638tt.com - robtex.com
638tt.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:df4d🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:56b2🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.86.178Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.223.77🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | joan.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3aad🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | joan.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0ad🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | joan.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20ad🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | joan.ns.cloudflare.com | ||||||
| A | 108.162.192.173🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | joan.ns.cloudflare.com | ||||||
| A | 172.64.32.173🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | joan.ns.cloudflare.com | ||||||
| A | 173.245.58.173🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | joan.ns.cloudflare.com | ||||||
| NS | khalid.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c35🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | khalid.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c335🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | khalid.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2335🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | khalid.ns.cloudflare.com | ||||||
| A | 108.162.195.53🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | khalid.ns.cloudflare.com | ||||||
| A | 162.159.44.53Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | khalid.ns.cloudflare.com | ||||||
| A | 172.64.35.53🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | khalid.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.86.178, 172.67.223.77 | ||||||
| IPv6 | 2606:4700:3032::ac43:df4d, 2606:4700:3037::6815:56b2 | ||||||
| SOA | joan.ns.cloudflare.comdns@cloudflare.com serial=2398533506 | ||||||
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=1771291435 | ||||||
Same first word
638tt.com |
Similar names
DNS History
8 records (6 active, 2 former)
○NSa.ezdnscenter.com2017-11-07 → 2017-11-07 · 3 obs
○ 2026-03-19 19:42:22
○ 2026-03-22 23:55:16
●NSjoan.ns.cloudflare.com2026-03-19 → 2026-03-22 · 3 obs
● 2026-03-19 19:42:22
● 2026-03-22 23:55:16
●NSkhalid.ns.cloudflare.com2026-03-19 → 2026-03-22 · 3 obs
● 2026-03-19 19:42:22
● 2026-03-22 23:55:16
●A104.21.86.1782026-03-19 → 2026-03-22 · 3 obs
● 2026-03-19 19:42:22
● 2026-03-22 23:55:16
○A118.193.244.862017-11-07 → 2017-11-07 · 3 obs
○ 2026-03-19 19:42:22
○ 2026-03-22 23:55:16
●A172.67.223.772026-03-19 → 2026-03-22 · 3 obs
● 2026-03-19 19:42:22
● 2026-03-22 23:55:16
●A2606:4700:3032::ac43:df4d2026-03-19 → 2026-03-22 · 3 obs
● 2026-03-19 19:42:22
● 2026-03-22 23:55:16
●A2606:4700:3037::6815:56b22026-03-19 → 2026-03-22 · 3 obs
● 2026-03-19 19:42:22
● 2026-03-22 23:55:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 638tt.com | joan.ns.cloudflare.com, khalid.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.173
NS records: joan.ns.cloudflare.com, khalid.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 638tt.com (unsigned zone)
⏱️ Timing
Total: 123ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.86.178, 172.67.223.77 |
| AAAA | 2 | 2606:4700:3032::ac43:df4d, 2606:4700:3037::6815:56b2 |
| NS | 2 | joan.ns.cloudflare.com, khalid.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | joan.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (joan.ns.cloudflare.com, joan.ns.cloudflare.com, joan.ns.cloudflare.com...)
Analysis
IP Addresses
638tt.com refers to four IP numbers: 2606:4700:3032::ac43:df4d, 2606:4700:3037::6815:56b2, 104.21.86.178 and 172.67.223.77.
Other host names, for instance bnpd.net, townofhounsfield.gov, www.njfmmy.com, angpu.org and njfmmy.com share IP numbers with 638tt.com.
Name Servers
638tt.com's delegation uses two name servers: joan.ns.cloudflare.com and khalid.ns.cloudflare.com.
638tt.com uses the same name server setup as other domains, such as ejiaogang.com, dunbasi.com, baisela.com, lemaxi.com and aiaipo.com.
638tt.com at least partially shares name servers with other domains, including cyn.co.th, highlyelec.com.tw, narfire.org.uk, pcom.ph and espengregerhagen.com.
These name servers are commonly used with hattie.ns.cloudflare.com, kai.ns.cloudflare.com and magnolia.ns.cloudflare.com.
Host names with six IP numbers:
joan.ns.cloudflare.com points to 2606:4700:50::adf5:3aad, 2803:f800:50::6ca2:c0ad, 2a06:98c1:50::ac40:20ad, 108.162.192.173, 172.64.32.173 and 173.245.58.173.
khalid.ns.cloudflare.com points to 2606:4700:58::a29f:2c35, 2803:f800:50::6ca2:c335, 2a06:98c1:50::ac40:2335, 108.162.195.53, 162.159.44.53 and 172.64.35.53.