jacobcup.pl - robtex.com
jacobcup.pl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:271🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3034::ac43:811f🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.2.113Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.129.31🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | andy.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b65🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | andy.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c165🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | andy.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2165🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | andy.ns.cloudflare.com | ||||||
| A | 108.162.193.101🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | andy.ns.cloudflare.com | ||||||
| A | 172.64.33.101🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | andy.ns.cloudflare.com | ||||||
| A | 173.245.59.101🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | andy.ns.cloudflare.com | ||||||
| NS | diana.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:2617🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | diana.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c217🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | diana.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2217🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | diana.ns.cloudflare.com | ||||||
| A | 108.162.194.23🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | diana.ns.cloudflare.com | ||||||
| A | 162.159.38.23Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | diana.ns.cloudflare.com | ||||||
| A | 172.64.34.23🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | diana.ns.cloudflare.com | ||||||
| TXT | google-site-verification=AjAHsJKZRY8Fi3eokr8z47YlOnFinfCILRmLHEgjQ4Q | ||||||
| TXT | v=spf1 include:_spf.arrmy.gg ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.2.113, 172.67.129.31 | ||||||
| IPv6 hints | 2606:4700:3031::6815:271, 2606:4700:3034::ac43:811f | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=193, name=cloudflare-ech.com | ||||||
| SOA | andy.ns.cloudflare.comdns@cloudflare.com serial=2409509872 | ||||||
pl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a-dns.pl ⭐ | ||||||
| NS | b-dns.pl | ||||||
| NS | d-dns.pl | ||||||
| NS | f-dns.pl | ||||||
| NS | h-dns.pl | ||||||
| NS | j-dns.pl | ||||||
| TXT | ccTLD of Poland | ||||||
| SOA | a-dns.pldnsmaster@nask.pl serial=1784701843 | ||||||
Same first word
jacobcup.pl |
DNS History
12 records (6 active, 6 former)
●NSandy.ns.cloudflare.com2026-02-19 → 2026-07-22 · 2 obs
● 2026-07-22 08:21:32
●NSdiana.ns.cloudflare.com2026-02-19 → 2026-07-22 · 2 obs
● 2026-07-22 08:21:32
●A104.21.2.1132026-02-19 → 2026-07-22 · 7 obs
● 2026-03-03 12:16:40
○ 2026-03-11 14:49:02
● 2026-04-24 16:59:34
● 2026-06-10 07:23:04
○ 2026-06-23 05:26:12
● 2026-07-22 08:21:32
●A172.67.129.312026-02-19 → 2026-07-22 · 7 obs
● 2026-03-03 12:16:40
○ 2026-03-11 14:49:02
● 2026-04-24 16:59:34
● 2026-06-10 07:23:04
○ 2026-06-23 05:26:12
● 2026-07-22 08:21:32
○A188.114.96.02026-03-11 → 2026-03-11 · 4 obs
● 2026-03-11 14:49:02
○ 2026-04-24 16:59:34
○ 2026-07-22 08:21:32
○A188.114.97.02026-03-11 → 2026-03-11 · 4 obs
● 2026-03-11 14:49:02
○ 2026-04-24 16:59:34
○ 2026-07-22 08:21:32
○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-03 → 2026-03-03 · 4 obs
● 2026-03-03 00:12:16
○ 2026-03-03 12:16:40
○ 2026-07-22 08:21:32
●A2606:4700:3031::6815:2712026-07-22 → 2026-07-22 · 2 obs
● 2026-07-22 08:21:32
●A2606:4700:3034::ac43:811f2026-02-19 → 2026-07-22 · 9 obs
● 2026-02-28 08:03:48
○ 2026-03-03 00:12:16
● 2026-03-03 12:16:40
○ 2026-03-11 14:49:02
● 2026-04-24 16:59:34
● 2026-06-10 07:23:04
○ 2026-06-23 05:26:12
● 2026-07-22 08:21:32
○A2606:4700:3036::6815:2712026-02-19 → 2026-06-10 · 9 obs
● 2026-02-28 08:03:48
○ 2026-03-03 00:12:16
● 2026-03-03 12:16:40
○ 2026-03-11 14:49:02
● 2026-04-24 16:59:34
● 2026-06-10 07:23:04
○ 2026-06-23 05:26:12
○ 2026-07-22 08:21:32
○A2a06:98c1:3120::2026-03-11 → 2026-03-11 · 4 obs
● 2026-03-11 14:49:02
○ 2026-04-24 16:59:34
○ 2026-07-22 08:21:32
○A2a06:98c1:3121::2026-03-11 → 2026-03-11 · 4 obs
● 2026-03-11 14:49:02
○ 2026-04-24 16:59:34
○ 2026-07-22 08:21:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pl | h-dns.pl, f-dns.pl, a-dns.pl, d-dns.pl... | - |
| jacobcup.pl | diana.ns.cloudflare.com, andy.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.101
NS records: diana.ns.cloudflare.com, andy.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jacobcup.pl (unsigned zone)
⏱️ Timing
Total: 534ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.2.113, 172.67.129.31 |
| AAAA | 2 | 2606:4700:3034::ac43:811f, 2606:4700:3031::6815:271 |
| NS | 2 | andy.ns.cloudflare.com, diana.ns.cloudflare.com |
| TXT | 2 | google-site-verification=AjAHsJKZRY8Fi3e, v=spf1 include:_spf.arrmy.gg ~all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | andy.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
jacobcup.pl points to the four IP addresses 104.21.2.113, 172.67.129.31, 2606:4700:3031::6815:271 and 2606:4700:3034::ac43:811f.
slipform.com.cn, vilaggazdasag.hu, 9g.lt plus two other host names have IP numbers in common with jacobcup.pl.
Name Servers
jacobcup.pl uses two name servers for its delegation: andy.ns.cloudflare.com and diana.ns.cloudflare.com.
The name server configuration of jacobcup.pl is shared with other domains, for instance shopkin.eu, bso.ee, scarlet-thorn.com and two others.
The name servers of jacobcup.pl overlap at least partially with those of other domains — among them pivotred.tv, lai015.com, gxmay.com and two more.
These name servers commonly co-occur with the name servers plato.ns.cloudflare.com, rohin.ns.cloudflare.com, zariyah.ns.cloudflare.com and amanda.ns.cloudflare.com.
Hosts with 6 IP addresses each:
Hostname andy.ns.cloudflare.com directs to 108.162.193.101, 172.64.33.101 and 173.245.59.101 along with 3 other IP addresses.
Hostname diana.ns.cloudflare.com directs to 108.162.194.23, 162.159.38.23 and 172.64.34.23 along with 3 other IP addresses.