`gc73.com`

DNSSEC	⚠️ Not signed
NS	`f1g1ns1.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}
			PTR	`ip-1-12-0-4.defastlink.net`
		A	1.14.119.35^{🇨🇳 TENCENT-NET-AP1.14.64.0/18}
			PTR	`ip-1-14-119-35.defastlink.net`
		A	111.13.13.35^{🇨🇳 CHINAMOBILE-CN111.13.0.0/16 CMI (Customer Route)}
			PTR	`ip-111-13-13-35.defastlink.net`
		A	117.135.128.235^{🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route)}
			PTR	`(root)`
		A	125.94.59.235^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
			PTR	`ip-125-94-59-235.defastlink.net`
		A	163.177.5.35^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
			PTR	`ip-163-177-5-35.defastlink.net`
NS	`f1g1ns2.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}
			PTR	`ip-1-12-0-1.defastlink.net`
		A	1.13.76.35^{🇨🇳 TENCENT-NET-AP1.13.64.0/18}
			PTR	`ip-1-13-76-35.defastlink.net`
		A	36.155.149.35^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
			PTR	`ip-36-155-149-35.defastlink.net`
		A	101.227.168.35^{🇨🇳 SHANGHAITELECOM101.227.168.0/23 SHIDC}
			PTR	`ip-101-227-168-35.defastlink.net`
		A	106.39.207.235^{🇨🇳 CHINA-1106.39.192.0/19 China Telecom Beijing Co. Ltd.}
			PTR	`ip-106-39-207-235.defastlink.net`
		A	111.206.98.235^{🇨🇳 CHINA169-BJ111.206.98.0/24}
			PTR	`ip-111-206-98-235.defastlink.net`
		A	220.196.136.35^{🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24}
			PTR	`ip-220-196-136-35.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	`v=spf1 +include:_netblocks.m.feishu.cn -all`
TXT	`verification-code-site-App_feishu=B5AjuJiAZ0FRyVJ8rseR`
TXT	`verification-code-site-App_feishu=EBnFAMr0yK2xJRAS3KN3`
SOA	`f1g1ns1.dnspod.net`freednsadmin@dnspod.com serial=1754982236

`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

Subdomains

www.gc73.com

dlx1.gc73.com

Same first word

gc73.com

gc73.net

gc73.fr

gc73.com.cn

gc73.cn

Similar names

37cg.com

7c3g.com

3g7c.com

cg37.com

cg37.fr

73cg.com

g37c.com

37gc.com

cg73.fr

c73g.cc

cg37.cn

c73g.xyz

DNS History

14 records (5 active, 9 former)

●NSf1g1ns1.dnspod.net2015-07-02 → 2026-03-10 · 3 obs

○ 2009-01-13 03:01:44
● 2015-07-02 01:21:14
● 2026-03-10 16:36:24

●NSf1g1ns2.dnspod.net2015-07-02 → 2026-03-10 · 3 obs

○ 2009-01-13 03:01:44
● 2015-07-02 01:21:14
● 2026-03-10 16:36:24

○NSns1.ix1000.com2009-01-13 → 2009-01-13 · 3 obs

● 2009-01-13 03:01:44
○ 2015-07-02 01:21:14
○ 2026-03-10 16:36:24

○NSns2.ix1000.com2009-01-13 → 2009-01-13 · 3 obs

● 2009-01-13 03:01:44
○ 2015-07-02 01:21:14
○ 2026-03-10 16:36:24

○MXmail.gc73.com2009-01-13 → 2016-10-29 · 3 obs

● 2009-01-13 03:01:44
● 2016-10-29 17:51:08
○ 2026-03-10 16:36:24

●MXmx1.feishu.cn2026-03-10 → 2026-03-10 · 2 obs

○ 2016-10-29 17:51:08
● 2026-03-10 16:36:24

●MXmx2.feishu.cn2026-03-10 → 2026-03-10 · 2 obs

○ 2016-10-29 17:51:08
● 2026-03-10 16:36:24

●MXmx3.feishu.cn2026-03-10 → 2026-03-10 · 2 obs

○ 2016-10-29 17:51:08
● 2026-03-10 16:36:24

○A119.28.48.2132015-07-02 → 2015-07-02 · 4 obs

○ 2009-01-13 03:01:44
● 2015-07-02 01:21:14
○ 2015-09-08 12:38:06
○ 2026-03-10 16:36:24

