`1diff.com`

DNSSEC	⚠️ Not signed
A	216.198.79.1^{🇺🇸 Amazon216.198.79.0/24 EC2 Prefix}
NS	`dns1.hichina.com` ⭐
		A	2408:4009:501::9^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-43.defastlink.net`
		A	39.96.153.63^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-63.defastlink.net`
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-203.defastlink.net`
		A	47.118.199.213^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-213.defastlink.net`
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-43.defastlink.net`
		A	120.76.107.63^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-63.defastlink.net`
		A	139.224.142.113^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-113.defastlink.net`
		A	139.224.142.123^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-123.defastlink.net`
NS	`dns2.hichina.com`
		A	2408:4009:501::10^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.44^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-44.defastlink.net`
		A	39.96.153.54^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-54.defastlink.net`
		A	47.118.199.204^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-204.defastlink.net`
		A	47.118.199.214^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-214.defastlink.net`
		A	120.76.107.44^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-44.defastlink.net`
		A	120.76.107.54^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-54.defastlink.net`
		A	139.224.142.114^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-114.defastlink.net`
		A	139.224.142.124^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-124.defastlink.net`
MX	`mx1.feishu.cn` ⭐
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
MX	`mx3.feishu.cn`⁽¹⁰⁾
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`verification-code-site-App_feishu=cB94vQ8W4voWxcE97rK0`
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
SOA	`dns1.hichina.com`hostmaster@hichina.com 2026-01-09 #13

`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=1771291435

WOT: SAFE (50/100)

Same first word

1diff.com

DNS History

14 records (6 active, 8 former)

●NSdns1.hichina.com2026-03-13 → 2026-03-24 · 3 obs

○ 2026-03-12 04:37:44
● 2026-03-13 15:51:58
● 2026-03-24 02:21:50

●NSdns2.hichina.com2026-03-13 → 2026-03-24 · 3 obs

○ 2026-03-12 04:37:44
● 2026-03-13 15:51:58
● 2026-03-24 02:21:50

○NSns1.limenight.net2008-03-13 → 2008-03-13 · 3 obs

● 2008-03-13 07:48:20
○ 2015-10-27 00:49:24
○ 2026-03-24 02:21:50

○NSns1.vercel-dns.com2026-02-17 → 2026-03-12 · 5 obs

○ 2015-10-27 00:49:24
● 2026-02-17 11:10:12
● 2026-03-12 04:37:44
○ 2026-03-13 15:51:58
○ 2026-03-24 02:21:50

○NSns2.limenight.net2008-03-13 → 2008-03-13 · 3 obs

● 2008-03-13 07:48:20
○ 2015-10-27 00:49:24
○ 2026-03-24 02:21:50

○NSns2.vercel-dns.com2026-02-17 → 2026-03-12 · 5 obs

○ 2015-10-27 00:49:24
● 2026-02-17 11:10:12
● 2026-03-12 04:37:44
○ 2026-03-13 15:51:58
○ 2026-03-24 02:21:50

●MXmx1.feishu.cn2026-03-13 → 2026-03-24 · 2 obs

● 2026-03-13 15:51:58
● 2026-03-24 02:21:50

●MXmx2.feishu.cn2026-03-13 → 2026-03-24 · 2 obs

● 2026-03-13 15:51:58
● 2026-03-24 02:21:50

●MXmx3.feishu.cn2026-03-13 → 2026-03-24 · 2 obs

● 2026-03-13 15:51:58
● 2026-03-24 02:21:50

●A216.198.79.12026-02-17 → 2026-03-24 · 30 obs

○ 2015-10-27 00:49:24
● 2026-02-17 11:10:12
● 2026-02-18 20:18:22
○ 2026-02-19 01:18:54
● 2026-02-20 11:09:24
○ 2026-02-21 01:23:38
● 2026-02-21 23:38:40
○ 2026-02-22 11:18:00
○ 2026-02-22 15:48:24
● 2026-02-23 01:20:32
○ 2026-02-23 11:20:54
○ 2026-02-25 07:07:12
● 2026-02-26 13:27:06
● 2026-03-01 12:19:22
○ 2026-03-02 14:33:46
○ 2026-03-03 06:14:56
● 2026-03-04 00:00:10
● 2026-03-04 01:58:50
○ 2026-03-04 07:44:48
● 2026-03-04 11:20:44
○ 2026-03-04 13:28:12
○ 2026-03-05 01:09:46
● 2026-03-05 13:55:48
○ 2026-03-05 18:54:32
○ 2026-03-07 21:12:56
● 2026-03-08 15:21:10
○ 2026-03-09 16:16:12
○ 2026-03-12 04:37:44
● 2026-03-13 15:51:58
● 2026-03-24 02:21:50

○A216.198.79.652026-02-18 → 2026-03-11 · 35 obs

○ 2026-02-17 11:10:12
● 2026-02-18 01:21:34
○ 2026-02-18 20:18:22
○ 2026-02-20 11:09:24
● 2026-02-21 01:23:38
○ 2026-02-21 23:38:40
● 2026-02-22 11:18:00
● 2026-02-22 15:48:24
○ 2026-02-23 01:20:32
● 2026-02-23 11:20:54
● 2026-02-23 14:16:30
○ 2026-02-23 22:36:44
○ 2026-02-25 00:43:26
● 2026-02-25 07:07:12
○ 2026-02-26 13:27:06
○ 2026-03-02 14:33:46
● 2026-03-02 19:31:12
○ 2026-03-03 01:09:38
● 2026-03-03 06:14:56
○ 2026-03-04 00:00:10
○ 2026-03-04 01:58:50
● 2026-03-04 07:44:48
○ 2026-03-04 11:20:44
● 2026-03-04 13:28:12
○ 2026-03-05 01:09:46
○ 2026-03-05 13:55:48
● 2026-03-05 18:54:32
○ 2026-03-06 10:48:50
● 2026-03-06 14:42:24
● 2026-03-07 21:12:56
○ 2026-03-08 15:21:10
● 2026-03-09 16:16:12
● 2026-03-11 13:16:22
○ 2026-03-12 04:37:44
○ 2026-03-24 02:21:50

