`nbtopcom.com`

DNSSEC	⚠️ Not signed
A	47.90.64.221^{🇭🇰 Alibaba-Cloud47.90.64.0/18}
NS	`dns5.4cun.com` ⭐
		A	2408:4005:3dc:af00:a6be:339e:a1a0:ceb7^{🇨🇳 Alibaba-Cloud2408:4005::/33}
		A	219.138.102.210^{🇨🇳 CHINATELECOM-HUBEI-YICHANG-IDC219.138.102.0/24 yichang}
NS	`dns.4cun.com` ⚠️ Not in zone NS records
NS	`dns6.51dns.top` ⚠️ Not in zone NS records
		A	2408:4005:3dc:af00:a6be:339e:a1a0:ceb7^{🇨🇳 Alibaba-Cloud2408:4005::/33}
		A	61.172.183.74^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
MX	`mx1.sxy.top` ⭐
		A	58.221.79.160^{🇨🇳 CHINANET-BACKBONE58.208.0.0/12 Mega-II IDC}
		A	221.6.203.16^{🇨🇳 CHINA169-Backbone221.6.0.0/16 CNC Group CHINA169 Jiangsu Province Network}
MX	`mx.sxy.top`⁽⁵⁰⁾
		A	58.221.79.160^{🇨🇳 CHINANET-BACKBONE58.208.0.0/12 Mega-II IDC}
TXT	`v=spf1 include:spfv.sxy.top -all`
SOA	`dns.4cun.com`admin@nbtopcom.com serial=1574684848

`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

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mail.nbtopcom.com

Same first word

nbtopcom.com

DNS History

12 records (6 active, 6 former)

●NSdns.4cun.com2015-06-19 → 2026-02-27 · 2 obs

● 2015-06-19 11:54:40
● 2026-02-27 01:44:48

●NSdns5.4cun.com2026-02-17 → 2026-02-27 · 3 obs

○ 2015-06-19 11:54:40
● 2026-02-17 23:04:50
● 2026-02-27 01:44:48

●NSdns6.51dns.top2026-02-17 → 2026-02-27 · 3 obs

○ 2015-06-19 11:54:40
● 2026-02-17 23:04:50
● 2026-02-27 01:44:48

○MXgw1.4cun.com2016-03-08 → 2017-05-18 · 4 obs

● 2016-03-08 00:22:26
● 2017-05-18 04:48:00
○ 2026-02-17 23:04:50
○ 2026-02-27 01:44:48

○MXmail.nbtopcom.com2016-03-08 → 2016-07-26 · 4 obs

● 2016-03-08 00:22:26
● 2016-07-26 17:37:12
○ 2017-05-18 04:48:00
○ 2026-02-27 01:44:48

●MXmx.sxy.top2026-02-17 → 2026-02-27 · 3 obs

○ 2017-05-18 04:48:00
● 2026-02-17 23:04:50
● 2026-02-27 01:44:48

●MXmx1.sxy.top2026-02-17 → 2026-02-27 · 3 obs

○ 2017-05-18 04:48:00
● 2026-02-17 23:04:50
● 2026-02-27 01:44:48

○MXmx2.4cun.com2017-05-18 → 2017-05-18 · 4 obs

○ 2016-07-26 17:37:12
● 2017-05-18 04:48:00
○ 2026-02-17 23:04:50
○ 2026-02-27 01:44:48

○A203.124.13.622015-06-19 → 2016-07-26 · 4 obs

● 2015-06-19 11:54:40
● 2016-07-26 17:37:12
○ 2017-05-18 04:48:00
○ 2026-02-27 01:44:48

●A47.90.64.2212017-05-18 → 2026-02-27 · 3 obs

○ 2016-07-26 17:37:12
● 2017-05-18 04:48:00
● 2026-02-27 01:44:48

○CNAMEip.z62.80data.net2016-03-08 → 2016-03-08 · 3 obs

● 2016-03-08 00:22:26
○ 2016-07-26 17:37:12
○ 2026-02-27 01:44:48

○CNAMEnewresolve.z62.80data.net2016-03-08 → 2016-03-08 · 3 obs

● 2016-03-08 00:22:26
○ 2016-07-26 17:37:12
○ 2026-02-27 01:44:48

🔍 DNS Trace

AI analysis

The parent of mail.nbtopcom.com is nbtopcom.com.

nbtopcom.com points to an IP address: 47.90.64.221.

other host names include langli.org, whdhgs.com, resolve.z221.80data.net, kost.z221.80data.net and artmaterials.cn; they share IP numbers with nbtopcom.com.

nbtopcom.com is delegated to three name servers dns5.4cun.com, dns.4cun.com and dns6.51dns.top.

nbtopcom.com at least partially shares name servers with other domains, for instance heiyisheji.com, fcode.top, sgysw.com, qilugroup.com and cqhlnk.com.

these name servers are commonly used with dns3.4cun.com, dns4.51dns.top, dns6.4cun.com, dns7.4cun.com, dns1.4cun.com, dns2.51dns.top, dns8.51dns.top, ns1.4cun.com, ns3.4cun.com and ns4.4cun.com.

Host names with two IP numbers

dns5.4cun.com points to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7 and 219.138.102.210.

dns6.51dns.top points to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7 and 61.172.183.74.

Names pointing to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7: dns5.4cun.com and dns6.51dns.top.

nbtopcom.com is handled by two mail servers: mx1.sxy.top and mx.sxy.top.

nbtopcom.com uses the same mail server setup as other domains, for instance szsilversea.com, richer-tone.com, dzmctraining.com, gofreetek.com and wxxyg.net.

nbtopcom.com shares at least partially some mail servers with other domains, for instance ats-drilling.com, rfflyingconnector.com, szblx.net, lab-ehs.com and commix.cn.

Two IP numbers: mx1.sxy.top points to 58.221.79.160 and 221.6.203.16.

One IP number: mx.sxy.top points to 58.221.79.160.

Names pointing to 58.221.79.160: mx1.sxy.top and mx.sxy.top.

nbtopcom.com - robtex.com

nbtopcom.com

com

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