dualstack.ch - dns.ninja

dualstack.ch

DNSSEC🔒 Signed (DS record present)
A2606:4700:3108::ac42:28e8🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3108::ac42:2b18🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.40.232🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.43.24🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdavid.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b98🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdavid.ns.cloudflare.com
A2803:f800:50::6ca2:c198🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdavid.ns.cloudflare.com
A2a06:98c1:50::ac40:2198🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdavid.ns.cloudflare.com
A108.162.193.152🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdavid.ns.cloudflare.com
A172.64.33.152🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdavid.ns.cloudflare.com
A173.245.59.152🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdavid.ns.cloudflare.com
NSlara.ns.cloudflare.com
A2606:4700:50::adf5:3a80🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlara.ns.cloudflare.com
A2803:f800:50::6ca2:c080🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlara.ns.cloudflare.com
A2a06:98c1:50::ac40:2080🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlara.ns.cloudflare.com
A108.162.192.128🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlara.ns.cloudflare.com
A172.64.32.128🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlara.ns.cloudflare.com
A173.245.58.128🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlara.ns.cloudflare.com
MXdualstack-ch.mail.protection.outlook.com ⭐
A2a01:111:f403:ca04::7🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db4pr02cu00307.inbound.protection.outlook.com
A2a01:111:f403:ca04::9🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db7pr03cu00601.inbound.protection.outlook.com
A2a01:111:f403:ca04::f🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db7pr03cu00507.inbound.protection.outlook.com
A2a01:111:f403:ca09::f🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am7pr05cu00307.inbound.protection.outlook.com
A52.101.68.0🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db3pr0202cu00100.inbound.protection.outlook.com
A52.101.68.18🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db4pr02cu00302.inbound.protection.outlook.com
A52.101.73.2🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as9pr07cu00302.inbound.protection.outlook.com
A52.101.73.26🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as9pr05cu01302.inbound.protection.outlook.com
TXTanthropic-domain-verification-dq7mxm=masxyF1Gron1Sz5QuINGnnvBN
TXTatlassian-domain-verification=GgjJ0XL0jRAuBTZ3JwRNpXeGkPtedTnPrYO41lPkNax3kgH...
TXTgoogle-site-verification=Gk_qIMaGrzIc_NFdMeneEJl6KUaAhuEYM3YI_W5tm2Y
TXTms-domain-verification=abbed71f-0c26-4dbd-a89c-b13455dba33d
TXTv=spf1 ip4:212.120.55.18 ip4:46.101.240.180 ip4:46.101.254.162 ip4:46.101.138...
HTTPSHTTP/2 ✓ hints match
IPv4 hints172.66.40.232, 172.66.43.24
IPv6 hints2606:4700:3108::ac42:28e8, 2606:4700:3108::ac42:2b18
SOAdavid.ns.cloudflare.comdns@cloudflare.com serial=2409191491

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 2026-07-12 #41

Subdomains

www.dualstack.ch

Same first word

dualstack.net
dualstack.global.prod.fastly.net
dualstack.com
dualstack.network
dualstack.ch
dualstack.dk
dualstack.de
dualstack.nl
dualstack.us

Similar names

kcusdalta.com

DNS History

12 records (7 active, 5 former)