○A38.97.225.1352008-03-13 → 2008-03-13 · 3 obs

● 2008-03-13 07:48:20
○ 2015-10-27 00:49:24
○ 2026-03-24 02:21:50

○A64.29.17.12026-02-18 → 2026-03-12 · 37 obs

○ 2026-02-18 01:21:34
● 2026-02-18 20:18:22
● 2026-02-19 01:18:54
○ 2026-02-20 11:09:24
● 2026-02-21 01:23:38
○ 2026-02-21 23:38:40
○ 2026-02-22 11:18:00
● 2026-02-22 12:05:32
○ 2026-02-22 15:48:24
● 2026-02-23 01:20:32
○ 2026-02-23 11:20:54
● 2026-02-23 14:16:30
● 2026-02-25 00:43:26
○ 2026-02-25 07:07:12
● 2026-02-26 13:27:06
● 2026-02-27 00:44:08
○ 2026-03-01 01:10:20
○ 2026-03-01 12:19:22
● 2026-03-02 14:33:46
○ 2026-03-02 19:31:12
● 2026-03-03 01:09:38
● 2026-03-04 01:58:50
○ 2026-03-04 07:44:48
● 2026-03-04 11:20:44
○ 2026-03-04 13:28:12
● 2026-03-05 01:09:46
● 2026-03-06 10:48:50
○ 2026-03-06 14:42:24
○ 2026-03-07 01:08:38
● 2026-03-07 21:12:56
● 2026-03-08 15:21:10
○ 2026-03-09 16:16:12
○ 2026-03-10 05:21:32
● 2026-03-11 13:16:22
● 2026-03-12 04:37:44
○ 2026-03-13 15:51:58
○ 2026-03-24 02:21:50

○A64.29.17.652026-02-17 → 2026-03-12 · 38 obs

○ 2015-10-27 00:49:24
● 2026-02-17 11:10:12
○ 2026-02-18 01:21:34
○ 2026-02-18 20:18:22
● 2026-02-19 01:18:54
● 2026-02-20 11:09:24
○ 2026-02-21 01:23:38
● 2026-02-21 23:38:40
● 2026-02-22 11:18:00
○ 2026-02-22 12:05:32
● 2026-02-22 15:48:24
○ 2026-02-23 01:20:32
● 2026-02-23 11:20:54
○ 2026-02-23 14:16:30
● 2026-02-23 22:36:44
● 2026-02-25 07:07:12
○ 2026-02-26 13:27:06
○ 2026-02-27 00:44:08
● 2026-03-01 01:10:20
● 2026-03-03 01:09:38
○ 2026-03-03 06:14:56
○ 2026-03-04 01:58:50
● 2026-03-04 07:44:48
○ 2026-03-04 11:20:44
● 2026-03-04 13:28:12
● 2026-03-05 01:09:46
○ 2026-03-05 13:55:48
○ 2026-03-05 18:54:32
● 2026-03-06 10:48:50
● 2026-03-07 01:08:38
○ 2026-03-07 21:12:56
○ 2026-03-08 15:21:10
● 2026-03-09 16:16:12
● 2026-03-10 05:21:32
○ 2026-03-11 13:16:22
● 2026-03-12 04:37:44
○ 2026-03-13 15:51:58
○ 2026-03-24 02:21:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
1diff.com	dns2.hichina.com, dns1.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.43

NS records: dns2.hichina.com, dns1.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 1diff.com (unsigned zone)

⏱️ Timing

Total: 3959ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.198.79.1`
NS	2	`dns1.hichina.com, dns2.hichina.com`
MX	3	`mx2.feishu.cn (pri: 5), mx3.feishu.cn (pri: 10)...`
TXT	2	`v=spf1 +include:_netblocks.m.feishu.cn -, verification-code-site-App_feishu=cB94vQ`
SOA	1	`dns1.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns2.hichina.com, dns2.hichina.com, dns2.hichina.com...)

Analysis

IP Addresses

1diff.com maps to IP address 216.198.79.1.

Other host names, for instance nepalhealthfrontiers.org, aaronheine.com, yaay.me, waywiseglobal.com and timegetter.com share IP numbers with 1diff.com.

Name Servers

Two name servers dns1.hichina.com and dns2.hichina.com are delegated to 1diff.com.

1diff.com uses the same name server configuration as other domains, such as tdpf.cn, kszj.com, qib.cn, yjxc.cn and sxgpu.com.

1diff.com shares some name servers with other domains, for example pinktower.org.

Two hosts with nine IPs each:

Host dns1.hichina.com points to 2408:4009:501::9, 39.96.153.43, 39.96.153.63, 47.118.199.203, 47.118.199.213, 120.76.107.43, 120.76.107.63, 139.224.142.113 and 139.224.142.123.

Host dns2.hichina.com points to 2408:4009:501::10, 39.96.153.44, 39.96.153.54, 47.118.199.204, 47.118.199.214, 120.76.107.44, 120.76.107.54, 139.224.142.114 and 139.224.142.124.

Mail Servers

1diff.com is handled by three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

1diff.com shares mail servers with other domains at least in part, for instance avt.com.hk, dofun.cn, aomiss.com, sihoo.cn and whobot.com.