21af.com - robtex.com
21af.com
| DNSSEC | ⚠️ Not signed | ||||||
| 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 | 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 | 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=1785479552 | ||||||
Same first word
21af.com |
Similar names
21fa.com |
12af.com |
fa12.cn |
fa12.eu |
12fa.com |
af21.com |
af21.de |
af21.net |
af12.com |
af21.ch |
fa21.com |
fa21.net |
1fa2.cn |
1af2.com |
fa21.se |
21fa.cc |
1a2f.com |
fa21.de |
a2f1.com |
a21f.com |
DNS History
20 records (4 active, 16 former)
○NSn3160.ns.yunjiasu.com2015-07-24 → 2017-04-20 · 7 obs
● 2015-07-24 12:04:10
● 2015-11-21 09:39:10
○ 2016-02-24 16:35:26
● 2016-04-29 11:45:28
● 2017-04-20 17:39:24
○ 2026-05-13 00:15:22
○ 2026-07-31 06:53:04
● 2015-11-21 09:39:10
○ 2016-02-24 16:35:26
● 2016-04-29 11:45:28
● 2017-04-20 17:39:24
○ 2026-05-13 00:15:22
○ 2026-07-31 06:53:04
○NSn617.ns.yunjiasu.com2015-07-24 → 2017-04-20 · 7 obs
● 2015-07-24 12:04:10
● 2015-11-21 09:39:10
○ 2016-02-24 16:35:26
● 2016-04-29 11:45:28
● 2017-04-20 17:39:24
○ 2026-05-13 00:15:22
○ 2026-07-31 06:53:04
● 2015-11-21 09:39:10
○ 2016-02-24 16:35:26
● 2016-04-29 11:45:28
● 2017-04-20 17:39:24
○ 2026-05-13 00:15:22
○ 2026-07-31 06:53:04
●NSns1.judns.com2026-05-13 → 2026-07-31 · 3 obs
○ 2017-04-20 17:39:24
● 2026-05-13 00:15:22
● 2026-07-31 06:53:04
● 2026-05-13 00:15:22
● 2026-07-31 06:53:04
●NSns1.julydns.com2026-05-13 → 2026-07-31 · 3 obs
○ 2017-04-20 17:39:24
● 2026-05-13 00:15:22
● 2026-07-31 06:53:04
● 2026-05-13 00:15:22
● 2026-07-31 06:53:04
○NSns11.xincache.com2016-02-24 → 2016-02-24 · 4 obs
○ 2015-11-21 09:39:10
● 2016-02-24 16:35:26
○ 2016-04-29 11:45:28
○ 2026-07-31 06:53:04
● 2016-02-24 16:35:26
○ 2016-04-29 11:45:28
○ 2026-07-31 06:53:04
○NSns12.xincache.com2016-02-24 → 2016-02-24 · 4 obs
○ 2015-11-21 09:39:10
● 2016-02-24 16:35:26
○ 2016-04-29 11:45:28
○ 2026-07-31 06:53:04
● 2016-02-24 16:35:26
○ 2016-04-29 11:45:28
○ 2026-07-31 06:53:04
○NSns17.xincache.com2016-02-24 → 2016-02-24 · 4 obs
○ 2015-11-21 09:39:10
● 2016-02-24 16:35:26
○ 2016-04-29 11:45:28
○ 2026-07-31 06:53:04
● 2016-02-24 16:35:26
○ 2016-04-29 11:45:28
○ 2026-07-31 06:53:04
○NSns18.xincache.com2016-02-24 → 2016-02-24 · 4 obs
○ 2015-11-21 09:39:10
● 2016-02-24 16:35:26
○ 2016-04-29 11:45:28
○ 2026-07-31 06:53:04
● 2016-02-24 16:35:26
○ 2016-04-29 11:45:28
○ 2026-07-31 06:53:04
●NSns2.judns.com2026-05-13 → 2026-07-31 · 3 obs
○ 2017-04-20 17:39:24
● 2026-05-13 00:15:22
● 2026-07-31 06:53:04
● 2026-05-13 00:15:22
● 2026-07-31 06:53:04
●NSns2.julydns.com2026-05-13 → 2026-07-31 · 3 obs
○ 2017-04-20 17:39:24
● 2026-05-13 00:15:22
● 2026-07-31 06:53:04
● 2026-05-13 00:15:22
● 2026-07-31 06:53:04
○MX220.181.130.1742015-11-21 → 2016-02-24 · 5 obs
○ 2015-07-24 12:04:10
● 2015-11-21 09:39:10
● 2016-02-24 16:35:26
