backtb.pt - robtex.com
backtb.pt
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::6815:2ccc🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:cbae🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.44.204Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.203.174🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | chad.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b52🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | chad.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c152🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | chad.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2152🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | chad.ns.cloudflare.com | ||||||
| A | 108.162.193.82🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | chad.ns.cloudflare.com | ||||||
| A | 172.64.33.82🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | chad.ns.cloudflare.com | ||||||
| A | 173.245.59.82🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | chad.ns.cloudflare.com | ||||||
| NS | ophelia.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26f8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ophelia.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2f8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | ophelia.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22f8🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | ophelia.ns.cloudflare.com | ||||||
| A | 108.162.194.248🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ophelia.ns.cloudflare.com | ||||||
| A | 162.159.38.248Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ophelia.ns.cloudflare.com | ||||||
| A | 172.64.34.248🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ophelia.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.44.204, 172.67.203.174 | ||||||
| IPv6 hints | 2606:4700:3032::6815:2ccc, 2606:4700:3035::ac43:cbae | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=93, name=cloudflare-ech.com | ||||||
| SOA | chad.ns.cloudflare.comdns@cloudflare.com serial=2400577098 | ||||||
pt
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | curiosity.dns.pt ⭐ | ||||||
| NS | a.dns.pt | ||||||
| NS | b.dns.pt | ||||||
| NS | c.dns.pt | ||||||
| NS | d.dns.pt | ||||||
| NS | e.dns.pt | ||||||
| NS | g.dns.pt | ||||||
| NS | h.dns.pt | ||||||
| NS | ns.dns.br ⚠️ Not in parent delegation | ||||||
| NS | ns2.nic.fr ⚠️ Not in parent delegation | ||||||
| SOA | curiosity.dns.ptrequest@dns.pt 2026-04-24 #10 | ||||||
rank #1763 in the tld
Same first word
backtb.pt |
DNS History
6 records (6 active, 0 former)
●NSchad.ns.cloudflare.com2026-04-20 → 2026-04-24 · 2 obs
● 2026-04-24 04:55:56
●NSophelia.ns.cloudflare.com2026-04-20 → 2026-04-24 · 2 obs
● 2026-04-24 04:55:56
●A104.21.44.2042026-04-20 → 2026-04-24 · 2 obs
● 2026-04-24 04:55:56
●A172.67.203.1742026-04-20 → 2026-04-24 · 2 obs
● 2026-04-24 04:55:56
●A2606:4700:3032::6815:2ccc2026-04-20 → 2026-04-24 · 2 obs
● 2026-04-24 04:55:56
●A2606:4700:3035::ac43:cbae2026-04-20 → 2026-04-24 · 2 obs
● 2026-04-24 04:55:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pt | ns2.nic.fr, g.dns.pt, d.dns.pt, b.dns.pt... | 18 records |
| backtb.pt | ophelia.ns.cloudflare.com, chad.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.82
NS records: ophelia.ns.cloudflare.com, chad.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for backtb.pt (unsigned zone)
⏱️ Timing
Total: 555ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.203.174, 104.21.44.204 |
| AAAA | 2 | 2606:4700:3032::6815:2ccc, 2606:4700:3035::ac43:cbae |
| NS | 2 | chad.ns.cloudflare.com, ophelia.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | chad.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 18
In-bailiwick: 14 (h.dns.pt, g.dns.pt, e.dns.pt...)
Out-of-bailiwick: 4 (ns2.nic.fr, ns.dns.br, ns2.nic.fr...)
Analysis
IP Addresses
Four IP numbers are pointed to by backtb.pt: 2606:4700:3032::6815:2ccc, 2606:4700:3035::ac43:cbae, 104.21.44.204 and 172.67.203.174.
other host names including www.edan.io, psth.pl, empresa-de-mudancas.xyz, rentinswindon.com and www.nakliyekamyonetkiralama.com share IP numbers with backtb.pt.
Name Servers
backtb.pt is delegated to two name servers chad.ns.cloudflare.com and ophelia.ns.cloudflare.com.
backtb.pt shares the same name server setup as other domains, for instance xeedcore.com, zproton.ru, jeetwin-live.net, stonebraepta.com and sarahjanepotts.com.
backtb.pt at least partially shares name servers with other domains, for instance boxi.si, fortishd.com, dragon88.com, boeken.cafe and wusuov.com.
These name servers are commonly used alongside monroe.ns.cloudflare.com and cecelia.ns.cloudflare.com.
Host names with six IP numbers:
Host name chad.ns.cloudflare.com points to: 2606:4700:58::adf5:3b52, 2803:f800:50::6ca2:c152, 2a06:98c1:50::ac40:2152, 108.162.193.82, 172.64.33.82 and 173.245.59.82.
Host name ophelia.ns.cloudflare.com points to: 2606:4700:50::a29f:26f8, 2803:f800:50::6ca2:c2f8, 2a06:98c1:50::ac40:22f8, 108.162.194.248, 162.159.38.248 and 172.64.34.248.