`keystone-sda.ch`

DNSSEC	⚠️ Not signed
A	80.74.150.110^{🇨🇭 ASN-METANET80.74.144.0/20 METANET AG, Switzerland}
		PTR	`hobo.sui-inter.net`
NS	`ns1.keystone-sda.ch` ⭐
		A	185.176.236.43^{🇨🇭 SWISSCOM185.176.236.0/22 Keystone-SDA-ATS AG, Switzerland}
			PTR	`ns1.keystone-sda.ch`
NS	`ns2.keystone-sda.ch`
		A	185.176.236.44^{🇨🇭 SWISSCOM185.176.236.0/22 Keystone-SDA-ATS AG, Switzerland}
			PTR	`ns2.keystone-sda.ch`
MX	`mail1.keystone-sda.ch` ⭐
		A	91.220.99.52^{🇨🇭 SWISSCOM91.220.99.0/24 Keystone-SDA-ATS AG, Switzerland}
			PTR	`mail1.keystone-sda.ch`
MX	`mail2.keystone-sda.ch` ⭐
		A	91.220.99.53^{🇨🇭 SWISSCOM91.220.99.0/24 Keystone-SDA-ATS AG, Switzerland}
			PTR	`mail2.keystone-sda.ch`
TXT	`MS=ms61484856`
TXT	`google-site-verification=FmBiDX3DJLS77LMXBpudZ8QruNJy0WL6JylYWwEIbdk`
TXT	`apple-domain-verification=QJNwfdtapkKHVERo`
TXT	`google-site-verification=DXkgvcUQL_7fX8BNQbRny6FGc-1cMgOkoT-a7V-bwOE`
TXT	`atlassian-domain-verification=5PwlaEeslPR7Mn5fAUFBNSdTp33KmODSKlKVNpZac1qxYFa...`
TXT	`v=spf1 ip4:91.220.99.10/32 ip4:91.234.160.149/32 ip4:80.74.129.184/32 ip4:91....`
TXT	`pardot827543=1b35510fcee97d7b3fcc3b0526dcf6f6ece81fed493622fc66ded7a219aa8b28`
SOA	`ns1.keystone-sda.ch`hostmaster@keystone-sda.ch 2026-04-17 #0

`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 2026-04-24 #27

rank #581559 globally
rank #2127 in the tld
WOT: SAFE (72/100)
📈 Tranco rank: #227,298

Subdomains

ns2.keystone-sda.ch

mail2.keystone-sda.ch

sftd.keystone-sda.ch

ns1.keystone-sda.ch

www.keystone-sda.ch

visual.keystone-sda.ch

mail1.keystone-sda.ch

Same first word

keystone-sda.ch

DNS History

7 records (5 active, 2 former)

●NSns1.keystone-sda.ch2026-03-12 → 2026-04-24 · 3 obs

○ 2019-08-31 23:35:42
● 2026-03-12 04:37:36
● 2026-04-24 12:28:54

●NSns2.keystone-sda.ch2026-03-12 → 2026-04-24 · 3 obs

○ 2019-08-31 23:35:42
● 2026-03-12 04:37:36
● 2026-04-24 12:28:54

○NSnsa1.nts.ch2018-10-16 → 2019-08-31 · 4 obs

● 2018-10-16 23:57:32
● 2019-08-31 23:35:42
○ 2026-03-12 04:37:36
○ 2026-04-24 12:28:54

○NSnsa2.nts.ch2018-10-16 → 2019-08-31 · 4 obs

● 2018-10-16 23:57:32
● 2019-08-31 23:35:42
○ 2026-03-12 04:37:36
○ 2026-04-24 12:28:54

●MXmail1.keystone-sda.ch2018-10-16 → 2026-04-24 · 2 obs

● 2018-10-16 23:57:32
● 2026-04-24 12:28:54

●MXmail2.keystone-sda.ch2018-10-16 → 2026-04-24 · 2 obs

● 2018-10-16 23:57:32
● 2026-04-24 12:28:54

●A80.74.150.1102026-03-12 → 2026-04-24 · 2 obs

● 2026-03-12 04:37:36
● 2026-04-24 12:28:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
keystone-sda.ch	ns1.keystone-sda.ch, ns2.keystone-sda.ch	2 records

✅ Authoritative Response

Server:185.176.236.43

NS records: ns1.keystone-sda.ch, ns2.keystone-sda.ch

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for keystone-sda.ch (unsigned zone)

⏱️ Timing

Total: 533ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`80.74.150.110`
NS	2	`ns1.keystone-sda.ch, ns2.keystone-sda.ch`
MX	2	`mail2.keystone-sda.ch (pri: 10), mail1.keystone-sda.ch (pri: 10)`
TXT	7	`pardot827543=1b35510fcee97d7b3fcc3b0526d, v=spf1 ip4:91.220.99.10/32 ip4:91.234.16...`
SOA	1	`ns1.keystone-sda.ch hostmaster.keystone-`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns1.keystone-sda.ch, ns2.keystone-sda.ch)

Analysis

Hierarchy

keystone-sda.ch is the parent of ns2.keystone-sda.ch, mail2.keystone-sda.ch, sftd.keystone-sda.ch, ns1.keystone-sda.ch, www.keystone-sda.ch and a few other host names.

IP Addresses

keystone-sda.ch points to an IP address: 80.74.150.110.

other host names include www.edulingo.ch, mail.inkomed.ch, happyhorse.ch, www.lichtprodukte.ch and xeloba.ch; they share IP numbers with keystone-sda.ch.

Name Servers

Two name servers ns1.keystone-sda.ch and ns2.keystone-sda.ch handle the delegation for keystone-sda.ch.

keystone-sda.ch shares the same name server setup as other domains, for instance keystone-ats.ch, ats-informatique.ch, sportinformation.ch, sda-ats.ch and newsphoto.ch.

Host names with one IP:

ns1.keystone-sda.ch points to: 185.176.236.43

ns2.keystone-sda.ch points to: 185.176.236.44

Mail Servers

keystone-sda.ch is handled by two mail servers: mail1.keystone-sda.ch and mail2.keystone-sda.ch.

The mail server setup for keystone-sda.ch is the same as for other domains, such as keystone.ch.