21707.cn - robtex.com

21707.cn

DNSSEC⚠️ Not signed
A162.218.28.78🇺🇸 FASTNET-AS162.218.28.0/24 proxy reg for customer
NSa12.share-dns.com ⭐ ⚠️ Not in parent delegation
A172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSa.share-dns.com ⚠️ Not in zone NS records
A172.64.53.25🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSb.share-dns.net ⚠️ Not in zone NS records
A172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSb12.share-dns.net ⚠️ Not in parent delegation
A172.64.52.239🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
SOAa.share-dns.commaster@share-dns.com serial=1780291340

cn

DNSSEC🔒 Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn 2035-05-16 #72

Same first word

21707.cn
21707.us

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DNS History

18 records (5 active, 13 former)

20162017201820192020202120222023202420252026NSa.share-dns.coma12.share-dns.comb.share-dns.netb12.share-dns.netdns1.iidns.comdns2.iidns.comdns3.iidns.comdns4.iidns.comdns5.iidns.comdns6.iidns.comA162.218.28.78104.160.182.132104.160.182.134198.148.92.53198.148.92.56198.148.92.58198.148.92.62CNAMEfw.ename.net
●NSa.share-dns.com2026-06-19 → 2026-07-17 · 3 obs
○ 2016-09-17 21:26:40
● 2026-06-19 07:35:04
● 2026-07-17 14:13:46
●NSa12.share-dns.com2026-06-19 → 2026-07-17 · 3 obs
○ 2016-09-17 21:26:40
● 2026-06-19 07:35:04
● 2026-07-17 14:13:46
●NSb.share-dns.net2026-06-19 → 2026-07-17 · 3 obs
○ 2016-09-17 21:26:40
● 2026-06-19 07:35:04
● 2026-07-17 14:13:46
●NSb12.share-dns.net2026-06-19 → 2026-07-17 · 3 obs
○ 2016-09-17 21:26:40
● 2026-06-19 07:35:04
● 2026-07-17 14:13:46
○NSdns1.iidns.com2015-05-22 → 2016-09-17 · 4 obs
● 2015-05-22 16:34:24
● 2016-09-17 21:26:40
○ 2026-06-19 07:35:04
○ 2026-07-17 14:13:46
○NSdns2.iidns.com2015-05-22 → 2016-09-17 · 4 obs
● 2015-05-22 16:34:24
● 2016-09-17 21:26:40
○ 2026-06-19 07:35:04
○ 2026-07-17 14:13:46
○NSdns3.iidns.com2015-05-22 → 2016-09-17 · 4 obs
● 2015-05-22 16:34:24
● 2016-09-17 21:26:40
○ 2026-06-19 07:35:04
○ 2026-07-17 14:13:46
○NSdns4.iidns.com2015-05-22 → 2016-09-17 · 4 obs
● 2015-05-22 16:34:24
● 2016-09-17 21:26:40
○ 2026-06-19 07:35:04
○ 2026-07-17 14:13:46
○NSdns5.iidns.com2015-05-22 → 2016-09-17 · 4 obs
● 2015-05-22 16:34:24
● 2016-09-17 21:26:40
○ 2026-06-19 07:35:04
○ 2026-07-17 14:13:46
○NSdns6.iidns.com2015-05-22 → 2016-09-17 · 4 obs
● 2015-05-22 16:34:24
● 2016-09-17 21:26:40
○ 2026-06-19 07:35:04
○ 2026-07-17 14:13:46
○A104.160.182.1322016-09-17 → 2016-09-17 · 4 obs
○ 2015-05-22 16:34:24
● 2016-09-17 21:26:40
○ 2026-06-19 07:35:04
○ 2026-07-17 14:13:46
○A104.160.182.1342016-09-17 → 2016-09-17 · 4 obs
○ 2015-05-22 16:34:24
● 2016-09-17 21:26:40
○ 2026-06-19 07:35:04
○ 2026-07-17 14:13:46
●A162.218.28.782026-06-19 → 2026-07-17 · 3 obs
○ 2016-09-17 21:26:40
● 2026-06-19 07:35:04
● 2026-07-17 14:13:46
○A198.148.92.532015-05-22 → 2015-05-22 · 3 obs
● 2015-05-22 16:34:24
○ 2026-06-19 07:35:04
○ 2026-07-17 14:13:46
○A198.148.92.562015-05-22 → 2015-05-22 · 3 obs
● 2015-05-22 16:34:24
○ 2026-06-19 07:35:04
○ 2026-07-17 14:13:46
○A198.148.92.582015-05-22 → 2015-05-22 · 3 obs
● 2015-05-22 16:34:24
○ 2026-06-19 07:35:04
○ 2026-07-17 14:13:46
○A198.148.92.622015-05-22 → 2015-05-22 · 3 obs
● 2015-05-22 16:34:24
○ 2026-06-19 07:35:04
○ 2026-07-17 14:13:46
○CNAMEfw.ename.net2015-05-22 → 2016-09-17 · 6 obs
● 2015-05-22 16:34:24
○ 2015-10-09 23:35:22
○ 2016-03-25 08:33:10
● 2016-09-17 21:26:40
○ 2026-06-19 07:35:04
○ 2026-07-17 14:13:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cnd.dns.cn, b.dns.cn, a.dns.cn, c.dns.cn...-
21707.cna12.share-dns.com, b12.share-dns.net-

✅ Authoritative Response

Server:172.64.52.239

NS records: a12.share-dns.com, b12.share-dns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21707.cn (unsigned zone)

⏱️ Timing

Total: 1006ms | Queries: -

📄 Records

TypeCountSample Data
A1162.218.28.78
NS2a.share-dns.com, b.share-dns.net
SOA1a.share-dns.com master.share-dns.com

Analysis

IP Addresses

21707.cn directs to one IP number, which is 162.218.28.78.

Among the host names that share IP numbers with 21707.cn are ca4088.com, ca1022.com, 579.vip and two others.

Name Servers

The domain 21707.cn is delegated to these four name servers: a12.share-dns.com, a.share-dns.com, b12.share-dns.net and b.share-dns.net.

There is at least partial name server overlap between 21707.cn and other domains — yammigo.com, gdlx8.com, whhch.com and two more among them.

These name servers regularly appear alongside a7.share-dns.com, b7.share-dns.net, a5.share-dns.com and 7 other name servers in NS record sets.

Each of a12.share-dns.com, a.share-dns.com, b12.share-dns.net and b.share-dns.net has a single IP address — a12.share-dns.com and a.share-dns.com direct to 172.64.53.25, and b12.share-dns.net and b.share-dns.net direct to 172.64.52.239.

a12.share-dns.com along with a.share-dns.com each resolve to 172.64.53.25 IP addresses.

b12.share-dns.net along with b.share-dns.net each resolve to 172.64.52.239 IP addresses.