serene-teach.com - robtex.com
serene-teach.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::6815:1639🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::ac43:caf9🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.22.57Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.202.249🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | duke.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b6e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | duke.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c16e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | duke.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:216e🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | duke.ns.cloudflare.com | ||||||
| A | 108.162.193.110🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | duke.ns.cloudflare.com | ||||||
| A | 172.64.33.110🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | duke.ns.cloudflare.com | ||||||
| A | 173.245.59.110🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | duke.ns.cloudflare.com | ||||||
| NS | kristina.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:267d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kristina.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c27d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | kristina.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:227d🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | kristina.ns.cloudflare.com | ||||||
| A | 108.162.194.125🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kristina.ns.cloudflare.com | ||||||
| A | 162.159.38.125Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kristina.ns.cloudflare.com | ||||||
| A | 172.64.34.125🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kristina.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.22.57, 172.67.202.249 | ||||||
| IPv6 hints | 2606:4700:3032::6815:1639, 2606:4700:3033::ac43:caf9 | ||||||
| SOA | duke.ns.cloudflare.comdns@cloudflare.com serial=2403689761 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778299726 | ||||||
Same first word
serene-teach.com |
Similar names
DNS History
6 records (6 active, 0 former)
●NSduke.ns.cloudflare.com2026-04-22 → 2026-05-09 · 2 obs
● 2026-05-09 04:16:16
●NSkristina.ns.cloudflare.com2026-04-22 → 2026-05-09 · 2 obs
● 2026-05-09 04:16:16
●A104.21.22.572026-04-22 → 2026-05-09 · 2 obs
● 2026-05-09 04:16:16
●A172.67.202.2492026-04-22 → 2026-05-09 · 2 obs
● 2026-05-09 04:16:16
●A2606:4700:3032::6815:16392026-04-22 → 2026-05-09 · 2 obs
● 2026-05-09 04:16:16
●A2606:4700:3033::ac43:caf92026-04-22 → 2026-05-09 · 2 obs
● 2026-05-09 04:16:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net... | - |
| serene-teach.com | duke.ns.cloudflare.com, kristina.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.110
NS records: duke.ns.cloudflare.com, kristina.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for serene-teach.com (unsigned zone)
⏱️ Timing
Total: 310ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.22.57, 172.67.202.249 |
| AAAA | 2 | 2606:4700:3032::6815:1639, 2606:4700:3033::ac43:caf9 |
| NS | 2 | duke.ns.cloudflare.com, kristina.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | duke.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (duke.ns.cloudflare.com, duke.ns.cloudflare.com, duke.ns.cloudflare.com...)
Analysis
IP Addresses
serene-teach.com maps to four IP numbers: 2606:4700:3032::6815:1639, 2606:4700:3033::ac43:caf9, 104.21.22.57 and 172.67.202.249.
other host names include www.gorgona.io, ns12.arsgroupco.com, www.ecoplast.it.cdn.cloudflare.net, myone-number.com and mailserver.gremco.com; they share IP numbers with serene-teach.com.
Name Servers
Two name servers duke.ns.cloudflare.com and kristina.ns.cloudflare.com handle the delegation for serene-teach.com.
serene-teach.com shares the same name server setup as other domains, for instance brewtendo.cc, chase-home.net, scientific-eg.com, leedsgrandtheatre.com and dreamdot.net.
serene-teach.com at least partially shares name servers with other domains, for instance greeningschools.org, sequoia-vertigo.com, vfair.ru, bunda.lt and mijoautogas.co.in.
These name servers are commonly used with elias.ns.cloudflare.com and martha.ns.cloudflare.com.
Six IP addresses per host:
duke.ns.cloudflare.com points to 2606:4700:58::adf5:3b6e, 2803:f800:50::6ca2:c16e, 2a06:98c1:50::ac40:216e, 108.162.193.110, 172.64.33.110 and 173.245.59.110; kristina.ns.cloudflare.com points to 2606:4700:50::a29f:267d, 2803:f800:50::6ca2:c27d, 2a06:98c1:50::ac40:227d, 108.162.194.125, 162.159.38.125 and 172.64.34.125