intergrund.ch - robtex.com

intergrund.ch

DNSSEC⚠️ Not signed
A51.96.35.205🇨🇭 Amazon51.96.0.0/16 EC2 ZRH prefix
PTRvenus.ctekag.ch
NS4.ctekns.ch
A2600:9000:5305:db00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1499.awsdns-59.org
A205.251.197.219🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1499.awsdns-59.org
NS1.ctekns.ch
A2600:9000:5302:2b00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-555.awsdns-05.net
A205.251.194.43🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-555.awsdns-05.net
NS2.ctekns.ch
A2600:9000:5306:a900::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront
PTRns-1705.awsdns-21.co.uk
A205.251.198.169🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1705.awsdns-21.co.uk
NS3.ctekns.ch
A2600:9000:5301:300::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront
PTRns-259.awsdns-32.com
A205.251.193.3🇺🇸 Amazon205.251.193.0/24 prefix
PTRns-259.awsdns-32.com
MXintergrund-ch.mail.protection.outlook.com
A2a01:111:f403:ca3c::🇨🇭 Microsoft2a01:111:f000::/36
PTRmail-zrap278cu00300.inbound.protection.outlook.com
A2a01:111:f403:ca3c::1🇨🇭 Microsoft2a01:111:f000::/36
PTRmail-zrzp278cu00201.inbound.protection.outlook.com
A2a01:111:f403:ca3c::2🇨🇭 Microsoft2a01:111:f000::/36
PTRmail-zr1p278cu00202.inbound.protection.outlook.com
A2a01:111:f403:ca3e::1🇨🇭 Microsoft2a01:111:f000::/36
PTRmail-gvap278cu00301.inbound.protection.outlook.com
A52.101.185.12🇨🇭 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-zrap278cu00304.inbound.protection.outlook.com
A52.101.185.13🇨🇭 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-zrzp278cu00205.inbound.protection.outlook.com
A52.101.185.14🇨🇭 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-zr1p278cu00206.inbound.protection.outlook.com
A52.101.187.1🇨🇭 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-gvap278cu00301.inbound.protection.outlook.com
TXTsophos-domain-verification=ac307cfd7e298dad0ecfeec6f4f0cd32c27ad2446aa9840999...
TXTv=spf1 include:_spf.sui-inter.net include:spf.protection.outlook.com -all
SOA4.ctekns.chhostmaster@ctekns.ch 2026-07-16 #1

ch

DNSSEC🔒 Signed (DS record present)
NSa.nic.ch
NSb.nic.ch
NSd.nic.ch
NSe.nic.ch
NSf.nic.ch
SOAa.nic.chdns-operation@switch.ch 2026-08-06 #45

