ptrb.com - dns.ninja

`ptrb.com`

DNSSEC	⚠️ Not signed
A	47.86.221.20^{🇺🇸 Alibaba-Cloud47.86.128.0/17 Proxy-registered route object}
NS	`dns9.hichina.com` ⭐ ⚠️ Not in parent delegation
		A	2408:4009:501::17^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.112^{🇨🇳 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	139.224.142.122^{🇨🇳 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	`dns10.hichina.com` ⚠️ Not in parent delegation
		A	2408:4009:501::18^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.111^{🇨🇳 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	139.224.142.121^{🇨🇳 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	`ns1.alidns.com` ⚠️ Not in zone NS records
		A	2408:4009:501::1^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.45^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.55^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.205^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.215^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.45^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.55^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.115^{🇨🇳 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	139.224.142.125^{🇨🇳 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	`ns2.alidns.com` ⚠️ Not in zone NS records
		A	2408:4009:501::2^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.46^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.56^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.206^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.216^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.46^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.56^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.116^{🇨🇳 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	139.224.142.126^{🇨🇳 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,}
TXT	`27f4b2757065458fb010c679b4929fda`
TXT	`96a136e7362e467a8918ae7a9360dda0`
TXT	`e348593441f0994b2e8e80077e0728aac87586fa`
TXT	`d88bb5d559af85764c3a0fb7cbc5aadd8c931ed6`
TXT	`fd6009b8-4c61-4ae0-b7ad-f8a56eb5fc0b`
SOA	`dns9.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`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=1783779497

Same first word

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DNS History

16 records (5 active, 11 former)

○NSbuy.internettraffic.com2015-07-25 → 2016-06-17 · 4 obs

● 2015-07-25 17:14:56
● 2016-06-17 21:26:00
○ 2017-01-31 06:43:04
○ 2026-07-11 14:21:52

●NSdns10.hichina.com2026-06-27 → 2026-07-11 · 3 obs

○ 2026-05-13 02:09:12
● 2026-06-27 09:16:20
● 2026-07-11 14:21:52

●NSdns9.hichina.com2026-06-27 → 2026-07-11 · 3 obs

○ 2026-05-13 02:09:12
● 2026-06-27 09:16:20
● 2026-07-11 14:21:52

○NSns1.afternic.com2026-02-23 → 2026-05-13 · 5 obs

○ 2018-12-13 22:55:50
● 2026-02-23 10:30:50
● 2026-05-13 02:09:12
○ 2026-06-27 09:16:20
○ 2026-07-11 14:21:52

●NSns1.alidns.com2026-06-27 → 2026-07-11 · 3 obs

○ 2026-05-13 02:09:12
● 2026-06-27 09:16:20
● 2026-07-11 14:21:52

○NSns1.uniregistrymarket.link2017-01-31 → 2018-12-13 · 5 obs

○ 2016-06-17 21:26:00
● 2017-01-31 06:43:04
● 2018-12-13 22:55:50
○ 2026-02-23 10:30:50
○ 2026-07-11 14:21:52

○NSns2.afternic.com2026-02-23 → 2026-05-13 · 5 obs

○ 2018-12-13 22:55:50
● 2026-02-23 10:30:50
● 2026-05-13 02:09:12
○ 2026-06-27 09:16:20
○ 2026-07-11 14:21:52

●NSns2.alidns.com2026-06-27 → 2026-07-11 · 3 obs

○ 2026-05-13 02:09:12
● 2026-06-27 09:16:20
● 2026-07-11 14:21:52

○NSns2.uniregistrymarket.link2017-01-31 → 2018-12-13 · 5 obs

○ 2016-06-17 21:26:00
● 2017-01-31 06:43:04
● 2018-12-13 22:55:50
○ 2026-02-23 10:30:50
○ 2026-07-11 14:21:52

○NSsell.internettraffic.com2015-07-25 → 2016-06-17 · 4 obs

● 2015-07-25 17:14:56
● 2016-06-17 21:26:00
○ 2017-01-31 06:43:04
○ 2026-07-11 14:21:52

○MX.2026-02-23 → 2026-07-11 · 2 obs

○ 2026-02-23 10:30:50
○ 2026-07-11 14:21:52

○A13.248.169.482026-02-23 → 2026-05-13 · 5 obs

○ 2018-12-13 22:55:50
● 2026-02-23 10:30:50
● 2026-05-13 02:09:12
○ 2026-06-27 09:16:20
○ 2026-07-11 14:21:52

●A47.86.221.202026-06-27 → 2026-07-11 · 3 obs

○ 2026-05-13 02:09:12
● 2026-06-27 09:16:20
● 2026-07-11 14:21:52

○A69.172.201.1532016-06-17 → 2018-12-13 · 5 obs

○ 2016-02-23 02:31:16
● 2016-06-17 21:26:00
● 2018-12-13 22:55:50
○ 2026-02-23 10:30:50
○ 2026-07-11 14:21:52

○A69.172.201.2082015-07-25 → 2016-02-23 · 4 obs

● 2015-07-25 17:14:56
● 2016-02-23 02:31:16
○ 2016-06-17 21:26:00
○ 2026-07-11 14:21:52

○A76.223.54.1462026-02-23 → 2026-05-13 · 5 obs

○ 2018-12-13 22:55:50
● 2026-02-23 10:30:50
● 2026-05-13 02:09:12
○ 2026-06-27 09:16:20
○ 2026-07-11 14:21:52

🔍 DNS Trace

Analysis

IP Addresses

ptrb.com points to a single IP number: 47.86.221.20.

Additional host names — diagstore.com, huisun.com, mx108.ihost.cn and two others — share IP numbers with ptrb.com.

Name Servers

ptrb.com has four authoritative name servers: ns1.alidns.com, ns2.alidns.com, dns10.hichina.com and dns9.hichina.com.

ptrb.com partially shares its NS delegation with several other domains, including cargolane.net, cadri.cn, sczht.net and two others.

In DNS configurations, these name servers often share authority with dns7.hichina.com, dns8.hichina.com, dns29.hichina.com and 3 other name servers.

Host names with 9 IP numbers:

Hostname ns1.alidns.com directs to 39.96.153.45, 39.96.153.55 and 47.118.199.205 along with 6 other IP addresses.

Hostname ns2.alidns.com directs to 39.96.153.46, 39.96.153.56 and 47.118.199.206 along with 6 other IP addresses.

Hostname dns10.hichina.com directs to 39.96.153.41, 39.96.153.51 and 47.118.199.201 along with 6 other IP addresses.

Hostname dns9.hichina.com directs to 39.96.153.42, 39.96.153.52 and 47.118.199.202 along with 6 other IP addresses.