21bikes.com - robtex.com

21bikes.com

DNSSEC⚠️ Not signed
A154.89.106.203🇭🇰 HKIDC-AS-AP154.89.64.0/18 abcde
NSa9.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
PTRip-172-64-53-25.defastlink.net
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
PTRip-172-64-53-25.defastlink.net
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
PTRip-172-64-52-239.defastlink.net
NSb9.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
PTRip-172-64-52-239.defastlink.net
SOAa.share-dns.commaster@share-dns.com serial=1738654517

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

Same first word

21bikes.com

Similar names

bikes21.com

DNS History

13 records (5 active, 8 former)

20162017201820192020202120222023202420252026NSa.share-dns.coma9.share-dns.comb.share-dns.netb9.share-dns.netwww.21bikes.comMXio.bouncemx.commail.skrimple.comA154.89.106.203162.218.54.42198.12.15.24470.39.84.23670.39.84.242CNAMEnum2.dcoin.co
●NSa.share-dns.com2026-03-17 → 2026-03-17 · 3 obs
○ 2018-12-04 22:42:16
● 2026-03-17 13:19:56
● 2026-03-17 19:46:54
●NSa9.share-dns.com2026-03-17 → 2026-03-17 · 3 obs
○ 2018-12-04 22:42:16
● 2026-03-17 13:19:56
● 2026-03-17 19:46:54
●NSb.share-dns.net2026-03-17 → 2026-03-17 · 3 obs
○ 2018-12-04 22:42:16
● 2026-03-17 13:19:56
● 2026-03-17 19:46:54
●NSb9.share-dns.net2026-03-17 → 2026-03-17 · 3 obs
○ 2018-12-04 22:42:16
● 2026-03-17 13:19:56
● 2026-03-17 19:46:54
○NSwww.21bikes.com2015-12-02 → 2018-12-04 · 4 obs
● 2015-12-02 18:11:04
● 2018-12-04 22:42:16
○ 2026-03-17 13:19:56
○ 2026-03-17 19:46:54
○MXio.bouncemx.com2015-12-02 → 2017-02-14 · 5 obs
○ 2015-08-11 02:29:56
● 2015-12-02 18:11:04
● 2017-02-14 00:55:38
○ 2018-12-04 22:42:16
○ 2026-03-17 19:46:54
○MXmail.skrimple.com2015-08-11 → 2015-08-11 · 3 obs
● 2015-08-11 02:29:56
○ 2015-12-02 18:11:04
○ 2026-03-17 19:46:54
●A154.89.106.2032026-03-17 → 2026-03-17 · 3 obs
○ 2018-12-04 22:42:16
● 2026-03-17 13:19:56
● 2026-03-17 19:46:54
○A162.218.54.422015-08-11 → 2015-08-11 · 3 obs
● 2015-08-11 02:29:56
○ 2015-12-02 18:11:04
○ 2026-03-17 19:46:54
○A198.12.15.2442015-08-11 → 2015-08-11 · 3 obs
● 2015-08-11 02:29:56
○ 2015-12-02 18:11:04
○ 2026-03-17 19:46:54
○A70.39.84.2362016-03-02 → 2016-03-02 · 4 obs
○ 2015-12-02 18:11:04
● 2016-03-02 23:42:12
○ 2016-07-03 02:45:46
○ 2026-03-17 19:46:54
○A70.39.84.2422015-12-02 → 2017-02-14 · 7 obs
○ 2015-08-11 02:29:56
● 2015-12-02 18:11:04
○ 2016-03-02 23:42:12
● 2016-07-03 02:45:46
● 2017-02-14 00:55:38
○ 2018-12-04 22:42:16
○ 2026-03-17 19:46:54
○CNAMEnum2.dcoin.co2015-12-02 → 2018-12-04 · 4 obs
● 2015-12-02 18:11:04
● 2018-12-04 22:42:16
○ 2026-03-17 13:19:56
○ 2026-03-17 19:46:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comi.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net...-
21bikes.comb9.share-dns.net, a9.share-dns.com1 record

✅ Authoritative Response

Server: 172.64.52.239

NS records: b9.share-dns.net, a9.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21bikes.com (unsigned zone)

⏱️ Timing

Total: 155ms | Queries: -

📄 Records

TypeCountSample Data
A1154.89.106.203
NS2a.share-dns.com, b.share-dns.net
SOA1a.share-dns.com master.share-dns.com

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a9.share-dns.com)

Analysis

IP Addresses

21bikes.com points to a single IP number: 154.89.106.203.

Name Servers

21bikes.com is delegated to four name servers: a9.share-dns.com, a.share-dns.com, b9.share-dns.net and b.share-dns.net.

21bikes.com at least partially shares name servers with other domains, for instance tjjlwh.com, qdhml.com, rymq.net, foodexpogz.cn and itsamarketingthing.com.

These name servers are often used together with the name servers a12.share-dns.com, b12.share-dns.net, a11.share-dns.com, b11.share-dns.net, a3.share-dns.com, b3.share-dns.net, a4.share-dns.com, b4.share-dns.net, a7.share-dns.com and b7.share-dns.net.

Host names with one IP:

a9.share-dns.com points to 172.64.53.25.

a.share-dns.com points to 172.64.53.25.

b9.share-dns.net points to 172.64.52.239.

b.share-dns.net points to 172.64.52.239.

Hosts pointing to 172.64.53.25: a9.share-dns.com, a.share-dns.com.

Hosts pointing to 172.64.52.239: b9.share-dns.net, b.share-dns.net.