○A119.28.48.2272016-06-15 → 2016-10-29 · 7 obs

○ 2016-04-06 12:06:22
● 2016-06-15 13:04:32
● 2016-07-07 16:45:24
○ 2016-09-23 03:36:26
○ 2016-10-21 01:59:36
● 2016-10-29 17:51:08
○ 2026-03-10 16:36:24

○A119.28.48.2282015-09-08 → 2016-09-23 · 10 obs

○ 2009-01-13 03:01:44
● 2015-09-08 12:38:06
● 2015-11-04 15:07:44
○ 2016-01-03 11:45:30
● 2016-01-06 03:43:28
○ 2016-04-06 12:06:22
○ 2016-07-07 16:45:24
● 2016-09-23 03:36:26
○ 2016-10-21 01:59:36
○ 2026-03-10 16:36:24

○A119.28.48.2292015-07-02 → 2016-10-21 · 12 obs

○ 2009-01-13 03:01:44
● 2015-07-02 01:21:14
○ 2015-09-08 12:38:06
○ 2015-09-16 19:14:52
● 2016-01-03 11:45:30
○ 2016-01-06 03:43:28
● 2016-04-06 12:06:22
○ 2016-06-15 13:04:32
○ 2016-09-23 03:36:26
● 2016-10-21 01:59:36
○ 2016-10-29 17:51:08
○ 2026-03-10 16:36:24

○A222.73.247.412009-01-13 → 2009-01-13 · 3 obs

● 2009-01-13 03:01:44
○ 2015-07-02 01:21:14
○ 2026-03-10 16:36:24

○CNAMEdnspod-free.mydnspod.net2015-07-02 → 2016-12-13 · 7 obs

○ 2009-01-13 03:01:44
● 2015-07-02 01:21:14
● 2016-10-21 01:59:36
○ 2016-10-29 09:15:36
● 2016-10-29 17:51:08
● 2016-12-13 00:32:02
○ 2026-03-10 16:36:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
gc73.com	f1g1ns1.dnspod.net, f1g1ns2.dnspod.net	-

✅ Authoritative Response

Server: 1.14.119.35

NS records: f1g1ns1.dnspod.net, f1g1ns2.dnspod.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gc73.com (unsigned zone)

⏱️ Timing

Total: 3797ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`f1g1ns1.dnspod.net, f1g1ns2.dnspod.net`
MX	3	`mx1.feishu.cn (pri: 1), mx2.feishu.cn (pri: 5)...`
TXT	3	`verification-code-site-App_feishu=B5AjuJ, verification-code-site-App_feishu=EBnFAM...`
SOA	1	`f1g1ns1.dnspod.net freednsadmin.dnspod.c`

Analysis

Hierarchy

gc73.com is a parent of www.gc73.com and dlx1.gc73.com.

Name Servers

gc73.com is delegated to two name servers f1g1ns1.dnspod.net and f1g1ns2.dnspod.net.

gc73.com shares the same name server setup as other domains, for instance hapboy.com, csjl110.com, colori.com, szv.org.cn and rossdun.com.

gc73.com at least partially shares name servers with other domains, for instance pupuapp.cn, xingzhizhou.com, progressing.cn, organsuperfood.com and wdnudnudc03.icu.

These name servers are commonly used with ns11.xincache.com, ns12.xincache.com, a.dnspod.com, b.dnspod.com and c.dnspod.com.

Eight IP numbers for a host:

f1g1ns2.dnspod.net points to: 2402:4e00:111:fff::c, 1.12.0.1, 1.13.76.35, 36.155.149.35, 101.227.168.35, 106.39.207.235, 111.206.98.235 and 220.196.136.35.

Seven IP numbers for a host:

f1g1ns1.dnspod.net points to: 2402:4e00:1470:2::e, 1.12.0.4, 1.14.119.35, 111.13.13.35, 117.135.128.235, 125.94.59.235 and 163.177.5.35.

Mail Servers

gc73.com is handled by three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

gc73.com shares some mail servers with other domains, at least partially, for instance yunexpress.cn, nexgenhk.com, soulapp.me, szlamplic.com and yzl.cc.