2ndcourse.com - robtex.com
2ndcourse.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 43.156.123.213🇸🇬 TENCENT-NET-AP-CN43.156.64.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES | ||||||
| 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 | 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 | 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 | ||||||
| TXT | afternic-verification-eNeNAyeEWToTdJJ5SLahu6 | ||||||
| TXT | 34800824127dc60f86f046e14059b1d9708b1ed6 | ||||||
| TXT | 047fd648-cc52-431b-a593-19112a2f9204 | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1777015450 | ||||||
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=1777082726 | ||||||
Subdomains
www.2ndcourse.com |
Same first word
2ndcourse.com |
Similar names
DNS History
8 records (5 active, 3 former)
○NSdns17.hichina.com2026-04-03 → 2026-04-25 · 2 obs
○ 2026-04-25 02:22:46
○NSdns18.hichina.com2026-04-03 → 2026-04-25 · 2 obs
○ 2026-04-25 02:22:46
●NSns1.julydns.com2026-04-03 → 2026-04-25 · 2 obs
● 2026-04-25 02:22:46
●NSns2.julydns.com2026-04-03 → 2026-04-25 · 2 obs
● 2026-04-25 02:22:46
●A43.156.123.2132026-04-03 → 2026-04-25 · 2 obs
● 2026-04-25 02:22:46
○CNAMEexpired.hichina.com2026-04-03 → 2026-04-25 · 2 obs
○ 2026-04-25 02:22:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, e.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net... | - |
| 2ndcourse.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 2ndcourse.com (unsigned zone)
⏱️ Timing
Total: 1197ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 43.156.123.213 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| TXT | 3 | afternic-verification-eNeNAyeEWToTdJJ5SL, 34800824127dc60f86f046e14059b1d9708b1ed6... |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.judns.com, ns2.judns.com)
Analysis
Hierarchy
The parent of www.2ndcourse.com is 2ndcourse.com.
IP Addresses
2ndcourse.com points to a single IP address: 43.156.123.213.
Other host names such as heijike.com, skseoservices.com, grampost24.com, lapizachat.com and sdchp.com share IPs with 2ndcourse.com.
Name Servers
2ndcourse.com is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
2ndcourse.com at least partially shares name servers with other domains, for example 9hu9.cn, ytlvwan.com, 943job.com, wlita.com and urhelper365.com.
ns1.judns.com points to 162.159.27.251
ns2.judns.com points to 162.159.27.251
ns1.julydns.com points to 162.159.48.223
ns2.julydns.com points to 162.159.48.223
ns1.judns.com and ns2.judns.com point to 162.159.27.251
ns1.julydns.com and ns2.julydns.com point to 162.159.48.223