`mass-net.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:9f91^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:3939^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.57.57^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.159.145^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`leif.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cde^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leif.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3de^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`leif.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23de^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`leif.ns.cloudflare.com`
		A	108.162.195.222^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leif.ns.cloudflare.com`
		A	162.159.44.222^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leif.ns.cloudflare.com`
		A	172.64.35.222^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leif.ns.cloudflare.com`
NS	`oaklyn.ns.cloudflare.com`
		A	2606:4700:50::a29f:265a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oaklyn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c25a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`oaklyn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:225a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`oaklyn.ns.cloudflare.com`
		A	108.162.194.90^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oaklyn.ns.cloudflare.com`
		A	162.159.38.90^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oaklyn.ns.cloudflare.com`
		A	172.64.34.90^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`oaklyn.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.57.57, 172.67.159.145
		IPv6 hints	2606:4700:3035::ac43:9f91, 2606:4700:3037::6815:3939
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=130, name=cloudflare-ech.com
SOA	`leif.ns.cloudflare.com`dns@cloudflare.com serial=2406637603

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1783928323

Same first word

mass-net.ru

mass-net.org

DNS History

16 records (6 active, 10 former)

○NSdns1.stabletransit.com2020-01-16 → 2020-01-16 · 4 obs

○ 2017-02-04 23:24:00
● 2020-01-16 01:33:34
○ 2026-04-10 19:43:24
○ 2026-07-13 08:00:14

○NSdns2.stabletransit.com2020-01-16 → 2020-01-16 · 4 obs

○ 2017-02-04 23:24:00
● 2020-01-16 01:33:34
○ 2026-04-10 19:43:24
○ 2026-07-13 08:00:14

●NSleif.ns.cloudflare.com2026-04-10 → 2026-07-13 · 3 obs

○ 2020-01-16 01:33:34
● 2026-04-10 19:43:24
● 2026-07-13 08:00:14

○NSns35.domaincontrol.com2015-06-24 → 2017-02-04 · 4 obs

● 2015-06-24 08:33:02
● 2017-02-04 23:24:00
○ 2020-01-16 01:33:34
○ 2026-07-13 08:00:14

○NSns36.domaincontrol.com2015-06-24 → 2017-02-04 · 4 obs

● 2015-06-24 08:33:02
● 2017-02-04 23:24:00
○ 2020-01-16 01:33:34
○ 2026-07-13 08:00:14

●NSoaklyn.ns.cloudflare.com2026-04-10 → 2026-07-13 · 3 obs

○ 2020-01-16 01:33:34
● 2026-04-10 19:43:24
● 2026-07-13 08:00:14

○MXmail.mass-net.org2020-01-16 → 2020-01-16 · 4 obs

○ 2017-02-04 23:24:00
● 2020-01-16 01:33:34
○ 2026-04-10 19:43:24
○ 2026-07-13 08:00:14

○MXmailstore1.secureserver.net2015-06-24 → 2017-02-04 · 4 obs

● 2015-06-24 08:33:02
● 2017-02-04 23:24:00
○ 2020-01-16 01:33:34
○ 2026-07-13 08:00:14

○MXsmtp.secureserver.net2015-06-24 → 2017-02-04 · 4 obs

● 2015-06-24 08:33:02
● 2017-02-04 23:24:00
○ 2020-01-16 01:33:34
○ 2026-07-13 08:00:14

●A104.21.57.572026-04-10 → 2026-07-13 · 3 obs

○ 2020-01-16 01:33:34
● 2026-04-10 19:43:24
● 2026-07-13 08:00:14

○A162.242.218.1572020-01-16 → 2020-01-16 · 4 obs

○ 2017-02-04 23:24:00
● 2020-01-16 01:33:34
○ 2026-04-10 19:43:24
○ 2026-07-13 08:00:14

●A172.67.159.1452026-04-10 → 2026-07-13 · 3 obs

○ 2020-01-16 01:33:34
● 2026-04-10 19:43:24
● 2026-07-13 08:00:14

○A184.168.221.552015-06-24 → 2017-02-04 · 4 obs

● 2015-06-24 08:33:02
● 2017-02-04 23:24:00
○ 2020-01-16 01:33:34
○ 2026-07-13 08:00:14

○A2606:4700:3032::ac43:9f912026-04-10 → 2026-06-11 · 5 obs

○ 2020-01-16 01:33:34
● 2026-04-10 19:43:24
● 2026-06-11 02:04:46
○ 2026-07-07 09:09:00
○ 2026-07-13 08:00:14

●A2606:4700:3035::ac43:9f912026-07-07 → 2026-07-13 · 3 obs

○ 2026-06-11 02:04:46
● 2026-07-07 09:09:00
● 2026-07-13 08:00:14

●A2606:4700:3037::6815:39392026-04-10 → 2026-07-13 · 3 obs

○ 2020-01-16 01:33:34
● 2026-04-10 19:43:24
● 2026-07-13 08:00:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org	-
mass-net.org	oaklyn.ns.cloudflare.com, leif.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.90

NS records: oaklyn.ns.cloudflare.com, leif.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mass-net.org (unsigned zone)

⏱️ Timing

Total: 388ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.159.145, 104.21.57.57`
AAAA	2	`2606:4700:3035::ac43:9f91, 2606:4700:3037::6815:3939`
NS	2	`leif.ns.cloudflare.com, oaklyn.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`leif.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

mass-net.org points to the four IP addresses 104.21.57.57, 172.67.159.145, 2606:4700:3035::ac43:9f91 and 2606:4700:3037::6815:3939.

Additional host names — chenstudy.com, isc888.org, daphni.org and two others — share IP numbers with mass-net.org.

Name Servers

mass-net.org has two authoritative name servers — leif.ns.cloudflare.com and oaklyn.ns.cloudflare.com.

mass-net.org shares its name server setup with other domains, including tudaru.ru, belajarsepanjanghayat.id, ndesk.ru and two others.

There is at least partial name server overlap between mass-net.org and other domains — online-essay-writing-service.com, edge-solutions.com, ctchosting.com.au and two more among them.

These name servers frequently co-occur with the name servers kim.ns.cloudflare.com and emma.ns.cloudflare.com.

Host names with 6 IP numbers:

leif.ns.cloudflare.com points to 108.162.195.222, 162.159.44.222, 172.64.35.222 and 3 other IP addresses.

oaklyn.ns.cloudflare.com points to 108.162.194.90, 162.159.38.90, 172.64.34.90 and 3 other IP addresses.

mass-net.org - robtex.com

mass-net.org

org

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`mass-net.org`

`org`