

nects.com

cents.com.br

csent.org

netcs.com.mx

scnet.com.cn

scent.cz

censt.com

scent.academy

cnest.cn

nstec.ru

scent.com

scnet.io

netcs.co.jp

scent.bg

ecstn.com

necst.net

cnets.eu

snetc.dk

scent.is

ecstn.org

tnsec.com

nstec.com.br

netcs.co

scent.supply

entsc.com

necst.de

cents.cn

cents.us

scent.net

scent.city

netsc.fr

cents.info

netcs.co.uk

scent.ca

ctens.com

ntsec.gov.tw

scent.ru

scnet.link

scnet.com

nstec.co.jp

netsc.ch

scnet.cc

nsect.net

scent.ws

tsnec.cn

cents.io

sntec.sk

scent.com.tr

tsenc.co.kr

ntsec.edu.tw

scnet.org.uk

cents.life

tsenc.com

tnesc.com

tsenc.net

netsc.cn

netsc.trade

cents.eu

scnet.tv

scent.mv

scent.nyc

cestn.com

ctsen.com

scent.pro

ncest.com

cents.de

scent.es

ntsec.com

scnet.mobi

censt.cn

cnets.ca

etscn.com

scnet.biz

nstec.de

scent.co.kr

sntec.de

cnste.com

scent.dog

stecn.com

nsetc.com

cnets.ch

tnsec.de

scent.in.th

ntsec.com.br

tnsec.nic.in

cnets.org

censt.ru

DNS History

18 records (7 active, 11 former)

○NScsnetiis.csnet.com2015-08-23 → 2018-09-23 · 4 obs

● 2015-08-23 03:00:06
● 2018-09-23 08:04:14
○ 2026-02-15 10:14:32
○ 2026-07-21 09:29:08

○NScsnetmail.csnet.com2015-08-23 → 2018-09-23 · 4 obs

● 2015-08-23 03:00:06
● 2018-09-23 08:04:14
○ 2026-02-15 10:14:32
○ 2026-07-21 09:29:08

○NSns1.pendingrenewaldeletion.com2026-05-31 → 2026-05-31 · 4 obs

○ 2026-05-27 18:17:04
● 2026-05-31 13:39:14
○ 2026-06-09 06:44:38
○ 2026-07-21 09:29:08

○NSns2.pendingrenewaldeletion.com2026-05-31 → 2026-05-31 · 4 obs

○ 2026-05-27 18:17:04
● 2026-05-31 13:39:14
○ 2026-06-09 06:44:38
○ 2026-07-21 09:29:08

●NSsid.ns.cloudflare.com2026-02-15 → 2026-07-21 · 6 obs

○ 2018-09-23 08:04:14
● 2026-02-15 10:14:32
● 2026-05-27 18:17:04
○ 2026-05-31 13:39:14
● 2026-06-09 06:44:38
● 2026-07-21 09:29:08

●NSzara.ns.cloudflare.com2026-02-15 → 2026-07-21 · 6 obs

○ 2018-09-23 08:04:14
● 2026-02-15 10:14:32
● 2026-05-27 18:17:04
○ 2026-05-31 13:39:14
● 2026-06-09 06:44:38
● 2026-07-21 09:29:08

○MXcsnet-com.p10.mxthunder.com2016-01-09 → 2018-09-23 · 5 obs

○ 2015-08-23 03:00:06
● 2016-01-09 07:06:06
● 2018-09-23 08:04:14
○ 2026-02-15 10:14:32
○ 2026-07-21 09:29:08

○MXcsnet-com.p20.mxthunder.net2016-01-09 → 2018-09-23 · 5 obs

○ 2015-08-23 03:00:06
● 2016-01-09 07:06:06
● 2018-09-23 08:04:14
○ 2026-02-15 10:14:32
○ 2026-07-21 09:29:08

○MXcsnet-com.p30.mxthunder.net2016-01-09 → 2018-09-23 · 5 obs

○ 2015-08-23 03:00:06
● 2016-01-09 07:06:06
● 2018-09-23 08:04:14
○ 2026-02-15 10:14:32
○ 2026-07-21 09:29:08

○MXcsnet-com.p40.mxthunder.net2016-01-09 → 2018-09-23 · 5 obs

○ 2015-08-23 03:00:06
● 2016-01-09 07:06:06
● 2018-09-23 08:04:14
○ 2026-02-15 10:14:32
○ 2026-07-21 09:29:08

