www.sem.com - robtex.com

www.sem.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:b0fa🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:302b🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.48.43Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.176.250🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.48.43, 172.67.176.250
IPv6 hints2606:4700:3032::ac43:b0fa, 2606:4700:3034::6815:302b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=75, name=cloudflare-ech.com

sem.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:b0fa🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:302b🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.48.43Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.176.250🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSingrid.ns.cloudflare.com ⭐
NSlloyd.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=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlfQi84qPtfVerzn...
TXTv=spf1 include:_spf.google.com ~all
TXTv=spf1 ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.48.43, 172.67.176.250
IPv6 hints2606:4700:3032::ac43:b0fa, 2606:4700:3034::6815:302b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=75, name=cloudflare-ech.com
SOAingrid.ns.cloudflare.comdns@cloudflare.com serial=2401911128

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DNS History

8 records (4 active, 4 former)

200920112013201520172019202120232025A104.21.48.43172.67.176.2502606:4700:3032::ac43:b0fa2606:4700:3034::6815:302b205.178.189.129206.188.192.6067.192.77.210CNAMEsem.com
●A104.21.48.432026-02-22 → 2026-04-24 · 3 obs
○ 2017-04-20 15:13:36
● 2026-02-22 05:03:50
● 2026-04-24 22:29:44
●A172.67.176.2502026-02-22 → 2026-04-24 · 3 obs
○ 2017-04-20 15:13:36
● 2026-02-22 05:03:50
● 2026-04-24 22:29:44
○A205.178.189.1292016-04-04 → 2016-09-20 · 5 obs
○ 2015-12-13 00:03:20
● 2016-04-04 02:53:52
● 2016-09-20 07:50:28
○ 2017-04-20 15:13:36
○ 2026-04-24 22:29:44
○A206.188.192.602015-08-19 → 2017-04-20 · 8 obs
○ 2008-11-29 18:39:32
● 2015-08-19 16:59:54
● 2015-12-13 00:03:20
○ 2016-04-04 02:53:52
○ 2016-09-20 07:50:28
● 2017-04-20 15:13:36
○ 2026-02-22 05:03:50
○ 2026-04-24 22:29:44
●A2606:4700:3032::ac43:b0fa2026-02-22 → 2026-04-24 · 3 obs
○ 2017-04-20 15:13:36
● 2026-02-22 05:03:50
● 2026-04-24 22:29:44
●A2606:4700:3034::6815:302b2026-02-22 → 2026-04-24 · 3 obs
○ 2017-04-20 15:13:36
● 2026-02-22 05:03:50
● 2026-04-24 22:29:44
○A67.192.77.2102008-11-29 → 2008-11-29 · 3 obs
● 2008-11-29 18:39:32
○ 2015-08-19 16:59:54
○ 2026-04-24 22:29:44
○CNAMEsem.com2008-11-29 → 2008-11-29 · 3 obs
● 2008-11-29 18:39:32
○ 2015-08-19 16:59:54
○ 2026-04-24 22:29:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
sem.comlloyd.ns.cloudflare.com, ingrid.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.165

NS records: lloyd.ns.cloudflare.com, ingrid.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sem.com (unsigned zone)

⏱️ Timing

Total: 310ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.176.250, 104.21.48.43
AAAA22606:4700:3034::6815:302b, 2606:4700:3032::ac43:b0fa
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (lloyd.ns.cloudflare.com, lloyd.ns.cloudflare.com, lloyd.ns.cloudflare.com...)

Analysis

IP Addresses

www.sem.com resolves to four IP numbers: 2606:4700:3032::ac43:b0fa, 2606:4700:3034::6815:302b, 104.21.48.43 and 172.67.176.250.

other host names for instance katja-minx.com, www.cdnedge.live, smokinjalapeno.net, velvetvinyl.club and www.tchat-en-direct.com share IP numbers with www.sem.com.