admin.iserve4u.ch - robtex.com

admin.iserve4u.ch

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:abb1🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::6815:2fac🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.47.172Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.171.177🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.47.172, 172.67.171.177
IPv6 hints2606:4700:3030::ac43:abb1, 2606:4700:3032::6815:2fac
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=185, name=cloudflare-ech.com

iserve4u.ch

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:abb1🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::6815:2fac🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.47.172Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.171.177🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbryce.ns.cloudflare.com ⭐
NSjen.ns.cloudflare.com
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXalt3.aspmx.l.google.com(10)
MXalt4.aspmx.l.google.com(10)
TXTv=spf1 include:_spf.google.com include:_spf.odoo.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.47.172, 172.67.171.177
IPv6 hints2606:4700:3030::ac43:abb1, 2606:4700:3032::6815:2fac
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=185, name=cloudflare-ech.com
SOAbryce.ns.cloudflare.comdns@cloudflare.com serial=2399151203

Same first word

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DNS History

11 records (4 active, 7 former)

20162017201820192020202120222023202420252026A104.21.47.172172.67.171.1772606:4700:3030::ac43:abb12606:4700:3032::6815:2fac172.64.80.1188.114.96.0188.114.97.02606:4700:130:436c:6f75:6466:6c61:72652a06:98c1:3120::2a06:98c1:3121::94.126.22.200
●A104.21.47.1722026-02-27 → 2026-04-13 · 7 obs
○ 2016-04-23 13:25:14
● 2026-02-27 15:55:50
○ 2026-03-02 03:42:06
● 2026-03-08 02:18:40
○ 2026-03-10 05:21:54
● 2026-04-04 20:17:38
● 2026-04-13 04:58:22
○A172.64.80.12026-03-10 → 2026-03-10 · 4 obs
○ 2026-03-08 02:18:40
● 2026-03-10 05:21:54
○ 2026-04-04 20:17:38
○ 2026-04-13 04:58:22
●A172.67.171.1772026-02-27 → 2026-04-13 · 7 obs
○ 2016-04-23 13:25:14
● 2026-02-27 15:55:50
○ 2026-03-02 03:42:06
● 2026-03-08 02:18:40
○ 2026-03-10 05:21:54
● 2026-04-04 20:17:38
● 2026-04-13 04:58:22
○A188.114.96.02026-03-02 → 2026-03-02 · 4 obs
○ 2026-02-27 15:55:50
● 2026-03-02 03:42:06
○ 2026-03-08 02:18:40
○ 2026-04-13 04:58:22
○A188.114.97.02026-03-02 → 2026-03-02 · 4 obs
○ 2026-02-27 15:55:50
● 2026-03-02 03:42:06
○ 2026-03-08 02:18:40
○ 2026-04-13 04:58:22
○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-10 → 2026-03-10 · 4 obs
○ 2026-03-08 02:18:40
● 2026-03-10 05:21:54
○ 2026-04-04 20:17:38
○ 2026-04-13 04:58:22
●A2606:4700:3030::ac43:abb12026-02-27 → 2026-04-13 · 7 obs
○ 2016-04-23 13:25:14
● 2026-02-27 15:55:50
○ 2026-03-02 03:42:06
● 2026-03-08 02:18:40
○ 2026-03-10 05:21:54
● 2026-04-04 20:17:38
● 2026-04-13 04:58:22
●A2606:4700:3032::6815:2fac2026-02-27 → 2026-04-13 · 7 obs
○ 2016-04-23 13:25:14
● 2026-02-27 15:55:50
○ 2026-03-02 03:42:06
● 2026-03-08 02:18:40
○ 2026-03-10 05:21:54
● 2026-04-04 20:17:38
● 2026-04-13 04:58:22
○A2a06:98c1:3120::2026-03-02 → 2026-03-02 · 4 obs
○ 2026-02-27 15:55:50
● 2026-03-02 03:42:06
○ 2026-03-08 02:18:40
○ 2026-04-13 04:58:22
○A2a06:98c1:3121::2026-03-02 → 2026-03-02 · 4 obs
○ 2026-02-27 15:55:50
● 2026-03-02 03:42:06
○ 2026-03-08 02:18:40
○ 2026-04-13 04:58:22
○A94.126.22.2002015-06-09 → 2016-04-23 · 4 obs
● 2015-06-09 21:48:36
● 2016-04-23 13:25:14
○ 2026-02-27 15:55:50
○ 2026-04-13 04:58:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
chf.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...-
iserve4u.chjen.ns.cloudflare.com, bryce.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.137

NS records: jen.ns.cloudflare.com, bryce.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for iserve4u.ch (unsigned zone)

⏱️ Timing

Total: 646ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.47.172, 172.67.171.177
AAAA22606:4700:3032::6815:2fac, 2606:4700:3030::ac43:abb1
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

admin.iserve4u.ch maps to four IP numbers: 2606:4700:3030::ac43:abb1, 2606:4700:3032::6815:2fac, 104.21.47.172 and 172.67.171.177.

Other host names such as supremespinworld.com, kur-ia.com, bootlegbatard.com, cj-interiors.com and 1nighters.com share IPs with admin.iserve4u.ch.