521sj.com - robtex.com
521sj.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.83.224.109🇺🇸 OWGELS-AS-AP154.83.224.0/24 | ||||||
| NS | ns1.julydns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD | ||||||
| NS | ns1.judns.com ⚠️ Not in zone NS records | ||||||
| A | 47.97.51.45🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD | ||||||
| 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=1760003961 | ||||||
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=1774715302 | ||||||
Same first word
521sj.com |
Similar names
DNS History
11 records (5 active, 6 former)
○NSjuming.dnsdun.com2017-03-26 → 2017-03-26 · 4 obs
● 2017-03-26 11:26:12
○ 2026-03-21 10:36:54
○ 2026-03-28 16:50:06
○NSjuming.dnsdun.net2017-03-26 → 2017-03-26 · 4 obs
● 2017-03-26 11:26:12
○ 2026-03-21 10:36:54
○ 2026-03-28 16:50:06
●NSns1.judns.com2026-03-21 → 2026-03-28 · 3 obs
● 2026-03-21 10:36:54
● 2026-03-28 16:50:06
●NSns1.julydns.com2026-03-21 → 2026-03-28 · 3 obs
● 2026-03-21 10:36:54
● 2026-03-28 16:50:06
○NSns1.oray.net2015-05-31 → 2016-03-29 · 4 obs
● 2016-03-29 22:43:16
○ 2016-07-21 10:27:06
○ 2026-03-28 16:50:06
●NSns2.judns.com2026-03-21 → 2026-03-28 · 3 obs
● 2026-03-21 10:36:54
● 2026-03-28 16:50:06
●NSns2.julydns.com2026-03-21 → 2026-03-28 · 3 obs
● 2026-03-21 10:36:54
● 2026-03-28 16:50:06
○NSns2.oray.net2015-05-31 → 2016-03-29 · 4 obs
● 2016-03-29 22:43:16
○ 2016-07-21 10:27:06
○ 2026-03-28 16:50:06
○NSpeanutmail.newpeanut.idc2015-05-31 → 2016-07-21 · 4 obs
● 2016-07-21 10:27:06
○ 2017-03-26 11:26:12
○ 2026-03-28 16:50:06
●A154.83.224.1092026-03-21 → 2026-03-28 · 3 obs
● 2026-03-21 10:36:54
● 2026-03-28 16:50:06
○A166.88.136.272017-03-26 → 2017-03-26 · 3 obs
○ 2026-03-21 10:36:54
○ 2026-03-28 16:50:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net, l.gtld-servers.net... | - |
| 521sj.com | ns1.judns.com, ns2.judns.com | 2 records |
✅ Authoritative Response
Server:47.97.51.45
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 521sj.com (unsigned zone)
⏱️ Timing
Total: 3319ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.83.224.109 |
| 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
521sj.com resolves to one IP number: 154.83.224.109.
Name Servers
521sj.com is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
521sj.com at least partially shares name servers with other domains, for instance ac68dd258e.top, nrgo.cn, jinglingbi.com, cysh365.cn and hhxxny.com.
Host names with one IP:
ns1.judns.com points to 47.97.51.45
ns2.judns.com points to 162.159.27.251
ns1.julydns.com points to 47.97.51.45
ns2.julydns.com points to 162.159.48.223
Host names that point to 47.97.51.45: ns1.judns.com and ns1.julydns.com