renfengtan.com - robtex.com
renfengtan.com
| DNSSEC | ⚠️ Not signed | ||||||
| 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 | a9.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 | 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 | b9.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 | ||||||
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.netnstld@verisign-grs.com serial=1771291435 | ||||||
Same first word
renfengtan.com |
DNS History
15 records (4 active, 11 former)
●NSa.share-dns.com2026-02-20 → 2026-03-24 · 3 obs
● 2026-02-20 12:28:16
● 2026-03-24 03:26:56
○NSa1.share-dns.com2026-02-20 → 2026-02-20 · 3 obs
● 2026-02-20 12:28:16
○ 2026-03-24 03:26:56
●NSa9.share-dns.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 03:26:56
●NSb.share-dns.net2026-02-20 → 2026-03-24 · 3 obs
● 2026-02-20 12:28:16
● 2026-03-24 03:26:56
○NSb1.share-dns.net2026-02-20 → 2026-02-20 · 3 obs
● 2026-02-20 12:28:16
○ 2026-03-24 03:26:56
●NSb9.share-dns.net2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 03:26:56
○NSdns17.hichina.com2015-05-13 → 2016-04-02 · 4 obs
● 2016-04-02 16:41:54
○ 2016-09-09 13:22:50
○ 2026-03-24 03:26:56
○NSdns18.hichina.com2015-05-13 → 2016-04-02 · 4 obs
● 2016-04-02 16:41:54
○ 2016-09-09 13:22:50
○ 2026-03-24 03:26:56
○NSexpirens3.hichina.com2016-09-09 → 2016-09-09 · 4 obs
● 2016-09-09 13:22:50
○ 2017-04-21 09:16:44
○ 2026-03-24 03:26:56
○NSexpirens4.hichina.com2016-09-09 → 2016-09-09 · 4 obs
● 2016-09-09 13:22:50
○ 2017-04-21 09:16:44
○ 2026-03-24 03:26:56
○NSns1.dns.com2017-04-21 → 2017-04-21 · 4 obs
● 2017-04-21 09:16:44
○ 2026-02-20 12:28:16
○ 2026-03-24 03:26:56
○A112.125.188.792015-05-13 → 2016-04-02 · 4 obs
● 2016-04-02 16:41:54
○ 2016-09-09 13:22:50
○ 2026-03-24 03:26:56
○A166.88.136.1202017-04-21 → 2017-04-21 · 4 obs
● 2017-04-21 09:16:44
○ 2026-02-20 12:28:16
○ 2026-03-24 03:26:56
○A47.89.58.1412016-09-09 → 2016-09-09 · 4 obs
● 2016-09-09 13:22:50
○ 2017-04-21 09:16:44
○ 2026-03-24 03:26:56
○A8.218.118.1572026-02-20 → 2026-02-20 · 3 obs
● 2026-02-20 12:28:16
○ 2026-03-24 03:26:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| renfengtan.com | b9.share-dns.net, a9.share-dns.com | 1 record |
✅ Authoritative Response
Server:172.64.53.25
NS records: b9.share-dns.net, a9.share-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for renfengtan.com (unsigned zone)
⏱️ Timing
Total: 474ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | a.share-dns.com, b.share-dns.net |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (a9.share-dns.com)
Analysis
Name Servers
renfengtan.com delegates to four name servers: a9.share-dns.com, a.share-dns.com, b9.share-dns.net and b.share-dns.net.
renfengtan.com at least partially shares name servers with other domains, for instance onlinemouse.com, timewiseevents.com, q89fqs.com, yuanzhixuetang.com and hnxsgd.com.
these name servers are commonly used with a3.share-dns.com, b3.share-dns.net, a10.share-dns.com, b10.share-dns.net, a6.share-dns.com, b6.share-dns.net, a2.share-dns.com, b2.share-dns.net, a12.share-dns.com and b12.share-dns.net.
Hostnames with one IP:
a9.share-dns.com resolves to 172.64.53.25.
a.share-dns.com resolves to 172.64.53.25.
b9.share-dns.net resolves to 172.64.52.239.
b.share-dns.net resolves to 172.64.52.239.
Hostnames resolving to 172.64.53.25: a9.share-dns.com and a.share-dns.com.
Hostnames resolving to 172.64.52.239: b9.share-dns.net and b.share-dns.net.