`r-certification.com`

DNSSEC	⚠️ Not signed
A	47.250.124.23^{🇲🇾 Alibaba-Cloud47.250.64.0/18 Proxy-registered route object}
NS	`a3.share-dns.com` ⭐ ⚠️ Not in parent delegation
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-172-64-53-25.defastlink.net`
NS	`a.share-dns.com` ⚠️ Not in zone NS records
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-172-64-53-25.defastlink.net`
NS	`b.share-dns.net` ⚠️ Not in zone NS records
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-172-64-52-239.defastlink.net`
NS	`b3.share-dns.net` ⚠️ Not in parent delegation
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-172-64-52-239.defastlink.net`
SOA	`a.share-dns.com`master@share-dns.com serial=1750933055

`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

⚠️ On DNS blocklist: tif

Same first word

r-certification.com

DNS History

10 records (5 active, 5 former)

●NSa.share-dns.com2026-03-20 → 2026-03-24 · 3 obs

○ 2018-05-24 03:43:00
● 2026-03-20 03:02:30
● 2026-03-24 11:39:58

●NSa3.share-dns.com2026-03-20 → 2026-03-24 · 3 obs

○ 2018-05-24 03:43:00
● 2026-03-20 03:02:30
● 2026-03-24 11:39:58

●NSb.share-dns.net2026-03-20 → 2026-03-24 · 3 obs

○ 2018-05-24 03:43:00
● 2026-03-20 03:02:30
● 2026-03-24 11:39:58

●NSb3.share-dns.net2026-03-20 → 2026-03-24 · 3 obs

○ 2018-05-24 03:43:00
● 2026-03-20 03:02:30
● 2026-03-24 11:39:58

○NSns47.domaincontrol.com2017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 03:34:18
○ 2018-05-24 03:43:00
○ 2026-03-24 11:39:58

○NSns48.domaincontrol.com2017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 03:34:18
○ 2018-05-24 03:43:00
○ 2026-03-24 11:39:58

○MXmailstore1.secureserver.net2017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 03:34:18
○ 2018-05-24 03:43:00
○ 2026-03-24 11:39:58

○MXsmtp.secureserver.net2017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 03:34:18
○ 2018-05-24 03:43:00
○ 2026-03-24 11:39:58

○A184.168.221.512017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 03:34:18
○ 2018-05-24 03:43:00
○ 2026-03-24 11:39:58

●A47.250.124.232026-03-20 → 2026-03-24 · 3 obs

○ 2018-05-24 03:43:00
● 2026-03-20 03:02:30
● 2026-03-24 11:39:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net...	-
r-certification.com	b3.share-dns.net, a3.share-dns.com	1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b3.share-dns.net, a3.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for r-certification.com (unsigned zone)

⏱️ Timing

Total: 1021ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.250.124.23`
NS	2	`a.share-dns.com, b.share-dns.net`
SOA	1	`a.share-dns.com master.share-dns.com`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a3.share-dns.com)

Analysis

IP Addresses

r-certification.com points to a single IP number: 47.250.124.23.

Other host names, for instance i-certification.com, x-certification.com, n-certification.com and b-certification.com share IP numbers with r-certification.com.

Name Servers

r-certification.com is delegated to four name servers: a3.share-dns.com, a.share-dns.com, b3.share-dns.net and b.share-dns.net.

r-certification.com at least partially shares name servers with other domains, for instance szzkqt.com, jus-so.com, lancarjayaa.com, jinyuzh.com and i0454.com.

These name servers are commonly used together with the name servers a7.share-dns.com, b7.share-dns.net, a12.share-dns.com, b12.share-dns.net, a6.share-dns.com, b6.share-dns.net, a11.share-dns.com, b11.share-dns.net, ns1.gname-dns.com and ns2.gname-dns.com.

Host names pointing to 172.64.53.25: a3.share-dns.com and a.share-dns.com.

Host names pointing to 172.64.52.239: b3.share-dns.net and b.share-dns.net.

r-certification.com - robtex.com