sergiofernandez.co - robtex.com

sergiofernandez.co

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:59f4🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:a62b🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.89.244Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.166.43🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmustafa.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c1b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmustafa.ns.cloudflare.com
A2803:f800:50::6ca2:c31b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmustafa.ns.cloudflare.com
A2a06:98c1:50::ac40:231b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmustafa.ns.cloudflare.com
A108.162.195.27🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmustafa.ns.cloudflare.com
A162.159.44.27Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmustafa.ns.cloudflare.com
A172.64.35.27🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmustafa.ns.cloudflare.com
NStegan.ns.cloudflare.com
A2606:4700:50::adf5:3ae2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtegan.ns.cloudflare.com
A2803:f800:50::6ca2:c0e2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRtegan.ns.cloudflare.com
A2a06:98c1:50::ac40:20e2🇺🇸 Cloudflare2a06:98c1:50::/45
PTRtegan.ns.cloudflare.com
A108.162.192.226🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtegan.ns.cloudflare.com
A172.64.32.226🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtegan.ns.cloudflare.com
A173.245.58.226🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtegan.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.89.244, 172.67.166.43
IPv6 hints2606:4700:3031::6815:59f4, 2606:4700:3035::ac43:a62b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=155, name=cloudflare-ech.com
SOAmustafa.ns.cloudflare.comdns@cloudflare.com serial=2407845902

co

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net ⭐
NSa.registrydns.co
NSb.registrydns.co
NSc.registrydns.co
NSd.registrydns.co
SOAns0.centralnic.nethostmaster@centralnic.net serial=1759702685

Same first word

sergiofernandez.co
sergiofernandez.org

DNS History

12 records (6 active, 6 former)

20192020202120222023202420252026NSmustafa.ns.cloudflare.comtegan.ns.cloudflare.comns1.dreamhost.comns2.dreamhost.comns3.dreamhost.comMXvade-in1.mail.dreamhost.comvade-in2.mail.dreamhost.comA104.21.89.244172.67.166.432606:4700:3031::6815:59f42606:4700:3035::ac43:a62b64.90.57.18
●NSmustafa.ns.cloudflare.com2026-07-02 → 2026-07-11 · 3 obs
○ 2018-10-08 17:04:10
● 2026-07-02 00:10:54
● 2026-07-11 06:52:14
○NSns1.dreamhost.com2018-10-08 → 2018-10-08 · 3 obs
● 2018-10-08 17:04:10
○ 2026-07-02 00:10:54
○ 2026-07-11 06:52:14
○NSns2.dreamhost.com2018-10-08 → 2018-10-08 · 3 obs
● 2018-10-08 17:04:10
○ 2026-07-02 00:10:54
○ 2026-07-11 06:52:14
○NSns3.dreamhost.com2018-10-08 → 2018-10-08 · 3 obs
● 2018-10-08 17:04:10
○ 2026-07-02 00:10:54
○ 2026-07-11 06:52:14
●NStegan.ns.cloudflare.com2026-07-02 → 2026-07-11 · 3 obs
○ 2018-10-08 17:04:10
● 2026-07-02 00:10:54
● 2026-07-11 06:52:14
○MXvade-in1.mail.dreamhost.com2018-10-08 → 2018-10-08 · 3 obs
● 2018-10-08 17:04:10
○ 2026-07-02 00:10:54
○ 2026-07-11 06:52:14
○MXvade-in2.mail.dreamhost.com2018-10-08 → 2018-10-08 · 3 obs
● 2018-10-08 17:04:10
○ 2026-07-02 00:10:54
○ 2026-07-11 06:52:14
●A104.21.89.2442026-07-02 → 2026-07-11 · 3 obs
○ 2018-10-08 17:04:10
● 2026-07-02 00:10:54
● 2026-07-11 06:52:14
●A172.67.166.432026-07-02 → 2026-07-11 · 3 obs
○ 2018-10-08 17:04:10
● 2026-07-02 00:10:54
● 2026-07-11 06:52:14
●A2606:4700:3031::6815:59f42026-07-02 → 2026-07-11 · 3 obs
○ 2018-10-08 17:04:10
● 2026-07-02 00:10:54
● 2026-07-11 06:52:14
●A2606:4700:3035::ac43:a62b2026-07-02 → 2026-07-11 · 3 obs
○ 2018-10-08 17:04:10
● 2026-07-02 00:10:54
● 2026-07-11 06:52:14
○A64.90.57.182018-10-08 → 2018-10-08 · 3 obs
● 2018-10-08 17:04:10
○ 2026-07-02 00:10:54
○ 2026-07-11 06:52:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coc.registrydns.co, b.registrydns.co, d.registrydns.co, a.registrydns.co-
sergiofernandez.comustafa.ns.cloudflare.com, tegan.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.27

NS records: mustafa.ns.cloudflare.com, tegan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sergiofernandez.co (unsigned zone)

⏱️ Timing

Total: 413ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.166.43, 104.21.89.244
AAAA22606:4700:3035::ac43:a62b, 2606:4700:3031::6815:59f4
NS2mustafa.ns.cloudflare.com, tegan.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1mustafa.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

sergiofernandez.co resolves to four IP addresses: 104.21.89.244, 172.67.166.43, 2606:4700:3031::6815:59f4 and 2606:4700:3035::ac43:a62b.

Two other host names, along with diplomt-nsk.ru, coyotefenceco.com and gi.wikibudaya.cc, also share IP numbers with sergiofernandez.co.

Name Servers

sergiofernandez.co is delegated to two name servers: mustafa.ns.cloudflare.com and tegan.ns.cloudflare.com.

sergiofernandez.co shares its NS records with other domains, for example link188v.com, himalayanbistro.in, 23wingn.com and two others.

sergiofernandez.co partially shares its NS delegation with several other domains, including mspradio.com, moonray.net, casinocity.com.ve and two others.

These name servers often co-occur with the name servers elaine.ns.cloudflare.com.

DNS names with 6 IP addresses:

mustafa.ns.cloudflare.com resolves to 108.162.195.27, 162.159.44.27, 172.64.35.27 and 3 other IP addresses.

tegan.ns.cloudflare.com resolves to 108.162.192.226, 172.64.32.226, 173.245.58.226 and 3 other IP addresses.