grubhub.tw - robtex.com
grubhub.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:cee4🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:16c6🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.22.198Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.206.228🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | danica.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:26bb🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | danica.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2bb🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | danica.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22bb🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | danica.ns.cloudflare.com | ||||||
| A | 108.162.194.187🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | danica.ns.cloudflare.com | ||||||
| A | 162.159.38.187Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | danica.ns.cloudflare.com | ||||||
| A | 172.64.34.187🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | danica.ns.cloudflare.com | ||||||
| NS | merlin.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bcd🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | merlin.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1cd🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | merlin.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21cd🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | merlin.ns.cloudflare.com | ||||||
| A | 108.162.193.205🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | merlin.ns.cloudflare.com | ||||||
| A | 172.64.33.205🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | merlin.ns.cloudflare.com | ||||||
| A | 173.245.59.205🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | merlin.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.22.198, 172.67.206.228 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:cee4, 2606:4700:3037::6815:16c6 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=183, name=cloudflare-ech.com | ||||||
| SOA | danica.ns.cloudflare.comdns@cloudflare.com serial=2399613931 | ||||||
tw
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.tw ⭐ | ||||||
| NS | anytld.apnic.net ⚠️ Not in parent delegation | ||||||
| NS | b.dns.tw | ||||||
| NS | c.dns.tw | ||||||
| NS | d.dns.tw | ||||||
| NS | e.dns.tw | ||||||
| NS | f.dns.tw | ||||||
| NS | g.dns.tw | ||||||
| NS | h.dns.tw | ||||||
| SOA | a.dns.twsnw@twnic.net.tw 2011-01-19 #65 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSdanica.ns.cloudflare.com2026-05-11 → 2026-05-13 · 2 obs
● 2026-05-13 19:45:38
●NSmerlin.ns.cloudflare.com2026-05-11 → 2026-05-13 · 2 obs
● 2026-05-13 19:45:38
●A104.21.22.1982026-05-11 → 2026-05-13 · 2 obs
● 2026-05-13 19:45:38
●A172.67.206.2282026-05-11 → 2026-05-13 · 2 obs
● 2026-05-13 19:45:38
●A2606:4700:3031::ac43:cee42026-05-11 → 2026-05-13 · 2 obs
● 2026-05-13 19:45:38
●A2606:4700:3037::6815:16c62026-05-11 → 2026-05-13 · 2 obs
● 2026-05-13 19:45:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | e.dns.tw, anytld.apnic.net, b.dns.tw, a.dns.tw... | 15 records |
| grubhub.tw | danica.ns.cloudflare.com, merlin.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.205
NS records: danica.ns.cloudflare.com, merlin.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for grubhub.tw (unsigned zone)
⏱️ Timing
Total: 2820ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.206.228, 104.21.22.198 |
| AAAA | 2 | 2606:4700:3037::6815:16c6, 2606:4700:3031::ac43:cee4 |
| NS | 2 | danica.ns.cloudflare.com, merlin.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | danica.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 15
In-bailiwick: 13 (h.dns.tw, g.dns.tw, f.dns.tw...)
Out-of-bailiwick: 2 (anytld.apnic.net, anytld.apnic.net)
Analysis
IP Addresses
grubhub.tw maps to four IP numbers: 2606:4700:3031::ac43:cee4, 2606:4700:3037::6815:16c6, 104.21.22.198 and 172.67.206.228.
Other host names such as announcements-shoppe.com, ppcn.pp.ua, e-legal.co.za, www.usgamex.com and www.intranetworks.com.mx share IPs with grubhub.tw.
Name Servers
Two name servers danica.ns.cloudflare.com and merlin.ns.cloudflare.com handle the delegation for grubhub.tw.
grubhub.tw shares the same name server setup as other domains, for example foreas.com, acfun.tw, macom.com.tr, transmak.com.tr and frangipanic.com.
grubhub.tw at least partially shares name servers with other domains, for example 55000989.com, websterfilms.com, alamet2.com.tr, webveteran.com and shiawasesagashi.com.
these name servers are commonly used with chan.ns.cloudflare.com, sneh.ns.cloudflare.com, kate.ns.cloudflare.com, lila.ns.cloudflare.com, may.ns.cloudflare.com and sima.ns.cloudflare.com.
Host names with six IP numbers:
danica.ns.cloudflare.com points to 2606:4700:50::a29f:26bb, 2803:f800:50::6ca2:c2bb, 2a06:98c1:50::ac40:22bb, 108.162.194.187, 162.159.38.187 and 172.64.34.187.
merlin.ns.cloudflare.com points to 2606:4700:58::adf5:3bcd, 2803:f800:50::6ca2:c1cd, 2a06:98c1:50::ac40:21cd, 108.162.193.205, 172.64.33.205 and 173.245.59.205.