`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	`fd6009b8-4c61-4ae0-b7ad-f8a56eb5fc0b`
TXT	`27f4b2757065458fb010c679b4929fda`
TXT	`96a136e7362e467a8918ae7a9360dda0`
TXT	`e348593441f0994b2e8e80077e0728aac87586fa`
TXT	`d88bb5d559af85764c3a0fb7cbc5aadd8c931ed6`
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=1784621312

Same first word

ptrb.de

ptrb.cn

ptrb.com

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prtb.ru

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trpb.ru

pbrt.ru

bptr.net

brpt.org

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ptbr.de

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rbtp.eu

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rbtp.cn

bprt.at

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rptb.cn

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bptr.de

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
○ 2026-07-21 08:11:58

●NSdns10.hichina.com2026-06-27 → 2026-07-21 · 3 obs

○ 2026-05-13 02:09:12
● 2026-06-27 09:16:20
● 2026-07-21 08:11:58

●NSdns9.hichina.com2026-06-27 → 2026-07-21 · 3 obs

○ 2026-05-13 02:09:12
● 2026-06-27 09:16:20
● 2026-07-21 08:11:58

○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
○ 2026-07-21 08:11:58

●NSns1.alidns.com2026-06-27 → 2026-07-21 · 3 obs

○ 2026-05-13 02:09:12
● 2026-06-27 09:16:20
● 2026-07-21 08:11:58

○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
○ 2026-07-21 08:11:58

○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
○ 2026-07-21 08:11:58

●NSns2.alidns.com2026-06-27 → 2026-07-21 · 3 obs

○ 2026-05-13 02:09:12
● 2026-06-27 09:16:20
● 2026-07-21 08:11:58

○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
○ 2026-07-21 08:11:58

○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
○ 2026-07-21 08:11:58

○MX.2026-02-23 → 2026-07-21 · 2 obs

○ 2026-02-23 10:30:50
○ 2026-07-21 08:11:58

○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
○ 2026-07-21 08:11:58

●A47.86.221.202026-06-27 → 2026-07-21 · 3 obs

○ 2026-05-13 02:09:12
● 2026-06-27 09:16:20
● 2026-07-21 08:11:58

○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
○ 2026-07-21 08:11:58

○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
○ 2026-07-21 08:11:58

○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
○ 2026-07-21 08:11:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net...	-
ptrb.com	ns1.alidns.com, ns2.alidns.com	18 records

✅ Authoritative Response

Server:120.76.107.46

NS records: ns1.alidns.com, ns2.alidns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ptrb.com (unsigned zone)

⏱️ Timing

Total: 637ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.86.221.20`
NS	2	`dns10.hichina.com, dns9.hichina.com`
TXT	5	`96a136e7362e467a8918ae7a9360dda0, e348593441f0994b2e8e80077e0728aac87586fa...`
SOA	1	`dns9.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (ns1.alidns.com, ns1.alidns.com, ns1.alidns.com...)

Analysis

IP Addresses

ptrb.com resolves to one IP address: 47.86.221.20.

diagstore.com, img.xingfuzhijia.com, huisun.com and two other host names share IP numbers with ptrb.com.

Name Servers

The authoritative name servers for ptrb.com are ns1.alidns.com, ns2.alidns.com, dns10.hichina.com and dns9.hichina.com.

ptrb.com has at least partial name server overlap with other domains, such as nb-haoque.vip, cargolane.net, cadri.cn and two others.

dns29.hichina.com, dns30.hichina.com and dns7.hichina.com — plus 3 other name servers — are commonly paired with these name servers.

Hostnames that resolve to 9 IP addresses:

ns1.alidns.com resolves to 39.96.153.45, 39.96.153.55, 47.118.199.205 and 6 other IP addresses.

ns2.alidns.com resolves to 39.96.153.46, 39.96.153.56, 47.118.199.206 and 6 other IP addresses.

dns10.hichina.com resolves to 39.96.153.41, 39.96.153.51, 47.118.199.201 and 6 other IP addresses.

dns9.hichina.com resolves to 39.96.153.42, 39.96.153.52, 47.118.199.202 and 6 other IP addresses.

ptrb.com - robtex.com

ptrb.com

com

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

`ptrb.com`

`com`