`systemverilog.tw`

DNSSEC	⚠️ Not signed
A	149.117.73.34^{🇺🇸 AS397635149.117.73.0/24}
		PTR	`arc-v.ai`
		PTR	`synopsys-armenia.am`
		PTR	`synopsysarmenia.am`
		PTR	`atpg.com`
		PTR	`bistel.com`
		PTR	`code-dx.com`
		PTR	`codenomicon.com`
		PTR	`concertio.com`
		PTR	`dorado-da.com`
		PTR	`fishtail-da.com`
		PTR	`imperas.com`
		PTR	`lightscatt.com`
		PTR	`minidiff.com`
		PTR	`mperas.com`
		PTR	`qtronic.com`
		PTR	`quantumatk.com`
		PTR	`quantumwise.com`
		PTR	`root-of-trust.com`
		PTR	`softwareintegrity.com`
		PTR	`sram-puf.com`
		PTR	`qtronic.de`
		PTR	`synopsys.de`
		PTR	`valtrix.in`
		PTR	`issre.org`
		PTR	`www.synopsys-armenia.am`
		PTR	`www.synopsysarmenia.am`
		PTR	`synopsys.com.cn`
		PTR	`lighttec.de.com`
		PTR	`lighttec.eu.com`
		PTR	`www.intrinsic-id.com`
		PTR	`test.lighttec-europe.com`
		PTR	`blogs.piketec.com`
		PTR	`docs.quantumwise.com`
		PTR	`forum.quantumwise.com`
		PTR	`activation.qtronic.de`
		PTR	`resources.qtronic.de`
		PTR	`test2.lighttec.de.com`
NS	`badc-ipam-exdns1.synopsys.com` ⭐
		A	10.192.3.99
NS	`exdns1.synopsys.com`
		A	149.117.1.1^{🇺🇸 AS7809149.117.1.0/24 SYNOPSYS_INDIA_PVT_LTD_OM201609201526162}
			PTR	`exdns1.synopsys.com`
NS	`exdns2.synopsys.com`
		A	149.117.1.2^{🇺🇸 AS7809149.117.1.0/24 SYNOPSYS_INDIA_PVT_LTD_OM201609201526162}
			PTR	`exdns2.synopsys.com`
NS	`exdns3.synopsys.com`
		A	149.117.1.3^{🇺🇸 AS7809149.117.1.0/24 SYNOPSYS_INDIA_PVT_LTD_OM201609201526162}
			PTR	`exdns3.synopsys.com`
NS	`exdns4.synopsys.com`
		A	149.117.1.4^{🇺🇸 AS7809149.117.1.0/24 SYNOPSYS_INDIA_PVT_LTD_OM201609201526162}
			PTR	`exdns4.synopsys.com`
TXT	`v=spf1 -all`
TXT	`Administrative domain only - refer to synopsys.com`
SOA	`badc-ipam-exdns1.synopsys.com`hmaster@synopsys.com serial=1282779292

`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.tw`snw@twnic.net.tw serial=2011017155

Same first word

systemverilog.io

systemverilog.com

systemverilog.co.il

systemverilog.in

systemverilog.ch

systemverilog.org

systemverilog.tw

systemverilog.info

systemverilog.ru

systemverilog.fr

systemverilog.biz

systemverilog.us

DNS History

6 records (6 active, 0 former)

●NSbadc-ipam-exdns1.synopsys.com2026-05-19 → 2026-05-30 · 2 obs

● 2026-05-19 20:50:38
● 2026-05-30 13:22:24

●NSexdns1.synopsys.com2026-05-19 → 2026-05-30 · 2 obs

● 2026-05-19 20:50:38
● 2026-05-30 13:22:24

●NSexdns2.synopsys.com2026-05-19 → 2026-05-30 · 2 obs

● 2026-05-19 20:50:38
● 2026-05-30 13:22:24

●NSexdns3.synopsys.com2026-05-19 → 2026-05-30 · 2 obs

● 2026-05-19 20:50:38
● 2026-05-30 13:22:24

●NSexdns4.synopsys.com2026-05-19 → 2026-05-30 · 2 obs

● 2026-05-19 20:50:38
● 2026-05-30 13:22:24

●A149.117.73.342026-05-19 → 2026-05-30 · 2 obs

● 2026-05-19 20:50:38
● 2026-05-30 13:22:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tw	d.dns.tw, c.dns.tw, b.dns.tw, g.dns.tw...	-
systemverilog.tw	exdns1.synopsys.com, exdns2.synopsys.com, exdns3.synopsys.com, exdns4.synopsys.com	-

✅ Authoritative Response

Server:149.117.1.4

NS records: exdns1.synopsys.com, exdns2.synopsys.com, exdns3.synopsys.com, exdns4.synopsys.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for systemverilog.tw (unsigned zone)

⏱️ Timing

Total: 2062ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`149.117.73.34`
NS	4	`exdns4.synopsys.com, exdns2.synopsys.com...`
TXT	2	`v=spf1 -all, Administrative domain only - refer to sy`
SOA	1	`badc-ipam-exdns1.synopsys.com hmaster.sy`

Analysis

IP Addresses

systemverilog.tw resolves to one IP address: 149.117.73.34.

buy.synopsis.com, cadabratech.com, coware.be and two other host names share IP numbers with systemverilog.tw.

Name Servers

systemverilog.tw has 5 name servers handling its delegation — badc-ipam-exdns1.synopsys.com, exdns1.synopsys.com, exdns2.synopsys.com plus two more.

The name servers of systemverilog.tw overlap at least partially with those of other domains — among them diakopto.com, xynetix.com, emitconsortium.com and two more.

These name servers commonly appear alongside the name servers exdns3.synopsys.com and exdns4.synopsys.com.

Host names with one IP number:

badc-ipam-exdns1.synopsys.com resolves to the IP address 10.192.3.99.

exdns1.synopsys.com resolves to the IP address 149.117.1.1.

exdns2.synopsys.com resolves to the IP address 149.117.1.2.

exdns3.synopsys.com resolves to the IP address 149.117.1.3.

exdns4.synopsys.com resolves to the IP address 149.117.1.4.

systemverilog.tw - robtex.com