639u.com - robtex.com

639u.com

DNSSEC⚠️ Not signed
A2606:4700:3036::6815:290🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:814d🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.2.144Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.129.77🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScameron.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c6b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcameron.ns.cloudflare.com
A2803:f800:50::6ca2:c36b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcameron.ns.cloudflare.com
A2a06:98c1:50::ac40:236b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcameron.ns.cloudflare.com
A108.162.195.107🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcameron.ns.cloudflare.com
A162.159.44.107Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcameron.ns.cloudflare.com
A172.64.35.107🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcameron.ns.cloudflare.com
NSrobin.ns.cloudflare.com
A2606:4700:50::adf5:3ada🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrobin.ns.cloudflare.com
A2803:f800:50::6ca2:c0da🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrobin.ns.cloudflare.com
A2a06:98c1:50::ac40:20da🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrobin.ns.cloudflare.com
A108.162.192.218🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrobin.ns.cloudflare.com
A172.64.32.218🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrobin.ns.cloudflare.com
A173.245.58.218🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrobin.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.2.144, 172.67.129.77
IPv6 hints2606:4700:3036::6815:290, 2606:4700:3036::ac43:814d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=101, name=cloudflare-ech.com
SOAcameron.ns.cloudflare.comdns@cloudflare.com serial=2402706171

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=1777255871

Subdomains

www.639u.com

Same first word

639u.com

Similar names

36u9.cc
u369.cc
936u.com
u369.tw
u396.cn
u963.com
369u.cc
u369.com
39u6.click
69u3.com
u639.cn
u693.com

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NScameron.ns.cloudflare.comrobin.ns.cloudflare.comf1g1ns1.dnspod.netf1g1ns2.dnspod.netns1.dns.comns2.dns.comA104.21.2.144172.67.129.772606:4700:3036::6815:2902606:4700:3036::ac43:814d104.143.47.10
●NScameron.ns.cloudflare.com2026-04-14 → 2026-04-27 · 3 obs
○ 2018-07-05 02:33:34
● 2026-04-14 10:29:16
● 2026-04-27 02:30:22
○NSf1g1ns1.dnspod.net2015-07-18 → 2016-04-28 · 4 obs
● 2015-07-18 06:45:54
● 2016-04-28 22:22:10
○ 2018-07-05 02:33:34
○ 2026-04-27 02:30:22
○NSf1g1ns2.dnspod.net2015-07-18 → 2016-04-28 · 4 obs
● 2015-07-18 06:45:54
● 2016-04-28 22:22:10
○ 2018-07-05 02:33:34
○ 2026-04-27 02:30:22
○NSns1.dns.com2018-07-05 → 2018-07-05 · 4 obs
○ 2016-04-28 22:22:10
● 2018-07-05 02:33:34
○ 2026-04-14 10:29:16
○ 2026-04-27 02:30:22
○NSns2.dns.com2018-07-05 → 2018-07-05 · 4 obs
○ 2016-04-28 22:22:10
● 2018-07-05 02:33:34
○ 2026-04-14 10:29:16
○ 2026-04-27 02:30:22
●NSrobin.ns.cloudflare.com2026-04-14 → 2026-04-27 · 3 obs
○ 2018-07-05 02:33:34
● 2026-04-14 10:29:16
● 2026-04-27 02:30:22
○A104.143.47.102015-07-18 → 2016-04-28 · 4 obs
● 2015-07-18 06:45:54
● 2016-04-28 22:22:10
○ 2018-07-05 02:33:34
○ 2026-04-27 02:30:22
●A104.21.2.1442026-04-14 → 2026-04-27 · 3 obs
○ 2018-07-05 02:33:34
● 2026-04-14 10:29:16
● 2026-04-27 02:30:22
●A172.67.129.772026-04-14 → 2026-04-27 · 3 obs
○ 2018-07-05 02:33:34
● 2026-04-14 10:29:16
● 2026-04-27 02:30:22
●A2606:4700:3036::6815:2902026-04-14 → 2026-04-27 · 3 obs
○ 2018-07-05 02:33:34
● 2026-04-14 10:29:16
● 2026-04-27 02:30:22
●A2606:4700:3036::ac43:814d2026-04-14 → 2026-04-27 · 3 obs
○ 2018-07-05 02:33:34
● 2026-04-14 10:29:16
● 2026-04-27 02:30:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, j.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net...-
639u.comrobin.ns.cloudflare.com, cameron.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.107

NS records: robin.ns.cloudflare.com, cameron.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 639u.com (unsigned zone)

⏱️ Timing

Total: 111ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.129.77, 104.21.2.144
AAAA22606:4700:3036::ac43:814d, 2606:4700:3036::6815:290
NS2cameron.ns.cloudflare.com, robin.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1cameron.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

639u.com is the parent of www.639u.com.

IP Addresses

639u.com points to four IP numbers: 2606:4700:3036::6815:290, 2606:4700:3036::ac43:814d, 104.21.2.144 and 172.67.129.77.

For instance, other host names thrusong.com, vividposts.us, forseabeck.org.cdn.cloudflare.net, printinghost.com and yinglianair.com share IP numbers with 639u.com.

Name Servers

639u.com is delegated to two name servers: cameron.ns.cloudflare.com and robin.ns.cloudflare.com.

639u.com uses the same name server setup as other domains such as onelastlab.com, 243e.com, 664w.top, d607.com and 103j.com.

639u.com shares name servers with other domains at least partially, for example internal-nivthor-meta-glentron-archive.pages.dev, womfz.cfd, yx5628.com, plaphaplaxutq.pro and fonbet.com.cy.

These name servers are commonly used with addilyn.ns.cloudflare.com, ara.ns.cloudflare.com and sofia.ns.cloudflare.com.

Host names with six IP numbers: host name cameron.ns.cloudflare.com points to: 2606:4700:58::a29f:2c6b, 2803:f800:50::6ca2:c36b, 2a06:98c1:50::ac40:236b, 108.162.195.107, 162.159.44.107 and 172.64.35.107; host name robin.ns.cloudflare.com points to: 2606:4700:50::adf5:3ada, 2803:f800:50::6ca2:c0da, 2a06:98c1:50::ac40:20da, 108.162.192.218, 172.64.32.218 and 173.245.58.218.