`r311.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:57e9^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:946a^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.87.233^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.148.106^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`harlan.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cfa^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3fa^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`harlan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23fa^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`harlan.ns.cloudflare.com`
		A	108.162.195.250^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlan.ns.cloudflare.com`
		A	162.159.44.250^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlan.ns.cloudflare.com`
		A	172.64.35.250^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlan.ns.cloudflare.com`
NS	`nena.ns.cloudflare.com`
		A	2606:4700:50::a29f:26a1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nena.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2a1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nena.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22a1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nena.ns.cloudflare.com`
		A	108.162.194.161^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nena.ns.cloudflare.com`
		A	162.159.38.161^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nena.ns.cloudflare.com`
		A	172.64.34.161^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nena.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.87.233, 172.67.148.106
		IPv6 hints	2606:4700:3033::6815:57e9, 2606:4700:3036::ac43:946a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=214, name=cloudflare-ech.com
SOA	`harlan.ns.cloudflare.com`dns@cloudflare.com serial=2400366439

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2034775248

Same first word

r311.com

r311.cn

Similar names

r113.sakura.ne.jp

131r.net

311r.com

DNS History

18 records (6 active, 12 former)

●NSharlan.ns.cloudflare.com2026-04-20 → 2026-05-10 · 3 obs

○ 2026-03-26 20:49:40
● 2026-04-20 09:29:08
● 2026-05-10 16:27:32

●NSnena.ns.cloudflare.com2026-04-20 → 2026-05-10 · 3 obs

○ 2026-03-26 20:49:40
● 2026-04-20 09:29:08
● 2026-05-10 16:27:32

○NSns1.myhostadmin.net2016-02-09 → 2026-03-26 · 4 obs

● 2016-02-09 12:04:34
● 2026-03-26 20:49:40
○ 2026-04-20 09:29:08
○ 2026-05-10 16:27:32

○NSns2.myhostadmin.net2016-02-09 → 2026-03-26 · 4 obs

● 2016-02-09 12:04:34
● 2026-03-26 20:49:40
○ 2026-04-20 09:29:08
○ 2026-05-10 16:27:32

○NSns3.myhostadmin.net2016-02-09 → 2026-03-26 · 4 obs

● 2016-02-09 12:04:34
● 2026-03-26 20:49:40
○ 2026-04-20 09:29:08
○ 2026-05-10 16:27:32

○NSns4.myhostadmin.net2016-02-09 → 2026-03-26 · 4 obs

● 2016-02-09 12:04:34
● 2026-03-26 20:49:40
○ 2026-04-20 09:29:08
○ 2026-05-10 16:27:32

○NSns5.myhostadmin.net2016-02-09 → 2026-03-26 · 4 obs

● 2016-02-09 12:04:34
● 2026-03-26 20:49:40
○ 2026-04-20 09:29:08
○ 2026-05-10 16:27:32

○NSns6.myhostadmin.net2016-02-09 → 2026-03-26 · 4 obs

● 2016-02-09 12:04:34
● 2026-03-26 20:49:40
○ 2026-04-20 09:29:08
○ 2026-05-10 16:27:32

●A104.21.87.2332026-04-20 → 2026-05-10 · 4 obs

○ 2026-03-26 20:49:40
● 2026-04-20 09:29:08
○ 2026-05-08 13:05:34
● 2026-05-10 16:27:32

○A154.197.199.852026-03-05 → 2026-03-26 · 5 obs

○ 2016-09-16 08:16:14
● 2026-03-05 12:46:46
● 2026-03-26 20:49:40
○ 2026-04-20 09:29:08
○ 2026-05-10 16:27:32

●A172.67.148.1062026-04-20 → 2026-05-10 · 4 obs

○ 2026-03-26 20:49:40
● 2026-04-20 09:29:08
○ 2026-05-08 13:05:34
● 2026-05-10 16:27:32

○A188.114.96.02026-05-08 → 2026-05-08 · 3 obs

○ 2026-04-20 09:29:08
● 2026-05-08 13:05:34
○ 2026-05-10 16:27:32

○A188.114.97.02026-05-08 → 2026-05-08 · 3 obs

○ 2026-04-20 09:29:08
● 2026-05-08 13:05:34
○ 2026-05-10 16:27:32

●A2606:4700:3033::6815:57e92026-04-20 → 2026-05-10 · 4 obs

○ 2026-03-26 20:49:40
● 2026-04-20 09:29:08
○ 2026-05-08 13:05:34
● 2026-05-10 16:27:32

●A2606:4700:3036::ac43:946a2026-04-20 → 2026-05-10 · 4 obs

○ 2026-03-26 20:49:40
● 2026-04-20 09:29:08
○ 2026-05-08 13:05:34
● 2026-05-10 16:27:32

○A2a06:98c1:3120::2026-05-08 → 2026-05-08 · 3 obs

○ 2026-04-20 09:29:08
● 2026-05-08 13:05:34
○ 2026-05-10 16:27:32

○A2a06:98c1:3121::2026-05-08 → 2026-05-08 · 3 obs

○ 2026-04-20 09:29:08
● 2026-05-08 13:05:34
○ 2026-05-10 16:27:32

○A45.64.75.1282016-02-09 → 2016-09-16 · 4 obs

● 2016-02-09 12:04:34
● 2016-09-16 08:16:14
○ 2026-03-05 12:46:46
○ 2026-05-10 16:27:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
r311.cn	nena.ns.cloudflare.com, harlan.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.250

NS records: nena.ns.cloudflare.com, harlan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for r311.cn (unsigned zone)

⏱️ Timing

Total: 779ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.148.106, 104.21.87.233`
AAAA	2	`2606:4700:3033::6815:57e9, 2606:4700:3036::ac43:946a`
NS	2	`harlan.ns.cloudflare.com, nena.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`harlan.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

r311.cn points to four IP numbers: 2606:4700:3033::6815:57e9, 2606:4700:3036::ac43:946a, 104.21.87.233 and 172.67.148.106.

Other host names including play1.pgrenousatop1.vip, napedoraoperations.digital, pulselogic.sbs, royalart.org and sakaryayenigun.com.tr share IP numbers with r311.cn.

Name Servers

r311.cn's delegation uses two name servers, harlan.ns.cloudflare.com and nena.ns.cloudflare.com.

r311.cn shares the same name server setup as other domains, for example linkongwatch.com, jzglvyou.com, packmycart.com, shine-box.com and hardcorebeauties.net.

r311.cn at least partially shares name servers with other domains, including pafibutonkab.org, kv51.com, inktworld.nl, v-ics.com and aidura.com.

these name servers are commonly used with venkat.ns.cloudflare.com, bill.ns.cloudflare.com, chip.ns.cloudflare.com and dawn.ns.cloudflare.com.

Host names with six IP numbers:

harlan.ns.cloudflare.com points to: 2606:4700:58::a29f:2cfa, 2803:f800:50::6ca2:c3fa, 2a06:98c1:50::ac40:23fa, 108.162.195.250, 162.159.44.250 and 172.64.35.250.

nena.ns.cloudflare.com points to: 2606:4700:50::a29f:26a1, 2803:f800:50::6ca2:c2a1, 2a06:98c1:50::ac40:22a1, 108.162.194.161, 162.159.38.161 and 172.64.34.161.

r311.cn - robtex.com

r311.cn

cn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`r311.cn`

`cn`