switch1.umm.nl - robtex.com

switch1.umm.nl

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:8cc6🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:26ea🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.38.234Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.140.198🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.38.234, 172.67.140.198
IPv62606:4700:3035::ac43:8cc6, 2606:4700:3037::6815:26ea

umm.nl

DNSSEC🔒 Signed (DS record present)
A2606:4700:3035::ac43:8cc6🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:26ea🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.38.234Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.140.198🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkeira.ns.cloudflare.com ⭐
NSmargo.ns.cloudflare.com
MXumm-nl.mail.protection.outlook.com ⭐
TXTv=spf1 include:spf.protection.outlook.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.38.234, 172.67.140.198
IPv62606:4700:3035::ac43:8cc6, 2606:4700:3037::6815:26ea
SOAkeira.ns.cloudflare.comdns@cloudflare.com serial=2399781996

Same first word

switch1.jp

DNS History

9 records (4 active, 5 former)

20162017201820192020202120222023202420252026A104.21.38.234172.67.140.1982606:4700:3035::ac43:8cc62606:4700:3037::6815:26ea149.210.168.246149.210.196.39172.64.80.12606:4700:130:436c:6f75:6466:6c61:72652a01:7c8:aab3:359::1
●A104.21.38.2342026-03-11 → 2026-03-24 · 3 obs
○ 2021-04-04 19:49:46
● 2026-03-11 21:08:38
● 2026-03-24 14:58:44
○A149.210.168.2462015-07-02 → 2016-04-12 · 4 obs
● 2015-07-02 04:46:30
● 2016-04-12 07:53:08
○ 2020-02-03 11:51:18
○ 2026-03-24 14:58:44
○A149.210.196.392020-02-03 → 2021-04-04 · 5 obs
○ 2016-04-12 07:53:08
● 2020-02-03 11:51:18
● 2021-04-04 19:49:46
○ 2026-03-11 21:08:38
○ 2026-03-24 14:58:44
○A172.64.80.12026-03-11 → 2026-03-24 · 2 obs
○ 2026-03-11 21:08:38
○ 2026-03-24 14:58:44
●A172.67.140.1982026-03-11 → 2026-03-24 · 3 obs
○ 2021-04-04 19:49:46
● 2026-03-11 21:08:38
● 2026-03-24 14:58:44
○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-11 → 2026-03-24 · 2 obs
○ 2026-03-11 21:08:38
○ 2026-03-24 14:58:44
●A2606:4700:3035::ac43:8cc62026-03-11 → 2026-03-24 · 3 obs
○ 2021-04-04 19:49:46
● 2026-03-11 21:08:38
● 2026-03-24 14:58:44
●A2606:4700:3037::6815:26ea2026-03-11 → 2026-03-24 · 3 obs
○ 2021-04-04 19:49:46
● 2026-03-11 21:08:38
● 2026-03-24 14:58:44
○A2a01:7c8:aab3:359::12015-07-02 → 2016-04-12 · 4 obs
● 2015-07-02 04:46:30
● 2016-04-12 07:53:08
○ 2020-02-03 11:51:18
○ 2026-03-24 14:58:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
umm.nlkeira.ns.cloudflare.com, margo.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.144

NS records: keira.ns.cloudflare.com, margo.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 242ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.38.234, 172.67.140.198
AAAA22606:4700:3037::6815:26ea, 2606:4700:3035::ac43:8cc6
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

switch1.umm.nl points to four IP numbers: 2606:4700:3035::ac43:8cc6, 2606:4700:3037::6815:26ea, 104.21.38.234 and 172.67.140.198.

For instance, other host names arcadedice.pt, vpinstruments.ru, graduatez.com, vasifoci.hu and clearclubstation.com share IP numbers with switch1.umm.nl.