921a.com - robtex.com
921a.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:47a🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3034::ac43:8411🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.4.122Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.132.17🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | albert.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b3a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | albert.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c13a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | albert.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:213a🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | albert.ns.cloudflare.com | ||||||
| A | 108.162.193.58🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | albert.ns.cloudflare.com | ||||||
| A | 172.64.33.58🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | albert.ns.cloudflare.com | ||||||
| A | 173.245.59.58🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | albert.ns.cloudflare.com | ||||||
| NS | aliza.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:2637🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aliza.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c237🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | aliza.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2237🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | aliza.ns.cloudflare.com | ||||||
| A | 108.162.194.55🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aliza.ns.cloudflare.com | ||||||
| A | 162.159.38.55Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aliza.ns.cloudflare.com | ||||||
| A | 172.64.34.55🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | aliza.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.4.122, 172.67.132.17 | ||||||
| IPv6 | 2606:4700:3031::6815:47a, 2606:4700:3034::ac43:8411 | ||||||
| SOA | albert.ns.cloudflare.comdns@cloudflare.com serial=2394882681 | ||||||
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
921a.com |
Similar names
12a9.org |
a912.blogspot.com |
a291.cc |
192a.cn |
129a.net |
12a9.com |
1a92.cc |
291a.com |
192a.com |
a129.cc |
a192.com |
129a.cc |
192a.cc |
a921.com |
DNS History
18 records (6 active, 12 former)
●NSalbert.ns.cloudflare.com2026-03-20 → 2026-03-23 · 3 obs
○ 2019-01-04 18:32:24
● 2026-03-20 13:02:58
● 2026-03-23 15:39:08
● 2026-03-20 13:02:58
● 2026-03-23 15:39:08
●NSaliza.ns.cloudflare.com2026-03-20 → 2026-03-23 · 3 obs
○ 2019-01-04 18:32:24
● 2026-03-20 13:02:58
● 2026-03-23 15:39:08
● 2026-03-20 13:02:58
● 2026-03-23 15:39:08
○NSexpirens3.hichina.com2016-04-03 → 2016-04-03 · 4 obs
○ 2016-01-03 09:31:00
● 2016-04-03 10:20:24
○ 2017-02-17 10:59:52
○ 2026-03-23 15:39:08
● 2016-04-03 10:20:24
○ 2017-02-17 10:59:52
○ 2026-03-23 15:39:08
○NSexpirens4.hichina.com2016-04-03 → 2016-04-03 · 4 obs
○ 2016-01-03 09:31:00
● 2016-04-03 10:20:24
○ 2017-02-17 10:59:52
○ 2026-03-23 15:39:08
● 2016-04-03 10:20:24
○ 2017-02-17 10:59:52
○ 2026-03-23 15:39:08
○NSf1g1ns1.dnspod.net2015-06-11 → 2016-01-03 · 4 obs
● 2015-06-11 02:56:44
● 2016-01-03 09:31:00
○ 2016-04-03 10:20:24
○ 2026-03-23 15:39:08
● 2016-01-03 09:31:00
○ 2016-04-03 10:20:24
○ 2026-03-23 15:39:08
○NSf1g1ns2.dnspod.net2015-10-23 → 2016-01-03 · 5 obs
○ 2015-06-11 02:56:44
● 2015-10-23 15:24:16
● 2016-01-03 09:31:00
○ 2016-04-03 10:20:24
○ 2026-03-23 15:39:08
● 2015-10-23 15:24:16
● 2016-01-03 09:31:00
○ 2016-04-03 10:20:24
○ 2026-03-23 15:39:08
○NSns1.namebrightdns.com2017-02-17 → 2019-01-04 · 5 obs
○ 2016-04-03 10:20:24
● 2017-02-17 10:59:52
● 2019-01-04 18:32:24
○ 2026-03-20 13:02:58
○ 2026-03-23 15:39:08
● 2017-02-17 10:59:52
● 2019-01-04 18:32:24
○ 2026-03-20 13:02:58
○ 2026-03-23 15:39:08
○NSns2.namebrightdns.com2017-02-17 → 2019-01-04 · 5 obs
○ 2016-04-03 10:20:24
● 2017-02-17 10:59:52
● 2019-01-04 18:32:24
