`tedxcern.ch`

DNSSEC	⚠️ Not signed
NS	`ns51.1and1.com` ⚠️ Not in zone NS records
		A	2607:f1c0:fe:53:185:132:32:30^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1030.ui-dns.de`
		A	185.132.32.30^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1030.ui-dns.de`
NS	`ns52.1and1.com` ⚠️ Not in zone NS records
		A	2607:f1c0:fe:53:185:132:33:29^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns1029.ui-dns.biz`
		A	185.132.33.29^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns1029.ui-dns.biz`

`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 2026-07-17 #23

Same first word

tedxcern.ch

Similar names

crednext.com

dxcenter.com

dxcenter.org.vn

DNS History

7 records (2 active, 5 former)

●NSns51.1and1.com2015-08-17 → 2026-07-17 · 2 obs

● 2015-08-17 11:25:38
● 2026-07-17 09:56:34

●NSns52.1and1.com2015-08-17 → 2026-07-17 · 2 obs

● 2015-08-17 11:25:38
● 2026-07-17 09:56:34

○MXmx00.1and1.com2015-08-17 → 2020-04-06 · 4 obs

● 2015-08-17 11:25:38
● 2020-04-06 03:53:42
○ 2026-04-10 05:17:00
○ 2026-07-17 09:56:34

○MXmx01.1and1.com2015-08-17 → 2020-04-06 · 4 obs

● 2015-08-17 11:25:38
● 2020-04-06 03:53:42
○ 2026-04-10 05:17:00
○ 2026-07-17 09:56:34

○A216.250.120.1112016-07-15 → 2017-03-24 · 5 obs

○ 2016-03-19 23:00:42
● 2016-07-15 22:09:42
● 2017-03-24 19:48:44
○ 2020-04-06 03:53:42
○ 2026-07-17 09:56:34

○A74.208.236.1962020-04-06 → 2020-04-06 · 4 obs

○ 2017-03-24 19:48:44
● 2020-04-06 03:53:42
○ 2026-04-10 05:17:00
○ 2026-07-17 09:56:34

○A74.208.85.2152015-08-17 → 2016-03-19 · 4 obs

● 2015-08-17 11:25:38
● 2016-03-19 23:00:42
○ 2016-07-15 22:09:42
○ 2026-07-17 09:56:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
tedxcern.ch	ns51.1and1.com, ns52.1and1.com	-

✅ Authoritative Response

Server:185.132.32.30

NS records: ns51.1and1.com, ns52.1and1.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tedxcern.ch (unsigned zone)

⏱️ Timing

Total: 398ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

The NS records for tedxcern.ch delegate to ns51.1and1.com and ns52.1and1.com.

tedxcern.ch uses the same name servers as several other domains — among them crusaderpensions.com, independentequityinc.com, kidzarts.com and two more.

The name servers of tedxcern.ch overlap at least partially with those of other domains — among them loquate.tv, sounreal.net, tabatoco.com and two more.

These name servers commonly co-occur with the name servers ns-us.1and1-dns.com, ns-us.1and1-dns.de, ns-us.1and1-dns.org and ns-us.1and1-dns.us.

ns51.1and1.com resolves to 185.132.32.30 and 2607:f1c0:fe:53:185:132:32:30. Likewise, ns52.1and1.com resolves to 185.132.33.29 and 2607:f1c0:fe:53:185:132:33:29 — two IP addresses apiece.

tedxcern.ch - robtex.com

tedxcern.ch

ch