37sd.com - robtex.com

37sd.com

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:d202🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:42f3🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.66.243Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.210.2🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSguss.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bac🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRguss.ns.cloudflare.com
A2803:f800:50::6ca2:c1ac🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRguss.ns.cloudflare.com
A2a06:98c1:50::ac40:21ac🇺🇸 Cloudflare2a06:98c1:50::/45
PTRguss.ns.cloudflare.com
A108.162.193.172🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRguss.ns.cloudflare.com
A172.64.33.172🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRguss.ns.cloudflare.com
A173.245.59.172🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRguss.ns.cloudflare.com
NSmonroe.ns.cloudflare.com
A2606:4700:50::a29f:2699🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmonroe.ns.cloudflare.com
A2803:f800:50::6ca2:c299🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmonroe.ns.cloudflare.com
A2a06:98c1:50::ac40:2299🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmonroe.ns.cloudflare.com
A108.162.194.153🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmonroe.ns.cloudflare.com
A162.159.38.153Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmonroe.ns.cloudflare.com
A172.64.34.153🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmonroe.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.66.243, 172.67.210.2
IPv6 hints2606:4700:3033::ac43:d202, 2606:4700:3034::6815:42f3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=148, name=cloudflare-ech.com
SOAguss.ns.cloudflare.comdns@cloudflare.com serial=2410190207

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1785958489

Subdomains

www.37sd.com

Same first word

37sd.com

Similar names

ds73.xyz
d7s3.com
sd73.bc.ca
sd73.com
sd73.ru
7d3s.com
ds73.ru
sd73.de
sd37.net
sd37.ru
3ds7.com
7ds3.com

DNS History

12 records (6 active, 6 former)

20162017201820192020202120222023202420252026NSguss.ns.cloudflare.commonroe.ns.cloudflare.comns15.xincache.comns16.xincache.comA104.21.66.243172.67.210.22606:4700:3033::ac43:d2022606:4700:3034::6815:42f3188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSguss.ns.cloudflare.com2026-07-08 → 2026-08-05 · 3 obs
○ 2020-03-11 10:25:02
● 2026-07-08 08:37:26
● 2026-08-05 19:48:58
●NSmonroe.ns.cloudflare.com2026-07-08 → 2026-08-05 · 3 obs
○ 2020-03-11 10:25:02
● 2026-07-08 08:37:26
● 2026-08-05 19:48:58
○NSns15.xincache.com2015-07-20 → 2020-03-11 · 4 obs
● 2015-07-20 00:19:10
● 2020-03-11 10:25:02
○ 2026-07-08 08:37:26
○ 2026-08-05 19:48:58
○NSns16.xincache.com2015-07-20 → 2020-03-11 · 4 obs
● 2015-07-20 00:19:10
● 2020-03-11 10:25:02
○ 2026-07-08 08:37:26
○ 2026-08-05 19:48:58
●A104.21.66.2432026-07-08 → 2026-08-05 · 3 obs
● 2026-07-08 08:37:26
○ 2026-07-24 13:19:18
● 2026-08-05 19:48:58
●A172.67.210.22026-07-08 → 2026-08-05 · 3 obs
● 2026-07-08 08:37:26
○ 2026-07-24 13:19:18
● 2026-08-05 19:48:58
○A188.114.96.02026-07-24 → 2026-07-24 · 3 obs
○ 2026-07-08 08:37:26
● 2026-07-24 13:19:18
○ 2026-08-05 19:48:58
○A188.114.97.02026-07-24 → 2026-07-24 · 3 obs
○ 2026-07-08 08:37:26
● 2026-07-24 13:19:18
○ 2026-08-05 19:48:58
●A2606:4700:3033::ac43:d2022026-07-08 → 2026-08-05 · 3 obs
● 2026-07-08 08:37:26
○ 2026-07-24 13:19:18
● 2026-08-05 19:48:58
●A2606:4700:3034::6815:42f32026-07-08 → 2026-08-05 · 3 obs
● 2026-07-08 08:37:26
○ 2026-07-24 13:19:18
● 2026-08-05 19:48:58
○A2a06:98c1:3120::2026-07-24 → 2026-07-24 · 3 obs
○ 2026-07-08 08:37:26
● 2026-07-24 13:19:18
○ 2026-08-05 19:48:58
○A2a06:98c1:3121::2026-07-24 → 2026-07-24 · 3 obs
○ 2026-07-08 08:37:26
● 2026-07-24 13:19:18
○ 2026-08-05 19:48:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
37sd.comguss.ns.cloudflare.com, monroe.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.153

NS records: guss.ns.cloudflare.com, monroe.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 37sd.com (unsigned zone)

⏱️ Timing

Total: 155ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.210.2, 104.21.66.243
AAAA22606:4700:3034::6815:42f3, 2606:4700:3033::ac43:d202
NS2guss.ns.cloudflare.com, monroe.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1guss.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

www.37sd.com is a subdomain of 37sd.com.

IP Addresses

37sd.com directs to four IP numbers, which are 104.21.66.243, 172.67.210.2, 2606:4700:3033::ac43:d202 and 2606:4700:3034::6815:42f3.

Additional host names — eventostic.es, china-nxnk.com, spawn.city and two others — share IP numbers with 37sd.com.

Name Servers

37sd.com has two authoritative name servers — guss.ns.cloudflare.com and monroe.ns.cloudflare.com.

37sd.com shares its name server setup with other domains, including safamarwagt.com, lzgljt.com, tengdamenye.com and two others.

The name servers of 37sd.com overlap at least partially with those of other domains — among them almsoty.com, cdcqf.com, funnyletters.com and two more.

These name servers commonly co-occur with the name servers emerie.ns.cloudflare.com, chad.ns.cloudflare.com, rodrigo.ns.cloudflare.com and ed.ns.cloudflare.com.

Host names with 6 IP numbers:

guss.ns.cloudflare.com points to 108.162.193.172, 172.64.33.172, 173.245.59.172 and 3 other IP addresses.

monroe.ns.cloudflare.com points to 108.162.194.153, 162.159.38.153, 172.64.34.153 and 3 other IP addresses.