021f1.com - robtex.com
021f1.com
| DNSSEC | ⚠️ Not signed | ||||||
| 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 | ns1.julydns.com ⚠️ Not in parent delegation | ||||||
| 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 | ||||||
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=1776294187 | ||||||
Same first word
021f1.com |
Similar names
DNS History
18 records (4 active, 14 former)
○NSexpire01.dnspod.net2026-04-15 → 2026-04-15 · 2 obs
○ 2026-04-15 23:24:40
○ 2026-04-15 23:24:42
○ 2026-04-15 23:24:42
○NSexpire02.dnspod.net2026-04-15 → 2026-04-15 · 2 obs
○ 2026-04-15 23:24:40
○ 2026-04-15 23:24:42
○ 2026-04-15 23:24:42
○NSns1.domain-resolution.net2015-08-20 → 2017-02-16 · 4 obs
● 2015-08-20 10:21:32
● 2017-02-16 21:13:42
○ 2019-02-06 20:31:06
○ 2026-04-15 23:24:42
● 2017-02-16 21:13:42
○ 2019-02-06 20:31:06
○ 2026-04-15 23:24:42
●NSns1.judns.com2026-04-15 → 2026-04-15 · 3 obs
○ 2019-02-06 20:31:06
● 2026-04-15 23:24:40
● 2026-04-15 23:24:42
● 2026-04-15 23:24:40
● 2026-04-15 23:24:42
●NSns1.julydns.com2026-04-15 → 2026-04-15 · 3 obs
○ 2019-02-06 20:31:06
● 2026-04-15 23:24:40
● 2026-04-15 23:24:42
● 2026-04-15 23:24:40
● 2026-04-15 23:24:42
●NSns2.judns.com2026-04-15 → 2026-04-15 · 3 obs
○ 2019-02-06 20:31:06
● 2026-04-15 23:24:40
● 2026-04-15 23:24:42
● 2026-04-15 23:24:40
● 2026-04-15 23:24:42
●NSns2.julydns.com2026-04-15 → 2026-04-15 · 3 obs
○ 2019-02-06 20:31:06
● 2026-04-15 23:24:40
● 2026-04-15 23:24:42
● 2026-04-15 23:24:40
● 2026-04-15 23:24:42
○NSns2kqz.domain-resolution.net2015-08-20 → 2017-02-16 · 4 obs
● 2015-08-20 10:21:32
● 2017-02-16 21:13:42
○ 2019-02-06 20:31:06
○ 2026-04-15 23:24:42
● 2017-02-16 21:13:42
○ 2019-02-06 20:31:06
○ 2026-04-15 23:24:42
○NSns3.dns.com2019-02-06 → 2019-02-06 · 4 obs
○ 2017-02-16 21:13:42
● 2019-02-06 20:31:06
○ 2026-04-15 23:24:40
○ 2026-04-15 23:24:42
● 2019-02-06 20:31:06
○ 2026-04-15 23:24:40
○ 2026-04-15 23:24:42
○NSns3.domain-resolution.net2015-08-20 → 2017-02-16 · 4 obs
● 2015-08-20 10:21:32
● 2017-02-16 21:13:42
○ 2019-02-06 20:31:06
○ 2026-04-15 23:24:42
● 2017-02-16 21:13:42
○ 2019-02-06 20:31:06
○ 2026-04-15 23:24:42
○NSns4.dns.com2019-02-06 → 2019-02-06 · 4 obs
○ 2017-02-16 21:13:42
● 2019-02-06 20:31:06
○ 2026-04-15 23:24:40
○ 2026-04-15 23:24:42
● 2019-02-06 20:31:06
○ 2026-04-15 23:24:40
○ 2026-04-15 23:24:42
○NSns4sxy.domain-resolution.net2015-08-20 → 2017-02-16 · 4 obs
● 2015-08-20 10:21:32
● 2017-02-16 21:13:42
○ 2019-02-06 20:31:06
○ 2026-04-15 23:24:42
● 2017-02-16 21:13:42
○ 2019-02-06 20:31:06
○ 2026-04-15 23:24:42
○MXmxbiz1.qq.com2015-08-20 → 2019-02-06 · 4 obs
● 2015-08-20 10:21:32
● 2019-02-06 20:31:06
○ 2026-04-15 23:24:40
○ 2026-04-15 23:24:42
● 2019-02-06 20:31:06
○ 2026-04-15 23:24:40
○ 2026-04-15 23:24:42
○MXmxbiz2.qq.com2015-08-20 → 2019-02-06 · 4 obs
● 2015-08-20 10:21:32
● 2019-02-06 20:31:06
○ 2026-04-15 23:24:40
○ 2026-04-15 23:24:42
● 2019-02-06 20:31:06
○ 2026-04-15 23:24:40
○ 2026-04-15 23:24:42
○A115.159.119.582019-02-06 → 2019-02-06 · 4 obs
○ 2017-02-16 21:13:42
● 2019-02-06 20:31:06
○ 2026-04-15 23:24:40
○ 2026-04-15 23:24:42
● 2019-02-06 20:31:06
○ 2026-04-15 23:24:40
○ 2026-04-15 23:24:42
○A182.254.210.2012015-08-20 → 2015-12-24 · 4 obs
● 2015-08-20 10:21:32
● 2015-12-24 17:26:02
○ 2016-07-10 14:21:34
○ 2026-04-15 23:24:42
● 2015-12-24 17:26:02
○ 2016-07-10 14:21:34
○ 2026-04-15 23:24:42
○A59.46.80.1132016-07-10 → 2017-02-16 · 5 obs
○ 2015-12-24 17:26:02
● 2016-07-10 14:21:34
● 2017-02-16 21:13:42
○ 2019-02-06 20:31:06
○ 2026-04-15 23:24:42
● 2016-07-10 14:21:34
● 2017-02-16 21:13:42
○ 2019-02-06 20:31:06
○ 2026-04-15 23:24:42
○CNAMEdomainexpired.domain-expired.com2026-04-15 → 2026-04-15 · 2 obs
○ 2026-04-15 23:24:40
○ 2026-04-15 23:24:42
○ 2026-04-15 23:24:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 021f1.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 021f1.com (unsigned zone)
⏱️ Timing
Total: 400ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.judns.com, ns2.judns.com)
Analysis
Name Servers
021f1.com is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
021f1.com shares name servers with other domains at least partially, for example yyf366.com, gedceiling.com, ahhs10000.com, guolupeijian.cn and kvsjy43.cn.
Host names with one IP number:
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 pointing to 47.97.51.45: ns1.judns.com and ns1.julydns.com