qa51.com - robtex.com
qa51.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 64.64.253.33🇺🇸 IT-164.64.252.0/22 AS25820 | ||||||
| PTR | 64.64.253.33.16clouds.com | ||||||
| NS | ns1.julydns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns1.judns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.judns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.julydns.com ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1780856174 | ||||||
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=1784385517 | ||||||
rank #424895 in the tld
Same first word
qa51.com |
Similar names
DNS History
12 records (5 active, 7 former)
●NSns1.judns.com2026-06-27 → 2026-07-18 · 3 obs
● 2026-06-27 22:33:24
● 2026-07-18 14:57:58
●NSns1.julydns.com2026-06-27 → 2026-07-18 · 3 obs
● 2026-06-27 22:33:24
● 2026-07-18 14:57:58
●NSns2.judns.com2026-06-27 → 2026-07-18 · 3 obs
● 2026-06-27 22:33:24
● 2026-07-18 14:57:58
●NSns2.julydns.com2026-06-27 → 2026-07-18 · 3 obs
● 2026-06-27 22:33:24
● 2026-07-18 14:57:58
○NSwww.qa51.com2015-05-20 → 2017-01-08 · 4 obs
● 2017-01-08 19:24:52
○ 2018-01-02 05:33:56
○ 2026-07-18 14:57:58
○MXio.bouncemx.com2015-10-20 → 2016-04-26 · 4 obs
● 2016-04-26 00:29:22
○ 2018-01-02 05:33:56
○ 2026-07-18 14:57:58
●A64.64.253.332026-06-27 → 2026-07-18 · 3 obs
● 2026-06-27 22:33:24
● 2026-07-18 14:57:58
○A70.39.84.2492015-05-20 → 2015-05-20 · 3 obs
○ 2018-01-02 05:33:56
○ 2026-07-18 14:57:58
○A70.39.84.2502015-10-20 → 2016-04-26 · 6 obs
● 2015-10-20 19:12:28
○ 2016-01-24 00:04:54
● 2016-04-26 00:29:22
○ 2018-01-02 05:33:56
○ 2026-07-18 14:57:58
○A70.39.84.2542016-01-24 → 2016-01-24 · 4 obs
● 2016-01-24 00:04:54
○ 2016-04-26 00:29:22
○ 2026-07-18 14:57:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net... | - |
| qa51.com | ns1.judns.com, ns2.judns.com | 2 records |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for qa51.com (unsigned zone)
⏱️ Timing
Total: 270ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 64.64.253.33 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.judns.com, ns2.judns.com)
Analysis
IP Addresses
qa51.com resolves to one IP address: 64.64.253.33.
oc8287.com, xcsheng.com, 99zf02.com and two other host names share IP numbers with qa51.com.
Name Servers
The authoritative name servers for qa51.com are ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
qa51.com has at least partial name server overlap with other domains, such as xc-art.com, ckcom.cn, ehuanwei.cn and two others.
It is common to see these name servers used together with name servers ns1.onclouddns.com and ns2.onclouddns.com.
Four host names each point to one IP address: ns1.judns.com and ns2.judns.com both point to 162.159.27.251, and ns1.julydns.com and ns2.julydns.com both point to 162.159.48.223.
ns1.judns.com along with ns2.judns.com each resolve to 162.159.27.251 IP addresses.
ns1.julydns.com along with ns2.julydns.com each resolve to 162.159.48.223 IP addresses.