`sf-intracity.com`

DNSSEC	⚠️ Not signed
NS	`ladder.dnspod.net` ⭐
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	1.14.119.35^{🇨🇳 TENCENT-NET-AP1.14.64.0/18}
		A	111.13.13.35^{🇨🇳 CHINAMOBILE-CN111.13.0.0/16 CMI (Customer Route)}
		A	117.89.178.35^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	220.196.136.35^{🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24}
NS	`viola.dnspod.net`
		A	2402:4e00:111:fff::c^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	1.12.0.1^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	1.13.76.35^{🇨🇳 TENCENT-NET-AP1.13.64.0/18}
		A	36.155.149.35^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	101.227.168.35^{🇨🇳 SHANGHAITELECOM101.227.168.0/23 SHIDC}
		A	111.206.98.235^{🇨🇳 CHINA169-BJ111.206.98.0/24}
MX	`m1.feishu.cn` ⭐
TXT	`verification-code-site-App_feishu=dZoOoIgab224NCslqGHC`
TXT	`v=spf1 +include:_netblocks.m.feishu.cn ~all`
SOA	`ladder.dnspod.net`freednsadmin@dnspod.com serial=1622447582

`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=1784768412

Same first word

sf-intracity.com

DNS History

5 records (3 active, 2 former)

○NSf1g1ns1.dnspod.net2019-01-05 → 2019-01-05 · 3 obs

● 2019-01-05 23:05:30
○ 2026-03-05 07:57:58
○ 2026-07-23 01:24:34

○NSf1g1ns2.dnspod.net2019-01-05 → 2019-01-05 · 3 obs

● 2019-01-05 23:05:30
○ 2026-03-05 07:57:58
○ 2026-07-23 01:24:34

●NSladder.dnspod.net2026-03-05 → 2026-07-23 · 3 obs

○ 2019-01-05 23:05:30
● 2026-03-05 07:57:58
● 2026-07-23 01:24:34

●NSviola.dnspod.net2026-03-05 → 2026-07-23 · 3 obs

○ 2019-01-05 23:05:30
● 2026-03-05 07:57:58
● 2026-07-23 01:24:34

●MXm1.feishu.cn2026-03-05 → 2026-07-23 · 4 obs

● 2026-03-05 07:57:58
● 2026-05-14 21:26:12
○ 2026-07-04 16:23:06
● 2026-07-23 01:24:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sf-intracity.com	ladder.dnspod.net, viola.dnspod.net	-

✅ Authoritative Response

Server:111.206.98.235

NS records: ladder.dnspod.net, viola.dnspod.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sf-intracity.com (unsigned zone)

⏱️ Timing

Total: 1171ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ladder.dnspod.net, viola.dnspod.net`
MX	1	`m1.feishu.cn (pri: 5)`
TXT	2	`verification-code-site-App_feishu=dZoOoI, v=spf1 +include:_netblocks.m.feishu.cn`
SOA	1	`ladder.dnspod.net freednsadmin.dnspod.co`

Analysis

Name Servers

Two name servers handle the delegation for sf-intracity.com: ladder.dnspod.net and viola.dnspod.net.

sf-intracity.com uses the same name servers as several other domains — among them 88887.net, juyou8.com, jdchoice.com and two more.

Hostnames that resolve to 6 IP addresses:

ladder.dnspod.net resolves to 1.12.0.4, 1.14.119.35 and 111.13.13.35 among others, with 3 other IP addresses in total.

viola.dnspod.net resolves to 1.12.0.1, 1.13.76.35 and 36.155.149.35 among others, with 3 other IP addresses in total.

Mail Servers

Mail for sf-intracity.com is handled by a single mail server, m1.feishu.cn.

sf-intracity.com uses an identical mail server configuration to several other domains — among them topbook.cc, yidemedical.com, inspirai.com and two more.

sf-intracity.com has at least partial mail server overlap with other domains such as ilxzy.cn, weeny.work, careerinsights.net and two more.

This set of mail servers commonly appears together with the mail servers mx1.feishu.cn.

sf-intracity.com - robtex.com

sf-intracity.com

com