Same first word

Similar names

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NS1.ctekns.ch2.ctekns.ch3.ctekns.ch4.ctekns.chns.ch-meta.netns2.ch-meta.netns3.ch-meta.netMXintergrund-ch.mail.protection.outlook.commail1.intergrund.chA51.96.35.20580.74.158.100
NS1.ctekns.ch2026-04-09 → 2026-08-06 · 3 obs
○ 2020-02-25 17:53:08
● 2026-04-09 00:13:56
● 2026-08-06 21:31:02
NS2.ctekns.ch2026-04-09 → 2026-08-06 · 3 obs
○ 2020-02-25 17:53:08
● 2026-04-09 00:13:56
● 2026-08-06 21:31:02
NS3.ctekns.ch2026-04-09 → 2026-08-06 · 3 obs
○ 2020-02-25 17:53:08
● 2026-04-09 00:13:56
● 2026-08-06 21:31:02
NS4.ctekns.ch2026-04-09 → 2026-08-06 · 3 obs
○ 2020-02-25 17:53:08
● 2026-04-09 00:13:56
● 2026-08-06 21:31:02
NSns.ch-meta.net2015-07-02 → 2020-02-25 · 4 obs
● 2015-07-02 11:28:10
● 2020-02-25 17:53:08
○ 2026-04-09 00:13:56
○ 2026-08-06 21:31:02
NSns2.ch-meta.net2015-07-02 → 2020-02-25 · 4 obs
● 2015-07-02 11:28:10
● 2020-02-25 17:53:08
○ 2026-04-09 00:13:56
○ 2026-08-06 21:31:02
NSns3.ch-meta.net2015-07-02 → 2020-02-25 · 4 obs
● 2015-07-02 11:28:10
● 2020-02-25 17:53:08
○ 2026-04-09 00:13:56
○ 2026-08-06 21:31:02
MXintergrund-ch.mail.protection.outlook.com2026-04-09 → 2026-08-06 · 3 obs
○ 2020-02-25 17:53:08
● 2026-04-09 00:13:56
● 2026-08-06 21:31:02
MXmail1.intergrund.ch2015-07-02 → 2020-02-25 · 4 obs
● 2015-07-02 11:28:10
● 2020-02-25 17:53:08
○ 2026-04-09 00:13:56
○ 2026-08-06 21:31:02
A51.96.35.2052026-04-09 → 2026-08-06 · 3 obs
○ 2020-02-25 17:53:08
● 2026-04-09 00:13:56
● 2026-08-06 21:31:02
A80.74.158.1002015-07-02 → 2020-02-25 · 4 obs
● 2015-07-02 11:28:10
● 2020-02-25 17:53:08
○ 2026-04-09 00:13:56
○ 2026-08-06 21:31:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cha.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...-
intergrund.ch3.ctekns.ch, 1.ctekns.ch, 2.ctekns.ch, 4.ctekns.ch8 records

✅ Authoritative Response

Server:205.251.193.3

NS records: 3.ctekns.ch, 1.ctekns.ch, 2.ctekns.ch, 4.ctekns.ch

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for intergrund.ch (unsigned zone)

⏱️ Timing

Total: 499ms | Queries: -

📄 Records

TypeCountSample Data
A151.96.35.205
NS41.ctekns.ch, 2.ctekns.ch...
MX1intergrund-ch.mail.protection.outlook.co
TXT2sophos-domain-verification=ac307cfd7e298, v=spf1 include:_spf.sui-inter.net includ
SOA14.ctekns.ch hostmaster.ctekns.ch

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (4.ctekns.ch, 3.ctekns.ch, 2.ctekns.ch...)

Analysis

IP Addresses

intergrund.ch has exactly one IP address — 51.96.35.205.

soba-inter.com, www.haesler-ag.ch, atlantic-us-cars.ch plus two other host names have IP numbers in common with intergrund.ch.

Name Servers

Four name servers handle the delegation for intergrund.ch: 1.ctekns.ch, 2.ctekns.ch, 3.ctekns.ch and 4.ctekns.ch.

The name servers of intergrund.ch overlap at least partially with those of other domains — among them hagelzentrum.ch, supratrade.ch, fenuta.ch and two more.

These name servers commonly co-occur with the name servers ns1.ctek.ch, ns2.ctek.ch, ns1.netwings.net and ns2.netwings.net.

Each of the four hosts 1.ctekns.ch, 2.ctekns.ch, 3.ctekns.ch and 4.ctekns.ch has two IP addresses. 1.ctekns.ch points to 205.251.194.43 and 2600:9000:5302:2b00::1. 2.ctekns.ch points to 205.251.198.169 and 2600:9000:5306:a900::1. 3.ctekns.ch points to 205.251.193.3 and 2600:9000:5301:300::1. 4.ctekns.ch points to 205.251.197.219 and 2600:9000:5305:db00::1.

Mail Servers

intergrund.ch uses one mail server — intergrund-ch.mail.protection.outlook.com.

intergrund-ch.mail.protection.outlook.com has 8 IP addresses: 52.101.185.12, 52.101.185.13, 52.101.185.14 plus 5 more.