`costoffers.com`

DNSSEC	⚠️ Not signed
A	8.210.253.221^{🇭🇰 Alibaba-Cloud8.210.128.0/17 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
NS	`dns19.hichina.com` ⭐
		A	2408:4009:501::27^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.40^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.60^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.200^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.220^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.40^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.60^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.100^{🇨🇳 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,}
		A	139.224.142.110^{🇨🇳 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,}
NS	`dns20.hichina.com`
		A	2408:4009:501::28^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.38^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.61^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.198^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.222^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.38^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.61^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.98^{🇨🇳 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,}
		A	139.224.142.108^{🇨🇳 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,}
MX	`mx2.zoho.jp` ⭐
		A	193.118.161.144^{🇯🇵 ZJC-AS-AP193.118.161.0/24 COLT ASIA Telecom}
			PTR	`mx2.zoho.jp`
			PTR	`mx3.zoho.jp`
			PTR	`mx.zoho.jp`
MX	`mx3.zoho.jp`⁽²⁰⁾
		A	103.163.152.144^{🇯🇵 ZJC-AS-AP103.163.152.0/24 Zoho Japan Corporation Minato-Mirai-Center Bldg. 13F, 3-6-1 Nishi-ku,}
			PTR	`mx2.zoho.jp`
			PTR	`mx3.zoho.jp`
			PTR	`mx.zoho.jp`
MX	`mx.zoho.jp`⁽³⁰⁾
		A	103.163.152.144^{🇯🇵 ZJC-AS-AP103.163.152.0/24 Zoho Japan Corporation Minato-Mirai-Center Bldg. 13F, 3-6-1 Nishi-ku,}
			PTR	`mx2.zoho.jp`
			PTR	`mx3.zoho.jp`
			PTR	`mx.zoho.jp`
		A	193.118.161.144^{🇯🇵 ZJC-AS-AP193.118.161.0/24 COLT ASIA Telecom}
			PTR	`mx2.zoho.jp`
			PTR	`mx3.zoho.jp`
			PTR	`mx.zoho.jp`
TXT	`v=spf1 include:zoho.jp ~all`
SOA	`dns19.hichina.com`hostmaster@hichina.com 2026-06-04 #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=1784059727

Previously MX for

costoffers.com

Same first word

costoffers.com

Similar names

softforces.com

DNS History

11 records (6 active, 5 former)

●NSdns19.hichina.com2026-07-02 → 2026-07-14 · 3 obs

○ 2020-03-08 08:00:18
● 2026-07-02 18:49:48
● 2026-07-14 20:25:58

●NSdns20.hichina.com2026-07-02 → 2026-07-14 · 3 obs

○ 2020-03-08 08:00:18
● 2026-07-02 18:49:48
● 2026-07-14 20:25:58

○NSns1.costoffers.com2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 08:34:04
○ 2020-03-08 08:00:18
○ 2026-07-14 20:25:58

○NSns2.costoffers.com2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 08:34:04
○ 2020-03-08 08:00:18
○ 2026-07-14 20:25:58

○MXcostoffers.com2016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 08:34:04
○ 2020-03-08 08:00:18
○ 2026-07-14 20:25:58

●MXmx.zoho.jp2026-07-02 → 2026-07-14 · 3 obs

○ 2020-03-08 08:00:18
● 2026-07-02 18:49:48
● 2026-07-14 20:25:58

●MXmx2.zoho.jp2026-07-02 → 2026-07-14 · 3 obs

○ 2020-03-08 08:00:18
● 2026-07-02 18:49:48
● 2026-07-14 20:25:58

●MXmx3.zoho.jp2026-07-02 → 2026-07-14 · 3 obs

○ 2020-03-08 08:00:18
● 2026-07-02 18:49:48
● 2026-07-14 20:25:58

○A207.7.84.1162016-12-20 → 2016-12-20 · 3 obs

● 2016-12-20 08:34:04
○ 2020-03-08 08:00:18
○ 2026-07-14 20:25:58

●A8.210.253.2212026-07-02 → 2026-07-14 · 3 obs

○ 2020-03-08 08:00:18
● 2026-07-02 18:49:48
● 2026-07-14 20:25:58

○CNAMEprod-sav-park-lb01-1919960993.us-east-2.elb.amazonaws.com2020-03-08 → 2020-03-08 · 3 obs

● 2020-03-08 08:00:18
○ 2026-07-02 18:49:48
○ 2026-07-14 20:25:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, l.gtld-servers.net...	-
costoffers.com	dns19.hichina.com, dns20.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.40

NS records: dns19.hichina.com, dns20.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for costoffers.com (unsigned zone)

⏱️ Timing

Total: 663ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`8.210.253.221`
NS	2	`dns20.hichina.com, dns19.hichina.com`
MX	3	`mx2.zoho.jp (pri: 20), mx.zoho.jp (pri: 10)...`
TXT	1	`v=spf1 include:zoho.jp ~all`
SOA	1	`dns19.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns19.hichina.com, dns19.hichina.com, dns19.hichina.com...)

Analysis

IP Addresses

costoffers.com resolves to one IP address: 8.210.253.221.

Other host names, such as bns-research.com, share IP numbers with costoffers.com.

Name Servers

costoffers.com is delegated to two name servers: dns19.hichina.com and dns20.hichina.com.

costoffers.com uses the same name servers as several other domains — among them ehunan.com, 05415.com, beijingguidu.com and two more.

costoffers.com partially shares its name servers with domains like eroadtong.cn and aidisk.com.

Hostnames that resolve to 9 IP addresses:

dns19.hichina.com resolves to 39.96.153.40, 39.96.153.60, 47.118.199.200 and 6 other IP addresses.

dns20.hichina.com resolves to 39.96.153.38, 39.96.153.61, 47.118.199.198 and 6 other IP addresses.

Mail Servers

costoffers.com uses three mail servers — mx2.zoho.jp, mx3.zoho.jp and mx.zoho.jp.

costoffers.com has at least partial mail server overlap with other domains such as japanstones.shop, everkiddo.com, tabigatari.jp and two more.

Hostnames that resolve to two IP addresses:

mx.zoho.jp points to 103.163.152.144 and 193.118.161.144.

Hosts with just one IP address:

mx2.zoho.jp points to 193.118.161.144.

mx3.zoho.jp points to 103.163.152.144.

mx.zoho.jp and mx3.zoho.jp are host names that each point to 103.163.152.144 IP addresses.

mx.zoho.jp and mx2.zoho.jp are host names that each point to 193.118.161.144 IP addresses.

costoffers.com - robtex.com

costoffers.com

com

Previously MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`costoffers.com`

`com`