`polarscanner.org`

DNSSEC	⚠️ Not signed
NS	`a2.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}
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}
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}
NS	`b2.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}
SOA	`a.share-dns.com`master@share-dns.com serial=1784814652

`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=1785130020

Same first word

polarscanner.org

DNS History

10 records (4 active, 6 former)

●NSa.share-dns.com2026-03-31 → 2026-07-27 · 3 obs

○ 2021-10-09 00:17:16
● 2026-03-31 04:47:58
● 2026-07-27 06:01:08

●NSa2.share-dns.com2026-03-31 → 2026-07-27 · 3 obs

○ 2021-10-09 00:17:16
● 2026-03-31 04:47:58
● 2026-07-27 06:01:08

●NSb.share-dns.net2026-03-31 → 2026-07-27 · 3 obs

○ 2021-10-09 00:17:16
● 2026-03-31 04:47:58
● 2026-07-27 06:01:08

●NSb2.share-dns.net2026-03-31 → 2026-07-27 · 3 obs

○ 2021-10-09 00:17:16
● 2026-03-31 04:47:58
● 2026-07-27 06:01:08

○NSns13.xincache.com2018-12-05 → 2021-10-09 · 4 obs

● 2018-12-05 07:45:44
● 2021-10-09 00:17:16
○ 2026-03-31 04:47:58
○ 2026-07-27 06:01:08

○NSns14.xincache.com2018-12-05 → 2021-10-09 · 6 obs

● 2018-12-05 07:45:44
● 2019-05-31 01:08:14
○ 2020-12-04 19:27:58
● 2021-10-09 00:17:16
○ 2026-03-31 04:47:58
○ 2026-07-27 06:01:08

○A172.232.112.2212026-03-31 → 2026-07-27 · 2 obs

○ 2026-03-31 04:47:58
○ 2026-07-27 06:01:08

○A192.168.10.1072020-12-04 → 2021-10-09 · 5 obs

○ 2019-05-31 01:08:14
● 2020-12-04 19:27:58
● 2021-10-09 00:17:16
○ 2026-03-31 04:47:58
○ 2026-07-27 06:01:08

○A211.95.58.1892018-12-05 → 2018-12-05 · 3 obs

● 2018-12-05 07:45:44
○ 2019-05-31 01:08:14
○ 2026-07-27 06:01:08

○A211.95.58.1902019-05-31 → 2019-05-31 · 4 obs

○ 2018-12-05 07:45:44
● 2019-05-31 01:08:14
○ 2020-12-04 19:27:58
○ 2026-07-27 06:01:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
polarscanner.org	b2.share-dns.net, a2.share-dns.com	-

✅ Authoritative Response

Server:172.64.53.25

NS records: b2.share-dns.net, a2.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for polarscanner.org (unsigned zone)

⏱️ Timing

Total: 1599ms | Queries: -

📄 Records

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

Analysis

Name Servers

polarscanner.org has four authoritative name servers: a2.share-dns.com, a.share-dns.com, b2.share-dns.net and b.share-dns.net.

polarscanner.org partially shares its NS delegation with several other domains, including ptlife.net, china-download-kaiyunsports.com, cnemma.com and two others.

In DNS configurations, these name servers often share authority with a3.share-dns.com, b3.share-dns.net, a12.share-dns.com and 7 other name servers.

a2.share-dns.com and a.share-dns.com each resolve to 172.64.53.25, while b2.share-dns.net and b.share-dns.net each resolve to 172.64.52.239.

These two host names — a2.share-dns.com and a.share-dns.com — each point to 172.64.53.25 IP addresses.

These two host names — b2.share-dns.net and b.share-dns.net — each point to 172.64.52.239 IP addresses.

polarscanner.org - robtex.com