●MXmail.csnet.com2015-08-23 → 2026-07-21 · 9 obs

● 2015-08-23 03:00:06
● 2016-01-12 16:08:14
○ 2016-01-20 13:04:32
○ 2018-09-23 08:04:14
● 2026-02-15 10:14:32
● 2026-05-27 18:17:04
○ 2026-05-31 13:39:14
● 2026-06-09 06:44:38
● 2026-07-21 09:29:08

●A104.21.3.562026-02-15 → 2026-07-21 · 6 obs

○ 2018-09-23 08:04:14
● 2026-02-15 10:14:32
● 2026-05-27 18:17:04
○ 2026-05-31 13:39:14
● 2026-06-09 06:44:38
● 2026-07-21 09:29:08

●A172.67.130.702026-02-15 → 2026-07-21 · 6 obs

○ 2018-09-23 08:04:14
● 2026-02-15 10:14:32
● 2026-05-27 18:17:04
○ 2026-05-31 13:39:14
● 2026-06-09 06:44:38
● 2026-07-21 09:29:08

○A208.91.197.1322026-05-31 → 2026-05-31 · 4 obs

○ 2026-05-27 18:17:04
● 2026-05-31 13:39:14
○ 2026-06-09 06:44:38
○ 2026-07-21 09:29:08

●A2606:4700:3031::6815:3382026-06-23 → 2026-07-21 · 3 obs

○ 2026-06-09 06:44:38
● 2026-06-23 08:32:36
● 2026-07-21 09:29:08

○A2606:4700:3033::6815:3382026-02-15 → 2026-06-09 · 7 obs

○ 2018-09-23 08:04:14
● 2026-02-15 10:14:32
● 2026-05-27 18:17:04
○ 2026-05-31 13:39:14
● 2026-06-09 06:44:38
○ 2026-06-23 08:32:36
○ 2026-07-21 09:29:08

●A2606:4700:3036::ac43:82462026-02-15 → 2026-07-21 · 6 obs

○ 2018-09-23 08:04:14
● 2026-02-15 10:14:32
● 2026-05-27 18:17:04
○ 2026-05-31 13:39:14
● 2026-06-09 06:44:38
● 2026-07-21 09:29:08

○A64.88.187.742015-08-23 → 2018-09-23 · 4 obs

● 2015-08-23 03:00:06
● 2018-09-23 08:04:14
○ 2026-02-15 10:14:32
○ 2026-07-21 09:29:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, e.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net...	-
csnet.com	sid.ns.cloudflare.com, zara.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.148

NS records: sid.ns.cloudflare.com, zara.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for csnet.com (unsigned zone)

⏱️ Timing

Total: 839ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.3.56, 172.67.130.70`
AAAA	2	`2606:4700:3031::6815:338, 2606:4700:3036::ac43:8246`
NS	2	`sid.ns.cloudflare.com, zara.ns.cloudflare.com`
MX	1	`mail.csnet.com (pri: 0)`
TXT	1	`v=spf1 a mx ip4:139.99.51.240 ip4:15.235`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`sid.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (sid.ns.cloudflare.com, sid.ns.cloudflare.com, sid.ns.cloudflare.com...)

Analysis

Hierarchy

mail.csnet.com is delegated beneath csnet.com.

IP Addresses

csnet.com points to the four IP addresses 104.21.3.56, 172.67.130.70, 2606:4700:3031::6815:338 and 2606:4700:3036::ac43:8246.

Two other host names, along with anpham.dev, alanspiteri.com and yawsw.com, also share IP numbers with csnet.com.

Name Servers

csnet.com is served by two delegated name servers, sid.ns.cloudflare.com and zara.ns.cloudflare.com.

csnet.com shares its NS records with other domains, for example beeming.au, (0x736c7574).training, communityspring.biz and two others.

There is at least partial name server overlap between csnet.com and other domains — ebaozhang.com, gay(0x706f726e)-x.com, regenium.pl and two more among them.

These name servers are routinely deployed together with the name servers stan.ns.cloudflare.com.

DNS names with 6 IP addresses:

sid.ns.cloudflare.com carries IP addresses 108.162.193.143, 172.64.33.143 and 173.245.59.143, with 3 other addresses beyond those.

zara.ns.cloudflare.com carries IP addresses 108.162.192.148, 172.64.32.148 and 173.245.58.148, with 3 other addresses beyond those.

Mail Servers

The sole mail server for csnet.com is mail.csnet.com.

There is one IP number for mail.csnet.com: 139.99.51.240.

csnet.com - robtex.com

csnet.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`csnet.com`

`com`