ptufdc.com - robtex.com
ptufdc.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::ac43:dc88🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:18cd🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.24.205Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.220.136🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | annabel.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:26cf🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | annabel.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2cf🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | annabel.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22cf🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | annabel.ns.cloudflare.com | ||||||
| A | 108.162.194.207🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | annabel.ns.cloudflare.com | ||||||
| A | 162.159.38.207Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | annabel.ns.cloudflare.com | ||||||
| A | 172.64.34.207🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | annabel.ns.cloudflare.com | ||||||
| NS | otto.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c87🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | otto.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c387🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | otto.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2387🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | otto.ns.cloudflare.com | ||||||
| A | 108.162.195.135🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | otto.ns.cloudflare.com | ||||||
| A | 162.159.44.135Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | otto.ns.cloudflare.com | ||||||
| A | 172.64.35.135🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | otto.ns.cloudflare.com | ||||||
| MX | m1.feishu.cn ⭐ | ||||||
| TXT | v=spf1 +include:_netblocks.m.feishu.cn ~all | ||||||
| TXT | verification-code-site-App_feishu=XCRfPZxFTcdu5FJOj0IO | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.24.205, 172.67.220.136 | ||||||
| IPv6 | 2606:4700:3033::ac43:dc88, 2606:4700:3035::6815:18cd | ||||||
| SOA | annabel.ns.cloudflare.comdns@cloudflare.com serial=2399430934 | ||||||
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=1774491397 | ||||||
Same first word
ptufdc.com |
Similar names
DNS History
7 records (7 active, 0 former)
●NSannabel.ns.cloudflare.com2026-02-25 → 2026-03-26 · 2 obs
● 2026-03-26 02:43:24
●NSotto.ns.cloudflare.com2026-02-25 → 2026-03-26 · 2 obs
● 2026-03-26 02:43:24
●A104.21.24.2052026-02-25 → 2026-03-26 · 2 obs
● 2026-03-26 02:43:24
●A172.67.220.1362026-02-25 → 2026-03-26 · 2 obs
● 2026-03-26 02:43:24
●A2606:4700:3033::ac43:dc882026-02-25 → 2026-03-26 · 2 obs
● 2026-03-26 02:43:24
●A2606:4700:3035::6815:18cd2026-02-25 → 2026-03-26 · 2 obs
● 2026-03-26 02:43:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net... | - |
| ptufdc.com | annabel.ns.cloudflare.com, otto.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.195.135
NS records: annabel.ns.cloudflare.com, otto.ns.cloudflare.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 164ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.220.136, 104.21.24.205 |
| AAAA | 2 | 2606:4700:3033::ac43:dc88, 2606:4700:3035::6815:18cd |
| NS | 2 | annabel.ns.cloudflare.com, otto.ns.cloudflare.com |
| MX | 1 | m1.feishu.cn (pri: 19) |
| TXT | 2 | v=spf1 +include:_netblocks.m.feishu.cn , verification-code-site-App_feishu=XCRfPZ |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | annabel.ns.cloudflare.com dns.cloudflare |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (annabel.ns.cloudflare.com, annabel.ns.cloudflare.com, annabel.ns.cloudflare.com...)
Analysis
IP Addresses
ptufdc.com maps to four IP numbers: 2606:4700:3033::ac43:dc88, 2606:4700:3035::6815:18cd, 104.21.24.205 and 172.67.220.136.
Other host names, for instance lyzwjf64.com, wcbet.com, ultimatechat.shop, leonhardt.de and cdnbrtk.xyz share IP numbers with ptufdc.com.
Name Servers
Two name servers annabel.ns.cloudflare.com and otto.ns.cloudflare.com handle delegation for ptufdc.com.
ptufdc.com uses the same name server setup as other domains, for example yule8888.com, hollywoodsnap.com, cashbackpe.com, ttrmongolia.com and mariostowing.com.
ptufdc.com partially shares name servers with other domains; examples include neareasthospital.com, umassindiapharm.com, theblackgirls.club, vattanacbank.com and nlxzy.com.
These name servers are often used with the name servers lilyana.ns.cloudflare.com and kehlani.ns.cloudflare.com.
Host names with six IP numbers: annabel.ns.cloudflare.com points to: 2606:4700:50::a29f:26cf, 2803:f800:50::6ca2:c2cf, 2a06:98c1:50::ac40:22cf, 108.162.194.207, 162.159.38.207 and 172.64.34.207; otto.ns.cloudflare.com points to: 2606:4700:58::a29f:2c87, 2803:f800:50::6ca2:c387, 2a06:98c1:50::ac40:2387, 108.162.195.135, 162.159.44.135 and 172.64.35.135.
Mail Servers
ptufdc.com is handled by a single mail server, m1.feishu.cn.
ptufdc.com has the same mail server setup as other domains, including dpoit.com, cpmy.com, mintion.net, koxir.com and isonotek.com.
ptufdc.com shares some mail servers with other domains, at least partially, such as ipcah.com, menglechong.com, fcstar.net, perfcloud.cn and epictopia.com.
These mail servers are often used together with mx2.feishu.cn and mx3.feishu.cn.