521bus.com - robtex.com

521bus.com

DNSSEC⚠️ Not signed
A156.245.98.149🇭🇰 AS398823156.245.96.0/19 Fastmos Co Limited
NSa11.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
NSb11.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=1762873334

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

DNS History

7 records (5 active, 2 former)

2017201820192020202120222023202420252026NSa.share-dns.coma11.share-dns.comb.share-dns.netb11.share-dns.netdns10.hichina.comdns9.hichina.comA156.245.98.149
●NSa.share-dns.com2026-03-03 → 2026-03-03 · 3 obs
○ 2016-12-17 16:45:46
● 2026-03-03 20:25:50
● 2026-03-03 20:25:52
●NSa11.share-dns.com2026-03-03 → 2026-03-03 · 3 obs
○ 2016-12-17 16:45:46
● 2026-03-03 20:25:50
● 2026-03-03 20:25:52
●NSb.share-dns.net2026-03-03 → 2026-03-03 · 3 obs
○ 2016-12-17 16:45:46
● 2026-03-03 20:25:50
● 2026-03-03 20:25:52
●NSb11.share-dns.net2026-03-03 → 2026-03-03 · 3 obs
○ 2016-12-17 16:45:46
● 2026-03-03 20:25:50
● 2026-03-03 20:25:52
○NSdns10.hichina.com2016-12-17 → 2016-12-17 · 3 obs
● 2016-12-17 16:45:46
○ 2026-03-03 20:25:50
○ 2026-03-03 20:25:52
○NSdns9.hichina.com2016-12-17 → 2016-12-17 · 3 obs
● 2016-12-17 16:45:46
○ 2026-03-03 20:25:50
○ 2026-03-03 20:25:52
●A156.245.98.1492026-03-03 → 2026-03-03 · 2 obs
● 2026-03-03 20:25:50
● 2026-03-03 20:25:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net...-
521bus.comb11.share-dns.net, a11.share-dns.com1 record

✅ Authoritative Response

Server: 172.64.53.25

NS records: b11.share-dns.net, a11.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 521bus.com (unsigned zone)

⏱️ Timing

Total: 938ms | Queries: -

📄 Records

TypeCountSample Data
A1156.245.98.149
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 (a11.share-dns.com)

Analysis

IP Addresses

521bus.com points to a single IP: 156.245.98.149.

Other host names, for instance fcayz.com, share IP numbers with 521bus.com.

Name Servers

521bus.com is delegated to four name servers: a11.share-dns.com, a.share-dns.com, b11.share-dns.net and b.share-dns.net.

521bus.com at least partially shares its name servers with other domains, for instance gjyyzx.com, zjqyhs.com, laughzo.com, owontme.com and 5893pay.com.

These name servers are commonly used with a7.share-dns.com, b7.share-dns.net, a5.share-dns.com, b5.share-dns.net, a6.share-dns.com, b6.share-dns.net, a8.share-dns.com, b8.share-dns.net, a2.share-dns.com and b2.share-dns.net.

Host names with a single IP number:

The host names a11.share-dns.com and a.share-dns.com point to 172.64.53.25.

The host names b11.share-dns.net and b.share-dns.net point to 172.64.52.239.

Host names that point to 172.64.53.25: a11.share-dns.com and a.share-dns.com.

Host names that point to 172.64.52.239: b11.share-dns.net and b.share-dns.net.