courtzero.com - robtex.com
courtzero.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 52.223.13.41🇺🇸 Amazon52.223.0.0/20 | ||||||
| PTR | a74e89cf4458da039.awsglobalaccelerator.com | ||||||
| NS | ns1.renewyourname.net ⭐ | ||||||
| A | 2604:4000:0:d:64:99:97:38🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns1.renewyourname.net | ||||||
| A | 64.99.97.38🇨🇦 TUCOWS64.99.97.0/24 -BRA-BLK2.7.4 | ||||||
| PTR | ns1.renewyourname.net | ||||||
| NS | ns2.renewyourname.net | ||||||
| A | 2604:4000:2800:d:64:99:148:18🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co. | ||||||
| PTR | ns2.renewyourname.net | ||||||
| A | 64.98.148.18🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co. | ||||||
| PTR | ns2.renewyourname.net | ||||||
| SOA | ns1.renewyourname.nethostmaster@renewyourname.net 2026-03-07 #8 | ||||||
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 | ||||||
Subdomains
mail.courtzero.com |
DNS History
11 records (3 active, 8 former)
●NSns1.renewyourname.net2026-03-23 → 2026-03-23 · 3 obs
● 2026-03-23 09:03:54
● 2026-03-23 09:03:56
○NSns188.accountservergroup.com2026-02-17 → 2026-02-17 · 4 obs
● 2026-02-17 04:25:58
○ 2026-03-06 14:19:14
○ 2026-03-23 09:03:56
○NSns189.accountservergroup.com2026-02-17 → 2026-02-17 · 4 obs
● 2026-02-17 04:25:58
○ 2026-03-06 14:19:14
○ 2026-03-23 09:03:56
●NSns2.renewyourname.net2026-03-23 → 2026-03-23 · 3 obs
● 2026-03-23 09:03:54
● 2026-03-23 09:03:56
○NSns25.ixwebhosting.com2015-07-21 → 2018-01-28 · 5 obs
● 2015-07-21 07:40:58
● 2018-01-28 06:10:02
○ 2026-02-17 04:25:58
○ 2026-03-23 09:03:56
○NSns26.ixwebhosting.com2015-07-21 → 2018-01-28 · 5 obs
● 2015-07-21 07:40:58
● 2018-01-28 06:10:02
○ 2026-02-17 04:25:58
○ 2026-03-23 09:03:56
○MXmail.courtzero.com2026-02-17 → 2026-02-17 · 4 obs
● 2026-02-17 04:25:58
○ 2026-03-06 14:19:14
○ 2026-03-23 09:03:56
○MXmail1317.ixwebhosting.com2015-07-21 → 2018-01-28 · 5 obs
● 2015-07-21 07:40:58
● 2018-01-28 06:10:02
○ 2026-02-17 04:25:58
○ 2026-03-23 09:03:56
○A162.215.249.802026-02-17 → 2026-02-17 · 4 obs
● 2026-02-17 04:25:58
○ 2026-03-06 14:19:14
○ 2026-03-23 09:03:56
●A52.223.13.412026-03-23 → 2026-03-23 · 3 obs
● 2026-03-23 09:03:54
● 2026-03-23 09:03:56
○A71.18.76.1612015-07-21 → 2018-01-28 · 5 obs
● 2015-07-21 07:40:58
● 2018-01-28 06:10:02
○ 2026-02-17 04:25:58
○ 2026-03-23 09:03:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| courtzero.com | ns1.renewyourname.net, ns2.renewyourname.net | - |
✅ Authoritative Response
Server:64.98.148.18
NS records: ns1.renewyourname.net, ns2.renewyourname.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for courtzero.com (unsigned zone)
⏱️ Timing
Total: 361ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.223.13.41 |
| NS | 2 | ns2.renewyourname.net, ns1.renewyourname.net |
| SOA | 1 | ns1.renewyourname.net hostmaster.renewyo |
Analysis
Hierarchy
courtzero.com is the parent of mail.courtzero.com.
IP Addresses
courtzero.com resolves to a single IP address: 52.223.13.41.
Other host names including tips-golf.com, 244-170.dynamic.tttmaxnet.com, 123.51-116.dynamic.tttmaxnet.com, gtwdesign.com and solesano.com share IP numbers with courtzero.com.
Name Servers
courtzero.com's delegation uses two name servers, ns1.renewyourname.net and ns2.renewyourname.net.
courtzero.com shares the same name server setup as other domains, for example ttisii.com, nex-online.com, cutz.biz, preezt.com and imagidex.com.
Host names with two IPs:
ns1.renewyourname.net points to: 2604:4000:0:d:64:99:97:38 and 64.99.97.38
ns2.renewyourname.net points to: 2604:4000:2800:d:64:99:148:18 and 64.98.148.18