○ 2026-03-20 13:02:58
○ 2026-03-23 15:39:08
● 2017-02-17 10:59:52
● 2019-01-04 18:32:24
○ 2026-03-20 13:02:58
○ 2026-03-23 15:39:08
●A104.21.4.1222026-03-20 → 2026-03-23 · 3 obs
○ 2019-01-04 18:32:24
● 2026-03-20 13:02:58
● 2026-03-23 15:39:08
● 2026-03-20 13:02:58
● 2026-03-23 15:39:08
●A172.67.132.172026-03-20 → 2026-03-23 · 3 obs
○ 2019-01-04 18:32:24
● 2026-03-20 13:02:58
● 2026-03-23 15:39:08
● 2026-03-20 13:02:58
● 2026-03-23 15:39:08
○A199.33.121.742015-06-11 → 2016-01-03 · 4 obs
● 2015-06-11 02:56:44
● 2016-01-03 09:31:00
○ 2016-04-03 10:20:24
○ 2026-03-23 15:39:08
● 2016-01-03 09:31:00
○ 2016-04-03 10:20:24
○ 2026-03-23 15:39:08
●A2606:4700:3031::6815:47a2026-03-20 → 2026-03-23 · 3 obs
○ 2019-01-04 18:32:24
● 2026-03-20 13:02:58
● 2026-03-23 15:39:08
● 2026-03-20 13:02:58
● 2026-03-23 15:39:08
●A2606:4700:3034::ac43:84112026-03-20 → 2026-03-23 · 3 obs
○ 2019-01-04 18:32:24
● 2026-03-20 13:02:58
● 2026-03-23 15:39:08
● 2026-03-20 13:02:58
● 2026-03-23 15:39:08
○A42.120.158.782016-04-03 → 2016-04-03 · 4 obs
○ 2016-01-03 09:31:00
● 2016-04-03 10:20:24
○ 2017-02-17 10:59:52
○ 2026-03-23 15:39:08
● 2016-04-03 10:20:24
○ 2017-02-17 10:59:52
○ 2026-03-23 15:39:08
○A52.1.32.252017-02-17 → 2017-02-17 · 4 obs
○ 2016-04-03 10:20:24
● 2017-02-17 10:59:52
○ 2019-01-04 18:32:24
○ 2026-03-23 15:39:08
● 2017-02-17 10:59:52
○ 2019-01-04 18:32:24
○ 2026-03-23 15:39:08
○A54.88.133.922017-02-17 → 2017-02-17 · 4 obs
○ 2016-04-03 10:20:24
● 2017-02-17 10:59:52
○ 2019-01-04 18:32:24
○ 2026-03-23 15:39:08
● 2017-02-17 10:59:52
○ 2019-01-04 18:32:24
○ 2026-03-23 15:39:08
○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-02-17 → 2017-02-17 · 3 obs
● 2017-02-17 10:59:52
○ 2019-01-04 18:32:24
○ 2026-03-23 15:39:08
○ 2019-01-04 18:32:24
○ 2026-03-23 15:39:08
○CNAMEhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com2019-01-04 → 2019-01-04 · 4 obs
○ 2017-02-17 10:59:52
● 2019-01-04 18:32:24
○ 2026-03-20 13:02:58
○ 2026-03-23 15:39:08
● 2019-01-04 18:32:24
○ 2026-03-20 13:02:58
○ 2026-03-23 15:39:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net... | - |
| 921a.com | albert.ns.cloudflare.com, aliza.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.58
NS records: albert.ns.cloudflare.com, aliza.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 921a.com (unsigned zone)
⏱️ Timing
Total: 177ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.132.17, 104.21.4.122 |
| AAAA | 2 | 2606:4700:3031::6815:47a, 2606:4700:3034::ac43:8411 |
| NS | 2 | albert.ns.cloudflare.com, aliza.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | albert.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (albert.ns.cloudflare.com, albert.ns.cloudflare.com, albert.ns.cloudflare.com...)
Analysis
IP Addresses
921a.com points to four IP numbers: 2606:4700:3031::6815:47a, 2606:4700:3034::ac43:8411, 104.21.4.122 and 172.67.132.17.
Other host names, for instance api.install.p12.ru, dhll1.help, geminitopdf.com, dollarsanity.com and www.daninko.ca share IP numbers with 921a.com.
Name Servers
921a.com is delegated to two name servers: albert.ns.cloudflare.com and aliza.ns.cloudflare.com.
921a.com uses the same name server setup as other domains, for instance 739088.com, 2486777.com, 6713e.com, 542788.com and conga-award.de.
921a.com shares name servers with other domains at least partially, for instance askm.how, authry.com, hnsmbz.com, seeyou-ray.com and cend.org.
these name servers are commonly used together with marissa.ns.cloudflare.com and alexandra.ns.cloudflare.com.
Host names with six IP numbers: albert.ns.cloudflare.com points to 2606:4700:58::adf5:3b3a, 2803:f800:50::6ca2:c13a, 2a06:98c1:50::ac40:213a, 108.162.193.58, 172.64.33.58 and 173.245.59.58; aliza.ns.cloudflare.com points to 2606:4700:50::a29f:2637, 2803:f800:50::6ca2:c237, 2a06:98c1:50::ac40:2237, 108.162.194.55, 162.159.38.55 and 172.64.34.55.