`siliconfoundry.jp`

DNSSEC	⚠️ Not signed
NS	`extdns1.thesys.de` ⭐
		A	193.201.170.8^{🇩🇪 DTAG193.201.170.0/24 X-Fab Semiconductor Foundries AG}
NS	`extdns2.thesys.de`
		A	195.145.42.5^{🇩🇪 DTAG195.145.0.0/16 Deutsche Telekom AG, Internet service provider}
NS	`pns.dtag.de`
		A	2003:40:8000::100^{🇩🇪 DTAG2003::/19 Deutsche Telekom large PA space}
			PTR	`pns.dtag.de`
		A	194.25.0.125^{🇩🇪 DTAG194.25.0.0/16 Deutsche Telekom AG, Internet service provider}
			PTR	`pns.dtag.de`
NS	`secondary006.dtag.net`
		A	2a00:fa8:3:0:100:0:6:1^{🇩🇪 NETUSE2a00:fa8:3::/48 NSDTAG}
			PTR	`secondary006.dtag.net`
		A	195.244.245.25^{🇩🇪 NETUSE195.244.245.0/24}
			PTR	`secondary006.dtag.net`
SOA	`extdns1.thesys.de`hostmaster@thesys.de 2020-01-20 #66

`jp`

	DNSSEC	🔒 Signed (DS record present)
	NS	`z.dns.jp` ⭐
	NS	`a.dns.jp`
	NS	`b.dns.jp`
	NS	`c.dns.jp`
	NS	`d.dns.jp`
	NS	`e.dns.jp`
	NS	`f.dns.jp`
	NS	`g.dns.jp`
	NS	`h.dns.jp`
	SOA	`z.dns.jp`root@dns.jp serial=1774550703

Previously NS for

siliconfoundry.jp

Same first word

siliconfoundry.com

siliconfoundry.jp

DNS History

11 records (4 active, 7 former)

●NSextdns1.thesys.de2015-08-09 → 2026-03-26 · 2 obs

● 2015-08-09 17:32:32
● 2026-03-26 19:35:04

●NSextdns2.thesys.de2015-08-09 → 2026-03-26 · 2 obs

● 2015-08-09 17:32:32
● 2026-03-26 19:35:04

●NSpns.dtag.de2015-08-09 → 2026-03-26 · 2 obs

● 2015-08-09 17:32:32
● 2026-03-26 19:35:04

●NSsecondary006.dtag.net2015-08-09 → 2026-03-26 · 2 obs

● 2015-08-09 17:32:32
● 2026-03-26 19:35:04

○NSsiliconfoundry.jp2015-08-09 → 2017-03-22 · 4 obs

● 2015-08-09 17:32:32
● 2017-03-22 21:10:48
○ 2020-01-31 15:50:38
○ 2026-03-26 19:35:04

○MXmailgw.thesys.de2015-12-03 → 2017-03-22 · 5 obs

○ 2015-08-09 17:32:32
● 2015-12-03 11:36:06
● 2017-03-22 21:10:48
○ 2020-01-31 15:50:38
○ 2026-03-26 19:35:04

○MXmailgw.xfab.com2015-08-09 → 2020-01-31 · 6 obs

● 2015-08-09 17:32:32
○ 2015-12-03 11:36:06
○ 2017-03-22 21:10:48
● 2020-01-31 15:50:38
○ 2026-02-26 22:28:52
○ 2026-03-26 19:35:04

○MXmailgw2.thesys.de2015-12-03 → 2017-03-22 · 5 obs

○ 2015-08-09 17:32:32
● 2015-12-03 11:36:06
● 2017-03-22 21:10:48
○ 2020-01-31 15:50:38
○ 2026-03-26 19:35:04

○MXmailgw2.xfab.com2020-01-31 → 2020-01-31 · 4 obs

○ 2017-03-22 21:10:48
● 2020-01-31 15:50:38
○ 2026-02-26 22:28:52
○ 2026-03-26 19:35:04

○A193.201.170.1022015-12-03 → 2020-01-31 · 5 obs

○ 2015-08-09 17:32:32
● 2015-12-03 11:36:06
● 2020-01-31 15:50:38
○ 2026-02-26 22:28:52
○ 2026-03-26 19:35:04

○A193.201.170.52015-08-09 → 2015-08-09 · 3 obs

● 2015-08-09 17:32:32
○ 2015-12-03 11:36:06
○ 2026-03-26 19:35:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	e.dns.jp, a.dns.jp, g.dns.jp, c.dns.jp...	-
siliconfoundry.jp	pns.dtag.de, extdns1.thesys.de, extdns2.thesys.de, secondary006.dtag.net	-

✅ Authoritative Response

Server:194.25.0.125

NS records: pns.dtag.de, extdns1.thesys.de, extdns2.thesys.de, secondary006.dtag.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for siliconfoundry.jp (unsigned zone)

⏱️ Timing

Total: 1195ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`extdns1.thesys.de, extdns2.thesys.de...`
SOA	1	`extdns1.thesys.de hostmaster.thesys.de`

Analysis

Name Servers

siliconfoundry.jp is delegated to four name servers: pns.dtag.de, extdns1.thesys.de, extdns2.thesys.de and secondary006.dtag.net.

siliconfoundry.jp shares name servers with other domains at least partially, for instance da-art.de, hjp-leasing.de, 194.153.80.in-addr.arpa, c.e.e.0.0.3.0.0.2.ip6.arpa and buergschafts-portal.de.

these name servers are commonly used with the name servers ns1.telekom.net, secondary007.dtag.net, ns1.vhv.de, ns.pzd-svn.de, s2vg300ns02.pzd-svn.de, s2vg300ns03.pzd-svn.de, ns0.niedersachsen.com, ns2.buhl-data.com, ns.cnuv.de and ns.signal-iduna.de.

Two IP numbers per host:

pns.dtag.de points to 2003:40:8000::100 and 194.25.0.125

secondary006.dtag.net points to 2a00:fa8:3:0:100:0:6:1 and 195.244.245.25

One IP number per host:

extdns1.thesys.de points to 193.201.170.8

extdns2.thesys.de points to 195.145.42.5

siliconfoundry.jp - robtex.com