a21st.com - robtex.com
a21st.com
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=1784286607 | ||||||
Previously NS for
a21st.com |
Same first word
a21st.com |
Similar names
DNS History
14 records (8 active, 6 former)
○NSa21st.com2015-08-17 → 2016-04-02 · 4 obs
● 2016-04-02 11:53:58
○ 2016-09-16 15:46:32
○ 2026-07-17 11:23:24
●NSns-cloud-a1.googledomains.com2026-05-29 → 2026-07-17 · 3 obs
● 2026-05-29 13:24:02
● 2026-07-17 11:23:24
●NSns-cloud-a2.googledomains.com2026-05-29 → 2026-07-17 · 3 obs
● 2026-05-29 13:24:02
● 2026-07-17 11:23:24
●NSns-cloud-a3.googledomains.com2026-05-29 → 2026-07-17 · 3 obs
● 2026-05-29 13:24:02
● 2026-07-17 11:23:24
●NSns-cloud-a4.googledomains.com2026-05-29 → 2026-07-17 · 3 obs
● 2026-05-29 13:24:02
● 2026-07-17 11:23:24
○NSns1.cafe24.co.kr2015-08-17 → 2016-04-02 · 4 obs
● 2016-04-02 11:53:58
○ 2016-09-16 15:46:32
○ 2026-07-17 11:23:24
○NSns1.cafe24.com2015-08-17 → 2016-04-02 · 4 obs
● 2016-04-02 11:53:58
○ 2016-09-16 15:46:32
○ 2026-07-17 11:23:24
○NSns2.cafe24.co.kr2015-08-17 → 2016-04-02 · 4 obs
● 2016-04-02 11:53:58
○ 2016-09-16 15:46:32
○ 2026-07-17 11:23:24
○NSns2.cafe24.com2015-08-17 → 2016-04-02 · 4 obs
● 2016-04-02 11:53:58
○ 2016-09-16 15:46:32
○ 2026-07-17 11:23:24
○A112.175.25.132015-08-17 → 2016-04-02 · 4 obs
● 2016-04-02 11:53:58
○ 2016-09-16 15:46:32
○ 2026-07-17 11:23:24
●A198.185.159.1442026-05-29 → 2026-07-17 · 3 obs
● 2026-05-29 13:24:02
● 2026-07-17 11:23:24
●A198.185.159.1452026-05-29 → 2026-07-17 · 3 obs
● 2026-05-29 13:24:02
● 2026-07-17 11:23:24
●A198.49.23.1442026-05-29 → 2026-07-17 · 3 obs
● 2026-05-29 13:24:02
● 2026-07-17 11:23:24
●A198.49.23.1452026-05-29 → 2026-07-17 · 3 obs
● 2026-05-29 13:24:02
● 2026-07-17 11:23:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| a21st.com | ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com | 8 records |
✅ Authoritative Response
Server:216.239.32.106
NS records: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com, ns-cloud-a4.googledomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for a21st.com (unsigned zone)
⏱️ Timing
Total: 564ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 198.49.23.145, 198.185.159.144... |
| NS | 4 | ns-cloud-a4.googledomains.com, ns-cloud-a1.googledomains.com... |
| TXT | 1 | v=spf1 -all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h2", |
| SOA | 1 | ns-cloud-a1.googledomains.com cloud-dns- |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns-cloud-a1.googledomains.com, ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com...)
Analysis
IP Addresses
a21st.com has four IP addresses: 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.
Additional host names — (0x616e616c)ytic-arts.com, actionswagstore.com, protecaosst.com and two others — share IP numbers with a21st.com.
Name Servers
a21st.com has four authoritative name servers: ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com and ns-cloud-a4.googledomains.com.
a21st.com partially shares its NS delegation with several other domains, including zebratechnologies.asia, dhvd.net, foreveraday.com and two others.
ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com and ns-cloud-a4.googledomains.com each carry two IP addresses. ns-cloud-a1.googledomains.com has 216.239.32.106 and 2001:4860:4802:32::6a; ns-cloud-a2.googledomains.com has 216.239.34.106 and 2001:4860:4802:34::6a; ns-cloud-a3.googledomains.com has 216.239.36.106 and 2001:4860:4802:36::6a; ns-cloud-a4.googledomains.com has 216.239.38.106 and 2001:4860:4802:38::6a.