20192020202120222023202420252026NSdavid.ns.cloudflare.comlara.ns.cloudflare.comns1.digitalocean.comns2.digitalocean.comns3.digitalocean.comMXdualstack-ch.mail.protection.outlook.comA172.66.40.232172.66.43.242606:4700:3108::ac42:28e82606:4700:3108::ac42:2b18188.166.23.1592a03:b0c0:2:d0::1205:4001
●NSdavid.ns.cloudflare.com2021-09-26 → 2026-07-12 · 3 obs
○ 2018-08-18 17:38:56
● 2021-09-26 13:56:38
● 2026-07-12 19:09:42
●NSlara.ns.cloudflare.com2021-09-26 → 2026-07-12 · 3 obs
○ 2018-08-18 17:38:56
● 2021-09-26 13:56:38
● 2026-07-12 19:09:42
○NSns1.digitalocean.com2018-08-18 → 2018-08-18 · 3 obs
● 2018-08-18 17:38:56
○ 2021-09-26 13:56:38
○ 2026-07-12 19:09:42
○NSns2.digitalocean.com2018-08-18 → 2018-08-18 · 3 obs
● 2018-08-18 17:38:56
○ 2021-09-26 13:56:38
○ 2026-07-12 19:09:42
○NSns3.digitalocean.com2018-08-18 → 2018-08-18 · 3 obs
● 2018-08-18 17:38:56
○ 2021-09-26 13:56:38
○ 2026-07-12 19:09:42
●MXdualstack-ch.mail.protection.outlook.com2018-08-18 → 2026-07-12 · 2 obs
● 2018-08-18 17:38:56
● 2026-07-12 19:09:42
●A172.66.40.2322021-09-26 → 2026-07-12 · 3 obs
○ 2018-08-18 17:38:56
● 2021-09-26 13:56:38
● 2026-07-12 19:09:42
●A172.66.43.242021-09-26 → 2026-07-12 · 3 obs
○ 2018-08-18 17:38:56
● 2021-09-26 13:56:38
● 2026-07-12 19:09:42
○A188.166.23.1592018-08-18 → 2018-08-18 · 3 obs
● 2018-08-18 17:38:56
○ 2021-09-26 13:56:38
○ 2026-07-12 19:09:42
●A2606:4700:3108::ac42:28e82021-09-26 → 2026-07-12 · 3 obs
○ 2018-08-18 17:38:56
● 2021-09-26 13:56:38
● 2026-07-12 19:09:42
●A2606:4700:3108::ac42:2b182021-09-26 → 2026-07-12 · 3 obs
○ 2018-08-18 17:38:56
● 2021-09-26 13:56:38
● 2026-07-12 19:09:42
○A2a03:b0c0:2:d0::1205:40012018-08-18 → 2018-08-18 · 3 obs
● 2018-08-18 17:38:56
○ 2021-09-26 13:56:38
○ 2026-07-12 19:09:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cha.nic.ch, f.nic.ch, d.nic.ch, b.nic.ch...-
dualstack.chlara.ns.cloudflare.com, david.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.152

NS records: lara.ns.cloudflare.com, david.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 550ms | Queries: -

📄 Records

TypeCountSample Data
A2172.66.40.232, 172.66.43.24
AAAA22606:4700:3108::ac42:28e8, 2606:4700:3108::ac42:2b18
NS2david.ns.cloudflare.com, lara.ns.cloudflare.com
MX1dualstack-ch.mail.protection.outlook.com
TXT5anthropic-domain-verification-dq7mxm=mas, atlassian-domain-verification=GgjJ0XL0jR...
HTTPS1{"priority":1,"target":".","alpn":["h2"]
SOA1david.ns.cloudflare.com dns.cloudflare.c

Analysis

Hierarchy

www.dualstack.ch is a subdomain of dualstack.ch.

IP Addresses

dualstack.ch directs to four IP numbers, which are 172.66.40.232, 172.66.43.24, 2606:4700:3108::ac42:28e8 and 2606:4700:3108::ac42:2b18.

a17-250-248-150.peteradebolujozyn7xxkh.contra.com, www.diffi.co, images.phillypublishing.com and two other host names share IP numbers with dualstack.ch.

Name Servers

dualstack.ch is served by two delegated name servers, david.ns.cloudflare.com and lara.ns.cloudflare.com.

dualstack.ch uses the same name servers as several other domains — among them peerage.co, facturagratis.com.ar, tidbits-marci.com and two more.

The name servers of dualstack.ch overlap at least partially with those of other domains — among them triptongo.biz, ten11bet-pay.com, sellerbot.com and two more.

The name servers keira.ns.cloudflare.com, rob.ns.cloudflare.com and arya.ns.cloudflare.com are commonly seen alongside these name servers.

Hostnames that resolve to 6 IP addresses:

david.ns.cloudflare.com carries IP addresses 108.162.193.152, 172.64.33.152 and 173.245.59.152, with 3 other addresses beyond those.

lara.ns.cloudflare.com carries IP addresses 108.162.192.128, 172.64.32.128 and 173.245.58.128, with 3 other addresses beyond those.

Mail Servers

Mail for dualstack.ch is handled by a single mail server, dualstack-ch.mail.protection.outlook.com.

dualstack-ch.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.68.0, 52.101.68.18, 52.101.73.2 and 5 others.