f437.com - dns.ninja

f437.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:affd🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:3817🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.56.23Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.175.253🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdilbert.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b9b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdilbert.ns.cloudflare.com
A2803:f800:50::6ca2:c19b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdilbert.ns.cloudflare.com
A2a06:98c1:50::ac40:219b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdilbert.ns.cloudflare.com
A108.162.193.155🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdilbert.ns.cloudflare.com
A172.64.33.155🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdilbert.ns.cloudflare.com
A173.245.59.155🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdilbert.ns.cloudflare.com
NSharlee.ns.cloudflare.com
A2606:4700:50::a29f:26ee🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRharlee.ns.cloudflare.com
A2803:f800:50::6ca2:c2ee🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRharlee.ns.cloudflare.com
A2a06:98c1:50::ac40:22ee🇺🇸 Cloudflare2a06:98c1:50::/45
PTRharlee.ns.cloudflare.com
A108.162.194.238🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRharlee.ns.cloudflare.com
A162.159.38.238Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRharlee.ns.cloudflare.com
A172.64.34.238🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRharlee.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.56.23, 172.67.175.253
IPv6 hints2606:4700:3030::ac43:affd, 2606:4700:3037::6815:3817
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=238, name=cloudflare-ech.com
SOAdilbert.ns.cloudflare.comdns@cloudflare.com serial=2410129130

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=1784985877

Same first word

f437.com

Similar names

73f4.com
f347.com
374f.com
743f.com
f374.com

DNS History

16 records (6 active, 10 former)

20162017201820192020202120222023202420252026NSdilbert.ns.cloudflare.comharlee.ns.cloudflare.coma.dnspod.comb.dnspod.comc.dnspod.comns1.51dns.comns2.51dns.comMXmx.ym.163.comA104.21.56.23172.67.175.2532606:4700:3030::ac43:affd2606:4700:3037::6815:3817104.128.120.174104.149.89.562606:4700:3031::6815:38172606:4700:3031::ac43:affd
○NSa.dnspod.com2016-09-20 → 2016-09-20 · 4 obs
○ 2016-01-21 09:40:28
● 2016-09-20 01:57:06
○ 2026-03-10 20:42:54
○ 2026-07-25 13:33:06
○NSb.dnspod.com2016-09-20 → 2016-09-20 · 4 obs
○ 2016-01-21 09:40:28
● 2016-09-20 01:57:06
○ 2026-03-10 20:42:54
○ 2026-07-25 13:33:06
○NSc.dnspod.com2016-09-20 → 2016-09-20 · 4 obs
○ 2016-01-21 09:40:28
● 2016-09-20 01:57:06
○ 2026-03-10 20:42:54
○ 2026-07-25 13:33:06
●NSdilbert.ns.cloudflare.com2026-03-10 → 2026-07-25 · 3 obs
○ 2016-09-20 01:57:06
● 2026-03-10 20:42:54
● 2026-07-25 13:33:06
●NSharlee.ns.cloudflare.com2026-03-10 → 2026-07-25 · 3 obs
○ 2016-09-20 01:57:06
● 2026-03-10 20:42:54
● 2026-07-25 13:33:06
○NSns1.51dns.com2015-05-16 → 2016-01-21 · 4 obs
● 2015-05-16 01:03:38
● 2016-01-21 09:40:28
○ 2016-09-20 01:57:06
○ 2026-07-25 13:33:06
○NSns2.51dns.com2015-05-16 → 2015-10-31 · 4 obs
● 2015-05-16 01:03:38
● 2015-10-31 03:54:18
○ 2016-09-20 01:57:06
○ 2026-07-25 13:33:06
○MXmx.ym.163.com2016-09-20 → 2016-09-20 · 3 obs
● 2016-09-20 01:57:06
○ 2026-03-10 20:42:54
○ 2026-07-25 13:33:06
○A104.128.120.1742016-09-20 → 2016-09-20 · 4 obs
○ 2016-01-21 09:40:28
● 2016-09-20 01:57:06
○ 2026-03-10 20:42:54
○ 2026-07-25 13:33:06
○A104.149.89.562015-05-16 → 2016-01-21 · 4 obs
● 2015-05-16 01:03:38
● 2016-01-21 09:40:28
○ 2016-09-20 01:57:06
○ 2026-07-25 13:33:06
●A104.21.56.232026-03-10 → 2026-07-25 · 3 obs
○ 2016-09-20 01:57:06
● 2026-03-10 20:42:54
● 2026-07-25 13:33:06
●A172.67.175.2532026-03-10 → 2026-07-25 · 3 obs
○ 2016-09-20 01:57:06
● 2026-03-10 20:42:54
● 2026-07-25 13:33:06
●A2606:4700:3030::ac43:affd2026-07-09 → 2026-07-25 · 3 obs
○ 2026-05-25 16:25:20
● 2026-07-09 12:46:54
● 2026-07-25 13:33:06
○A2606:4700:3031::6815:38172026-03-10 → 2026-05-25 · 5 obs
○ 2016-09-20 01:57:06
● 2026-03-10 20:42:54
● 2026-05-25 16:25:20
○ 2026-07-09 12:46:54
○ 2026-07-25 13:33:06
○A2606:4700:3031::ac43:affd2026-03-10 → 2026-05-25 · 5 obs
○ 2016-09-20 01:57:06
● 2026-03-10 20:42:54
● 2026-05-25 16:25:20
○ 2026-07-09 12:46:54
○ 2026-07-25 13:33:06
●A2606:4700:3037::6815:38172026-07-09 → 2026-07-25 · 3 obs
○ 2026-05-25 16:25:20
● 2026-07-09 12:46:54
● 2026-07-25 13:33:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
f437.comdilbert.ns.cloudflare.com, harlee.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.155

NS records: dilbert.ns.cloudflare.com, harlee.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for f437.com (unsigned zone)

⏱️ Timing

Total: 1634ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.175.253, 104.21.56.23
AAAA22606:4700:3037::6815:3817, 2606:4700:3030::ac43:affd
NS2dilbert.ns.cloudflare.com, harlee.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dilbert.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

f437.com directs to four IP numbers, which are 104.21.56.23, 172.67.175.253, 2606:4700:3030::ac43:affd and 2606:4700:3037::6815:3817.

filizdoviz.com.tr, www.stresscue.de, www.cqxuanya.com plus two other host names have IP numbers in common with f437.com.

Name Servers

f437.com is served by two delegated name servers, dilbert.ns.cloudflare.com and harlee.ns.cloudflare.com.

The name server configuration of f437.com is shared with other domains, for instance jinsha88088.com, cs3388.com, 218806.com and two others.

There is at least partial name server overlap between f437.com and other domains — legacyevent.org, crystalhoteleritrea.com, aniwatch.fit and two more among them.

These name servers are routinely deployed together with the name servers albert.ns.cloudflare.com.

Hosts with 6 IP addresses each:

dilbert.ns.cloudflare.com carries IP addresses 108.162.193.155, 172.64.33.155 and 173.245.59.155, with 3 other addresses beyond those.

harlee.ns.cloudflare.com carries IP addresses 108.162.194.238, 162.159.38.238 and 172.64.34.238, with 3 other addresses beyond those.