○ 2016-04-29 11:45:28
○ 2026-07-31 06:53:04
● 2015-11-21 09:39:10
● 2016-02-24 16:35:26
○ 2016-04-29 11:45:28
○ 2026-07-31 06:53:04
○MX220.181.130.1742015-07-24 → 2015-07-24 · 3 obs
● 2015-07-24 12:04:10
○ 2015-11-21 09:39:10
○ 2026-07-31 06:53:04
○ 2015-11-21 09:39:10
○ 2026-07-31 06:53:04
○MXmail.happyisp.com2021-06-14 → 2021-06-14 · 4 obs
○ 2017-04-20 17:39:24
● 2021-06-14 05:00:16
○ 2026-05-13 00:15:22
○ 2026-07-31 06:53:04
● 2021-06-14 05:00:16
○ 2026-05-13 00:15:22
○ 2026-07-31 06:53:04
○MXmx52.dns.com.cn2016-04-29 → 2017-04-20 · 5 obs
○ 2016-02-24 16:35:26
● 2016-04-29 11:45:28
● 2017-04-20 17:39:24
○ 2021-06-14 05:00:16
○ 2026-07-31 06:53:04
● 2016-04-29 11:45:28
● 2017-04-20 17:39:24
○ 2021-06-14 05:00:16
○ 2026-07-31 06:53:04
○A127.0.0.12021-06-14 → 2021-06-14 · 4 obs
○ 2017-04-20 17:39:24
● 2021-06-14 05:00:16
○ 2026-05-13 00:15:22
○ 2026-07-31 06:53:04
● 2021-06-14 05:00:16
○ 2026-05-13 00:15:22
○ 2026-07-31 06:53:04
○A162.159.208.762016-04-29 → 2017-04-20 · 5 obs
○ 2016-02-24 16:35:26
● 2016-04-29 11:45:28
● 2017-04-20 17:39:24
○ 2021-06-14 05:00:16
○ 2026-07-31 06:53:04
● 2016-04-29 11:45:28
● 2017-04-20 17:39:24
○ 2021-06-14 05:00:16
○ 2026-07-31 06:53:04
○A162.159.209.762016-04-29 → 2017-04-20 · 5 obs
○ 2016-02-24 16:35:26
● 2016-04-29 11:45:28
● 2017-04-20 17:39:24
○ 2021-06-14 05:00:16
○ 2026-07-31 06:53:04
● 2016-04-29 11:45:28
● 2017-04-20 17:39:24
○ 2021-06-14 05:00:16
○ 2026-07-31 06:53:04
○A162.159.210.42015-07-24 → 2015-11-21 · 4 obs
● 2015-07-24 12:04:10
● 2015-11-21 09:39:10
○ 2016-02-24 16:35:26
○ 2026-07-31 06:53:04
● 2015-11-21 09:39:10
○ 2016-02-24 16:35:26
○ 2026-07-31 06:53:04
○A162.159.211.42015-07-24 → 2015-11-21 · 4 obs
● 2015-07-24 12:04:10
● 2015-11-21 09:39:10
○ 2016-02-24 16:35:26
○ 2026-07-31 06:53:04
● 2015-11-21 09:39:10
○ 2016-02-24 16:35:26
○ 2026-07-31 06:53:04
○A218.17.211.792016-02-24 → 2016-02-24 · 4 obs
○ 2015-11-21 09:39:10
● 2016-02-24 16:35:26
○ 2016-04-29 11:45:28
○ 2026-07-31 06:53:04
● 2016-02-24 16:35:26
○ 2016-04-29 11:45:28
○ 2026-07-31 06:53:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net... | - |
| 21af.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 21af.com (unsigned zone)
⏱️ Timing
Total: 1290ms | 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
The authoritative name servers for 21af.com are ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
21af.com shares at least some of its name servers with other domains, including zuishijie.com, ibmzhibo.com, whyouqi.cn and two others.
These name servers are frequently paired with the 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.
The host names ns1.judns.com and ns2.judns.com both resolve to 162.159.27.251 IP addresses.
The host names ns1.julydns.com and ns2.julydns.com both resolve to 162.159.48.223 IP addresses.