groundwork.ch - dns.ninja

`groundwork.ch`

DNSSEC	⚠️ Not signed
A	91.195.241.232^{🇩🇪 SEDO91.195.240.0/23 -NET-PI}
NS	`sl1.sedo.com` ⭐
		A	91.195.240.173^{🇩🇪 SEDO91.195.240.0/23 -NET-PI}
NS	`sl2.sedo.com`
		A	91.195.241.173^{🇩🇪 SEDO91.195.240.0/23 -NET-PI}
MX	`localhost` ⭐
TXT	`v=spf1 -all`
SOA	`sl1.sedo.com`hostmaster@sedo.de 2018-05-16 #1

`ch`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.ch` ⭐
	NS	`b.nic.ch`
	NS	`d.nic.ch`
	NS	`e.nic.ch`
	NS	`f.nic.ch`
	SOA	`a.nic.ch`dns-operation@switch.ch 2026-07-27 #42

Same first word

Similar names

workground.jp

workground.ru

workground.net

workground.com

DNS History

7 records (4 active, 3 former)

○NSns1.realstuff.ch2015-08-06 → 2016-12-26 · 4 obs

● 2015-08-06 14:24:32
● 2016-12-26 05:13:32
○ 2026-04-15 04:25:34
○ 2026-07-27 19:51:38

○NSns2.realstuff.ch2015-08-06 → 2016-12-26 · 4 obs

● 2015-08-06 14:24:32
● 2016-12-26 05:13:32
○ 2026-04-15 04:25:34
○ 2026-07-27 19:51:38

●NSsl1.sedo.com2026-04-15 → 2026-07-27 · 3 obs

○ 2016-12-26 05:13:32
● 2026-04-15 04:25:34
● 2026-07-27 19:51:38

●NSsl2.sedo.com2026-04-15 → 2026-07-27 · 3 obs

○ 2016-12-26 05:13:32
● 2026-04-15 04:25:34
● 2026-07-27 19:51:38

●MXlocalhost2026-04-15 → 2026-07-27 · 2 obs

● 2026-04-15 04:25:34
● 2026-07-27 19:51:38

○A212.103.70.1212015-08-06 → 2016-12-26 · 4 obs

● 2015-08-06 14:24:32
● 2016-12-26 05:13:32
○ 2026-04-15 04:25:34
○ 2026-07-27 19:51:38

●A91.195.241.2322026-04-15 → 2026-07-27 · 3 obs

○ 2016-12-26 05:13:32
● 2026-04-15 04:25:34
● 2026-07-27 19:51:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
groundwork.ch	sl2.sedo.com, sl1.sedo.com	-

✅ Authoritative Response

Server:91.195.240.173

NS records: sl2.sedo.com, sl1.sedo.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for groundwork.ch (unsigned zone)

⏱️ Timing

Total: 585ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.195.241.232`
NS	2	`sl1.sedo.com, sl2.sedo.com`
MX	1	`localhost (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`sl1.sedo.com hostmaster.sedo.de`

Analysis

IP Addresses

groundwork.ch directs to one IP number, which is 91.195.241.232.

Among the host names that share IP numbers with groundwork.ch are xexe.eu, mail.app-developer.eu, stille-welt.de and two others.

Name Servers

Two name servers handle the delegation for groundwork.ch: sl1.sedo.com and sl2.sedo.com.

groundwork.ch has the same name server delegation as a number of other domains, such as beleggen.amsterdam, francou.de, wetland.eu and two more.

sl1.sedo.com → 91.195.240.173 and sl2.sedo.com → 91.195.241.173: one IP number per host name.

Mail Servers

groundwork.ch routes its mail through a single mail server, localhost.

groundwork.ch has the same mail server arrangement as a number of other domains, for example abcnews.cheapfares.co.za, webdesignsite.de, www.neumuehler-sv.foren-city.de and two more.