`rcpj.org`

DNSSEC	⚠️ Not signed
A	2607:f1c0:100f:f000::257^{🇺🇸 IONOS-AS2607:f1c0::/32 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
		PTR	`2607-f1c0-100f-f000-0000-0000-0000-0257.elastic-ssl.ui-r.com`
A	74.208.236.16^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
NS	`ns1099.ui-dns.biz` ⭐
		A	2001:8d8:fe:53:0:d9a0:5163:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1099.ui-dns.biz`
		A	217.160.81.99^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1099.ui-dns.biz`
NS	`ns1040.ui-dns.org`
		A	2001:8d8:fe:53:0:d9a0:5328:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1040.ui-dns.org`
		A	217.160.83.40^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1040.ui-dns.org`
NS	`ns1045.ui-dns.com`
		A	2001:8d8:fe:53:0:d9a0:522d:100^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns1045.ui-dns.com`
		A	217.160.82.45^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1045.ui-dns.com`
NS	`ns1110.ui-dns.de`
		A	2607:f1c0:fe:53:185:132:32:110^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1110.ui-dns.de`
		A	185.132.32.110^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1110.ui-dns.de`
		A	217.160.80.110^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns1110.ui-dns.de`
MX	`mx00.ionos.mx` ⭐
		A	74.208.5.3^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx00.perfora.net`
MX	`mx01.ionos.mx` ⭐
		A	74.208.5.21^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx01.perfora.net`
TXT	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	`ns1099.ui-dns.biz`hostmaster@1und1.com 2017-06-01 #24

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1774469048

Previously MX for

rcpj.org

Same first word

rcpj.org

rcpj.cn

Similar names

jrpc.co.uk

rjpc.net

jrpc.com.br

rjcp.pt

rpjc.net

jrpc.ca

rjpc.org

rpjc.com

jpcr.net

rpcj.net

prcj.com

jrpc.com

jpcr.be

jpcr.com

jcpr.or.kr

crjp.org

cpjr.com

jprc.com

jprc.net

pjrc.cn

prjc.com.br

cjpr.ca

jcrp.in

pjrc.net

pjrc.org.cn

pcjr.com

jprc.jp

rjcp.com

jrcp.cn

pcjr.ch

pcjr.net

jprc.org

jpcr.eu

jcrp.co.jp

jprc.cc

rcjp.org

cpjr.fr

jrcp.org

jcrp.co

rjcp.co.uk

jcpr.com

jcrp.cn

jcpr.in

pcrj.rj.gov.br

jrpc.jp

jrpc.org

cjpr.com

jpcr.ru

rjpc.cn

jcrp.jp

rpjc.org

pcrj.org

jcrp.org

jcpr.com.au

rjcp.ca

jpcr.xyz

jcrp.net

jrpc.net

rcjp.net

pjrc.com

pjrc.co.uk

rpjc.cn

prcj.cn

prjc.com.cn

pcjr.org

DNS History

13 records (8 active, 5 former)

○NSdns.home.pl2015-11-02 → 2017-03-19 · 4 obs

● 2015-11-02 23:28:48
● 2017-03-19 03:58:50
○ 2020-01-09 11:17:50
○ 2026-03-25 20:19:34

○NSdns2.home.pl2015-11-02 → 2017-03-19 · 4 obs

● 2015-11-02 23:28:48
● 2017-03-19 03:58:50
○ 2020-01-09 11:17:50
○ 2026-03-25 20:19:34

○NSdns3.home.pl2015-11-02 → 2017-03-19 · 4 obs

● 2015-11-02 23:28:48
● 2017-03-19 03:58:50
○ 2020-01-09 11:17:50
○ 2026-03-25 20:19:34

●NSns1040.ui-dns.org2026-02-14 → 2026-03-25 · 3 obs

○ 2020-01-09 11:17:50
● 2026-02-14 20:12:58
● 2026-03-25 20:19:34

●NSns1045.ui-dns.com2026-02-14 → 2026-03-25 · 3 obs

○ 2020-01-09 11:17:50
● 2026-02-14 20:12:58
● 2026-03-25 20:19:34

●NSns1099.ui-dns.biz2026-02-14 → 2026-03-25 · 3 obs

○ 2020-01-09 11:17:50
● 2026-02-14 20:12:58
● 2026-03-25 20:19:34

●NSns1110.ui-dns.de2026-02-14 → 2026-03-25 · 3 obs

○ 2020-01-09 11:17:50
● 2026-02-14 20:12:58
● 2026-03-25 20:19:34

●MXmx00.ionos.mx2026-02-14 → 2026-03-25 · 3 obs

○ 2020-01-09 11:17:50
● 2026-02-14 20:12:58
● 2026-03-25 20:19:34

●MXmx01.ionos.mx2026-02-14 → 2026-03-25 · 3 obs

○ 2020-01-09 11:17:50
● 2026-02-14 20:12:58
● 2026-03-25 20:19:34

○MXrcpj.org2015-11-02 → 2017-03-19 · 4 obs

● 2015-11-02 23:28:48
● 2017-03-19 03:58:50
○ 2020-01-09 11:17:50
○ 2026-03-25 20:19:34

○A188.128.142.1042015-11-02 → 2017-03-19 · 4 obs

● 2015-11-02 23:28:48
● 2017-03-19 03:58:50
○ 2020-01-09 11:17:50
○ 2026-03-25 20:19:34

●A2607:f1c0:100f:f000::2572026-02-14 → 2026-03-25 · 3 obs

○ 2020-01-09 11:17:50
● 2026-02-14 20:12:58
● 2026-03-25 20:19:34

●A74.208.236.162026-02-14 → 2026-03-25 · 3 obs

○ 2020-01-09 11:17:50
● 2026-02-14 20:12:58
● 2026-03-25 20:19:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org	-
rcpj.org	ns1045.ui-dns.com, ns1040.ui-dns.org, ns1110.ui-dns.de, ns1099.ui-dns.biz	2 records

✅ Authoritative Response

Server:217.160.83.40

NS records: ns1045.ui-dns.com, ns1040.ui-dns.org, ns1110.ui-dns.de, ns1099.ui-dns.biz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rcpj.org (unsigned zone)

⏱️ Timing

Total: 678ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`74.208.236.16`
AAAA	1	`2607:f1c0:100f:f000::257`
NS	4	`ns1040.ui-dns.org, ns1110.ui-dns.de...`
MX	2	`mx00.ionos.mx (pri: 10), mx01.ionos.mx (pri: 10)`
TXT	1	`v=spf1 include:_spf-us.ionos.com ~all`
SOA	1	`ns1099.ui-dns.biz hostmaster.1und1.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1040.ui-dns.org, ns1040.ui-dns.org)

Analysis

IP Addresses

rcpj.org points to two IP numbers: 2607:f1c0:100f:f000::257 and 74.208.236.16.

Other host names, for instance thenewenglandcollection.com, ponderables.org, xchapters.com, s557045149.onlinehome.us and stubler.net share IP numbers with rcpj.org.

Name Servers

rcpj.org is delegated to four name servers: ns1099.ui-dns.biz, ns1045.ui-dns.com, ns1110.ui-dns.de and ns1040.ui-dns.org.

rcpj.org at least partially shares its name servers with other domains, for instance trobec.com, g2d2.eu, fpro.it, scco.ac and civiseventos.com.