synopsys.tw - robtex.com
synopsys.tw
tw
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.tw ⭐ | ||||||
| NS | anytld.apnic.net ⚠️ Not in parent delegation | ||||||
| NS | b.dns.tw | ||||||
| NS | c.dns.tw | ||||||
| NS | d.dns.tw | ||||||
| NS | e.dns.tw | ||||||
| NS | f.dns.tw | ||||||
| NS | g.dns.tw | ||||||
| NS | h.dns.tw | ||||||
| SOA | a.dns.twsnw@twnic.net.tw serial=2011016719 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSbadc-ipam-exdns1.synopsys.com2026-05-19 → 2026-05-28 · 2 obs
● 2026-05-28 17:00:58
●NSexdns1.synopsys.com2026-05-19 → 2026-05-28 · 2 obs
● 2026-05-28 17:00:58
●NSexdns2.synopsys.com2026-05-19 → 2026-05-28 · 2 obs
● 2026-05-28 17:00:58
●NSexdns3.synopsys.com2026-05-19 → 2026-05-28 · 2 obs
● 2026-05-28 17:00:58
●NSexdns4.synopsys.com2026-05-19 → 2026-05-28 · 2 obs
● 2026-05-28 17:00:58
●A149.117.73.342026-05-19 → 2026-05-28 · 2 obs
● 2026-05-28 17:00:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | c.dns.tw, g.dns.tw, anytld.apnic.net, a.dns.tw... | 16 records |
| synopsys.tw | exdns4.synopsys.com, exdns2.synopsys.com, exdns1.synopsys.com, exdns3.synopsys.com | - |
✅ Authoritative Response
Server:149.117.1.3
NS records: exdns4.synopsys.com, exdns2.synopsys.com, exdns1.synopsys.com, exdns3.synopsys.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for synopsys.tw (unsigned zone)
⏱️ Timing
Total: 915ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 149.117.73.34 |
| NS | 4 | exdns3.synopsys.com, exdns4.synopsys.com... |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | badc-ipam-exdns1.synopsys.com hmaster.sy |
📌 Glue Records Collected
Total: 16
In-bailiwick: 14 (h.dns.tw, g.dns.tw, f.dns.tw...)
Out-of-bailiwick: 2 (anytld.apnic.net, anytld.apnic.net)
Analysis
IP Addresses
synopsys.tw resolves to just one IP address, 149.117.73.34.
Two other host names, along with siliconandbeyond.com, xynetix.com and openlps.org, also share IP numbers with synopsys.tw.
Name Servers
synopsys.tw is delegated to 5 name servers: badc-ipam-exdns1.synopsys.com, exdns1.synopsys.com, exdns2.synopsys.com and two others.
synopsys.tw shares at least some of its name servers with other domains, including dorado-da.com, magmawire.com, qtronic.com.cn and two others.
These name servers are frequently paired with the name servers exdns3.synopsys.com and exdns4.synopsys.com.
Host names with one IP number:
badc-ipam-exdns1.synopsys.com points to the IP address 10.192.3.99.
exdns1.synopsys.com points to the IP address 149.117.1.1.
exdns2.synopsys.com points to the IP address 149.117.1.2.
exdns3.synopsys.com points to the IP address 149.117.1.3.
exdns4.synopsys.com points to the IP address 149.117.1.4.